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  • 1
    ISSN: 1432-2307
    Keywords: Keywords Monoclonal antibody ; Lymphoma ; Myeloma ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  A new monoclonal antibody, Wue-1, which specifically recognizes normal and malignant plasma cells, is characterized. Biochemical studies showed that monoclonal antibodies (mAbs) recognize a protein of 94 kDa. Using triple-staining flow cytometry and double-labeling immunohistochemical techniques, two populations of plasma cells, i.e. lymphoplasmocytoid plasma cells located in the germinal center of lymphoid organs and reticular plasma cells at the paracortex or medullary cords of secondary lymphoid tissues, were distinguished. Wue-1 is expressed when B-cell markers become lost and secretory activity with plasma cell morphology appears. Cell surface markers were identified on normal plasma cells and compared with their malignant counterpart in vivo. Terminal plasma–cellular differentiation of malignant low- and high-grade B-cell lymphoma and anaplastic plasmacytoma, otherwise difficult to identify with conventional B-cell markers on tissue sections or fluorescence-activated cell sorter analyses, were detectable by Wue-1. In cell culture, Wue-1 enhanced the proliferation of myeloma cell lines but not normal plasma cells in a dose-dependent manner. Since Wue-1-induced proliferation was increased by interleukin (IL)-6, Wue-1 recognizes a so far unidentified antigen with functional properties. Therefore, Wue-1 represents a useful new tool for therapy and for the in vivo and in vitro studying of B-cell lymphomas and the mechanisms of B-cell differentiation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Der Schmerz 14 (2000), S. 340-345 
    ISSN: 1432-2129
    Keywords: Schlüsselwörter Akut ; Behandlungsmodell ; Chronisch ; Langzeitbetreuung ; Muskuloskelettaler Schmerz ; Rheuma ; Schmerzverstärkung ; Therapie ; Keywords Acute ; Chronic ; Long-term therapy ; Musculosceletal pain ; Pain enhancement ; Rheumatic disease ; Therapy ; Treatment model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Background. In paediatrics, numerous diseases present with the leading symptome of muscular, articular, or bone-related pain. The pain as such is seldom diagnostic with regard to pain etiology. Regularly, the significance of inflammatory as well as non-inflammatory pain is underestimated. Classification of musculosceletal diseases. We present 4 case reports, illustrating the classification of musculosceletal diseases into 4 main groups, being the basis for the modelling of disease, and pain treatment. Therapy. Pain therapy is either symptomatic or based on specific pathophysiology. Pain therapy consists of the moduls analgesics, antiphlogistics, physiotherapy, psychosocial support, and complementary therapies. We give advice on differential therapy. A transparent team-oriented concept comprising physicians, physiotherapists, ergotherapists, psychologists, and social workers is the basis for any successful long-term therapy. Regular outpatient visits in consent with the family doctor are mandatory as are education and treatment periods on ward. We encourage our patients to join formal self-supportive patient groups.
    Notes: Zusammenfassung Hintergrund. Eine Vielfalt an Grunderkrankungen präsentiert sich im Kindesalter mit Schmerzen des Bewegungsapparats als Leit- oder Begleitsymptom. Die Schmerzäußerung allein lässt nur selten eine sichere ätiologische Differenzierung zu. Entzündliche sowie nichtentzündliche muskuloskelettale Beschwerden werden regelmäßig in ihrer Bedeutung unterschätzt. Hauptgruppen muskuloskelettaler Erkrankungen. Anhand von Fallbeispielen unterschiedlicher Schmerzcharakteristik und Begleitsymptomatik stellen wir 4 Hauptgruppen muskuloskelettaler Erkrankungen vor. Diese Einteilung ist Grundlage der Entwicklung von Krankheits- und Behandlungsmodellen des Schmerzes. Therapie. Die Schmerztherapie ist teils symptomatisch, teils pathophysiologisch begründet, und besteht aus den Therapiemodulen Analgetika, antiinflammatorische Therapie, Krankengymnastik, psychosoziale Begleitung und komplementäre Therapien. Hinweise für die Differenzialtherapie werden angegeben. Ein für alle Beteiligten transparentes teamorientiertes Konzept mit der Einbindung von Ärzten, Krankengymnasten, Ergotherapeuten, Psychologen und Sozialarbeitern hat sich als Grundlage einer erfolgreichen Langzeitbetreuung erwiesen. Wichtig sind regelmäßige ambulante Kontakte in Absprache mit dem Hausarzt, ggf. Schulungen und stationäre Aufenthalte. Die Zusammenarbeit mit Selbsthilfegruppen hat sich innerhalb eines solchen Therapieplans erfolgreich etabliert.
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  • 3
    ISSN: 1432-198X
    Keywords: Key words Chronic relapsing thrombotic thrombocytopenic purpura ; von Willebrand factor-cleaving protease deficiency ; Autosomal recessive inheritance ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  A child with chronic relapsing thrombotic thrombocytopenic purpura (TTP/HUS) had recurrent thrombocytopenia, microangiopathic hemolytic anemia with fragmented erythrocytes, microthrombi in the lung vessels, and renal dysfunction. Assay of von Willebrand factor (vWF)-cleaving protease showed a complete protease deficiency in the patient and subnormal activities in the mother and in two asymptomatic siblings. No inhibitor of vWF-cleaving protease was detected in the patient’s plasma. Periodic transfusions of fresh-frozen plasma prevented further acute episodes of TTP/HUS. Specific diagnosis of the constitutional deficiency of vWF-cleaving protease helps to provide successful prophylactic therapy.
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  • 4
    ISSN: 1433-0385
    Keywords: Keywords: Inguinal hernia ; Plug-and-patch repair ; Results ; Quality of life ; Geriatric ; Elderly. ; Schlüsselwörter: Leistenhernie ; Plug-und-Patch-Reparation ; Ergebnisse ; Lebensqualität ; geriatrisch ; älter.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung. Im Rahmen einer prospektiven Beobachtungsstudie wurden die perioperativen Ergebnisse der Plug-und-Patch-Reparation bei Patienten ≥ 65 Jahre untersucht und zusätzlich bei 34 konsekutiven Patienten die Lebensqualität vor und 3 Monate postoperativ standardisisiert mit Hilfe der Short Form (SF) 36 – einem validierten Lebensqualitätsbogen – erhoben. Von August 1994 bis Februar 1999 wurden 147 Patienten mit einem Durchschnittsalter von 73 ± 5 Jahren (65–92 Jahre) in der Plug-und-Patch-Technik zumeist in Lokalanaesthesie (LA: n = 124; 84 %, ITN: n = 23; 16 %) operiert. Die präoperativen Risikofaktoren waren vor allem Alkoholkonsum, Hypertonus, Diabetes mellitus, coronare Herzerkrankung, Nikotinkonsum, cerebrale Erkrankungen, Hyperlipidämie und pulmonale Erkrankungen. Nach anaesthesiologischer Einschätzung bestand in der Mehrzahl ein Stadium ASA II (ASA I: n = 14; 9 %, ASA II: n = 82; 56 %, ASA III: n = 51; 35 %). Die durchschnittliche Operationszeit betrug 41 ± 17 Min. (26–73). Intraoperative Komplikationen traten nicht auf, postoperative Komplikationen bestanden vor allem in oberflächlichen Wundhämatomen (n = 6; 3,7 %), und -infektionen (n = 1; 0,6 %), Seromen (n = 7; 3,8 %), Harnverhalt (n = 3; 1,8 %) sowie ilioinguinalem Schmerzsyndrom (n = 3; 1,8 %). Der postoperative Schmerzmittelbedarf betrug 4,9 ± 1,8 g Novalgin®über durchschnittlich 4 ± 3 Tage. Die Dauer des postoperativen Klinikaufenthaltes lag bei 2 ± 1 Tagen, die Einschränkung alltäglicher Verrichtungen bei 6 ± 3 Tagen. Bei der klinischen Nachuntersuchung ergab sich in allen Fällen ein regelrechter Befund ohne Hinweis auf ein Rezidiv oder Spätkomplikationen. Bei der Lebensqualität zeigte sich 3 Monate postoperativ eine signifikante Verbesserung (p 〈 0,05) in den Dimensionen: physische Funktion, Schmerz, Vitalität und soziale Funktion im Vergleich zu den präoperativen Werten. Tendentiell günstiger aber nicht signifikant waren postoperativ die Dimensionen Rolleneinschränkung sowie psychische und globale Gesundheit.
    Notes: Abstract. In a prospective study the perioperative results of plug-and-patch repair were investigated in patients ≥ 65 years, and quality of life was assessed using the SF36 preoperatively and 3 months after the procedure in 34 consecutive patients. From August 1994 to February 1999 147 patients with a mean age of 73 ± 5 years (65–92 years) were operated on using the plug-and-patch technique, mostly under local anesthesia (LA: n = 124, 84 %, ITN: n = 23, 16 %). Preoperative risk factors were alcohol consumption, hypertonus, diabetes mellitus, ischemic heart disease, smoking, cerebrovascular disease, hyperlipidaemia and pulmonary disease. Most of the patients were ASA II (ASA I: n = 14, 9 %, ASA II: n = 82, 56 %, ASA III: n = 51, 35 %). No intraoperative complications occurred, postoperative complications consisted of superficial wound hematoma (n = 6, 3.7 %) and infection (n = 1, 0.6 %), seroma (n = 7, 3.8 %), urinary retention (n = 3, 1.8 %) and ilioguinal pain syndrome (n = 3, 3.8 %). The total amount of postoperative analgesic consumption was 4.9 ± 1.8 g Novalgin for about 4 ± 3 days. The duration of postoperative hospitalization was 2 ± 1 days and limitation of daily activities 6 ± 3 days. Clinical examinations after 3 months revealed no recurrence or late complications. Investigation of quality of life showed a significant improvement in the SF36 domains of physical activity, pain, vitality, and social functioning after the operation. No significant change was observed for physical, emotional, and global health.
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  • 5
    ISSN: 1433-0423
    Keywords: Schlüsselwörter Okuläres vernarbendes Pemphigoid ; Therapie ; Komplikationen ; Glaukom ; Key words Ocular cicatricial pemphigoid ; Therapy ; Complications ; Glaucoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Cicatricial pemphigoid (CP) is a rare autoimmune disease characterized by subepidermal blistering and progressive cicatrization affecting the skin and mucosa. Ocular involvement occurs in approximately 70% of the patients. Methods: The course of the disease, complications and putative risk factors in patients with ocular cicatricial pemphigoid (OCP) treated at the Departments of Ophthalmology and Dermatology were analyzed retrospectively from 1986 to 1998. Results: Eighteen of 28 patients (64%) with CP demonstrated ocular involvement. The mean age of patients with OCP was 73 years; 61% were female. At the time of referral to our hospital, all patients had reached advanced stage III (83%) or IV (17%) of OCP. In 38% of patients vision was already reduced to 〈20/200 at first presentation. Twenty-eight percent of patients additionally suffered from glaucoma. Two patients exhibited life-threatening extraocular manifestations of CP (larynx stricture, esophagus stricture). Conjunctival or mucosal biopsies were performed in 15 patients with OCP and showed typical immunodeposits at the basement membrane zone in 12/15 patients. Therapy with dapsone (12 patients), oral steroids (11 patients), azathioprine (5 patients), cyclophosphamide (4 patients), colchicine (2 patients) and methotrexate (1 patient) was used concomitantly or consecutively. Complications of OCP including entropion, recurrent epithelial erosions, corneal ulcers, keratitis, and corneal perforations required multiple surgical interventions such as entropion surgery (8 patients), tarsorrhaphy (3 patients), mucous membrane grafting (1 patient), amniotic membrane transplantation (1 patient), tectonic keratoplasty (1 patient), keratoprosthesis (1 patient) and enucleation (1 patient). Despite control of the inflammatory process, further visual loss occurred in 53% of eyes. Reading visual acuity could only be maintained in 35% of eyes. Discussion: Early diagnosis and therapy can prevent ocular complications of OCP. This study indicates that advanced stages of the disease often result in irreversible visual loss despite institution of immunosuppressive therapy. Whether or not the high association of OCP with glaucoma and/or anti-glaucomatous treatment in our patients represents part of the underlying disease process or plays a role in the pathogenesis of OCP must still be clarified.
    Notes: Zusammenfassung Das vernarbende Pemphigoid (cicatricial pemphigoid, CP) ist eine seltene, mit subepidermaler Blasenbildung und Vernarbung einhergehende Autoimmunerkrankung, die sich an Haut und Schleimhaut manifestiert. Eine Augenbeteiligung liegt bei etwa 70% der Patienten vor. Methode: Retrospektiv wurden Krankheitsverlauf, klinische Komplikationen und mögliche Risikofaktoren von Patienten der Augen- und Hautklinik mit vernarbendem Pemphigoid von 1986–1998 untersucht. Ergebnisse: 18/28 Patienten (64%) mit CP hatten eine okuläre Beteiligung. Das Durchschnittsalter der Patienten mit okulärem vernarbendem Pemphigoid betrug 73 Jahre, 61% der Patienten waren weiblich. Bereits bei Erstvorstellung in unserer Klinik bestand bei allen Patienten ein Krankheitsstadium III (83%) oder IV (17%), mit einem Visus 〈0.1 in 38% der Augen. Bei 28% der Patienten wurde zusätzlich ein Glaukom diagnostiziert. Zwei Patienten zeigten eine lebensgefährliche extraokuläre Schleimhautbeteiligung (Larynx- bzw. Ösophagusstriktur). Bei 15 Patienten mit okulärem vernarbendem Pemphigoid wurde eine Bindehaut- bzw. Schleimhautbiopsie aus dem Mund oder Nasen-Rachen-Raum durchgeführt, welche die Verdachtsdiagnose bei 12/15 Patienten immunhistologisch sicherte. Eine Therapie mit Dapson (12 Patienten), oraler Kortikosteroidgabe (11 Patienten), Azathioprin (5 Patienten), Cyclophosphamid (4 Patienten), Colchizin (2 Patienten) und Methotrexat (1 Patient) wurde in Folge oder Kombination eingesetzt. Komplikationen wie Lidfehlstellungen, rezidivierende Epitheldefekte, Hornhautulzera, Keratitiden und Hornhaut-Perforationen erforderten multiple operative Eingriffe wie Entropium-Operation (8 Patienten), Tarsorrhaphie (3 Patienten), Kryoepilation (2 Patienten), Mundschleimhaut-Transplantat (1 Patient), Amniontransplantat (1 Patient), tektonische Keratoplastik (1 Patient), Keratoprothese (1 Patient) und Enukleation (1 Patient). Trotz befriedigender Kontrolle des okulären vernarbenden Pemphigoids kam es bei 53% der Augen zum weiteren Visusabfall. Ein Lesevisus konnte nur in 35% der Augen erhalten werden. Schlußfolgerung: Wahrscheinlich kann die Früherkennung und rechtzeitige Behandlung des okulären vernarbenden Pemphigoids okuläre Komplikationen verhindern. Diese Studie zeigt, daß trotz immunsuppressiver Therapie in Spätstadien häufig ein irreversibler Visusverlust resultiert. Es bleibt zu untersuchen, ob die auffällig hohe Assoziation von okulärem vernarbendem Pemphigoid zu Glaukom bzw. antiglaukomatöser Therapie in unserem Patientenkollektiv als Folge der Grunderkrankung oder als pathogenetischer Faktor zu werten ist.
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  • 6
    ISSN: 1433-0458
    Keywords: Schlüsselwörter Larynxkarzinom ; Sacculus laryngis ; Therapie ; Keywords Laryngeal carcinoma ; Sacculus laryngis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract The case of a 60-year-old female patient with a supraglottic larynx carcinoma (T3N2CM0) and bilateral enlargement of the laryngeal sacculus is presented. On one side, the sacculus opened atypically into the left vestibular fold. The sacculus is a physiologic part of the roof of Morgagni's ventricle, the size of which can vary greatly. These canal-like structures can be the point of origin of cysts, laryngoceles, mucoceles, and pyoceles. Laryngoceles are present in about 5% of larynx carcinomas; their cause is not precisely known. Frequently, a computer tomogram suggests the coincidence of larynx carcinoma and laryngoceles or a large laryngeal sacculus. In oral panendoscopy, these ventricular distensions are difficult to detect even using 70° rigid endoscopes. A planned supraglottic partial resection must take into account early tumor growth along the preformed canals in the preepiglottic space. In this patient, a laryngectomy was performed due to the bilateral involvement of the vocal process and the anterior commissure.
    Notes: Zusammenfassung Es wird der Fall einer 60-jährigen Patientin mit einem supraglottischen Larynxkarzinoms (T3 N2c M0) und beidseitiger Vergrößerung des Sacculus laryngis vorgestellt. Einseitig mündete der Sacculus untypisch auf der linken Taschenfalte. Der Sacculus laryngis ist eine physiologische Ausstülpung des Daches des Morgagni-Ventrikels, dessen Größe sehr variieren kann. Diese gangartigen Strukturen können Ausgangsort von Zysten, Laryngozelen, Mukozelen und von Pyozelen sein. In ca 5% von Larynxkarzinomen liegen Laryngozelen vor, wobei der disponierende Faktor nicht genau bekannt ist. Oftmals ist der Verdacht der Koinzidenz von Larynxkarzinom und Laryngozele oder großem Sacculus laryngis in der Computertomographie zu stellen. In der Panendoskopie sind diese Erweiterungen der Ventrikel auch mit starren Winkeloptiken schwer zu sehen. Bei geplanter supraglottischer Teilresektion muss man an ein frühes Tumorwachstum entlang der präformierten Gänge in den präepiglottischen Raum denken. Bei der Patientin wurde bei beidseitiger Beteiligung der Processus vocales und der vorderen Kommissur eine Laryngektomie durchgeführt.
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  • 7
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Wachstumshormon ; Kleinwuchs ; Therapie ; Demographie ; Pharmakoepidemiologie ; KIGS [Kabi] Pharmacia & Upjohn International Growth Study) ; Key words Growth hormone ; Short stature ; Therapy ; Demography ; Pharmaco-epidemiology ; KIGS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Recombinant growth hormone (rGH) therapy in the treatment of children with short stature was introduced 10 years ago, and experience has shown that progress in implementing this mode of therapy depends increasingly on analyses of large pharmaco-epidemiological studies. These studies prove that the diagnosis of growth hormone deficiency, whatever the cause or pathogenetic form, is the most frequent indication for GH therapy. The remaining problems are timely and precise diagnosis, and the best possible and individual therapy aiming at the projected height and taking safety and costs into account. We are closer to solving these problems today than ever before. Apart from this, the use of GH in treating short stature in Turner syndrome and renal insufficiency has led to its acceptance as a suitable therapy for these patients. Height improvement in a number of other growth disorders is, in certain cases, also possible through GH therapy. In the light of current experience, GH therapy can thus be attempted on a rational basis in individual cases. This form of treatment clearly holds wider possibilities and its implementation is likely to go beyond short stature in the future.
    Notes: Zusammenfassung 10 Jahre nach der Einführung von rekombinantem Wachstumshormon (WH) in die Therapie kleinwüchsiger Kinder werden unsere Erfahrungen zunehmend auch durch Analyse umfangreicher pharmako-epidemiologischer Beobachtungen geprägt. Wachstumshormonmangel: Diese zeigen, daß der Wachstumshormonmangel in seinen unterschiedlichen Ursachen und pathogenetischen Erscheinungsformen nach wie vor die häufigste Indikation für WH darstellt. Die Probleme bestehen weiterhin in der rechtzeitigen und rationellen Diagnostik und in der Optimierung und Individualisierung der Therapie zum Erreichen der Wachstumsziele unter ökonomischen Gesichtspunkten und bei gleichzeitiger therapeutischer Sicherheit. Diese Probleme sind für den WH-Mangel heute lösbar. Weitere Indikationen: Ferner zeigt sich, daß auch der Kleinwuchs beim Ullrich-Turner-Syndrom und bei der Niereninsuffizienz, für welche WH zugelassen ist, erfolgreich behandelt werden kann. Bei einer Vielzahl anderer Wachstumsstörungen ist die Möglichkeit zur Größenverbesserung im Einzelfall gegeben. Vor dem Hintergrund heutiger Erfahrungen kann ein individueller Heilversuch so auf eine rationale Basis gestellt werden. Zukunftsperspektiven: In Zukunft wird das breite Wirkpotential von Wachstumshormon über die Indikation des Kleinwuchses hinaus ausgeschöpft werden.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Monatsschrift Kinderheilkunde 148 (2000), S. 475-478 
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Tufted Angioma ; Büschelartiges Hämangiom ; Kutane Tumoren ; Therapie ; Key words Tufted angioma ; Hemangioma ; Cutaneous tumor ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Case report: A 16-month-old girl was admitted with a 6-month history of multiple redishblue plaques on the right abdomen. These proved to have increased in size and number daturing a 1.5-year follow-up. Histologically (including histochemistry and electron microscopy), these skin changes were classified as tufted angioma. Tufted angioma is a rare, often multiple benign tumor. Half of the tumors reported develop in children 5 years and younger. The exclusion of malignant tumors (leukemia, lymphoma, neuroblastoma) is important. A punch biopsy is not very traumatic. A subsequent histological examination is highly sensitive and specific. Therapy: There are a few active therapeutic options with rather severel side effects.
    Notes: Zusammenfassung Fallbericht: Bei einem Mädchen im Alter von 16 Monaten traten seit einem halben Jahr am rechten Abdomen multiple, disseminierte rötliche bis bläulich-bräunliche infiltrierte Plaques auf, die innerhalb des 1,5-jährigen Beobachtungszeitraums weiter an Größe und Anzahl zunahmen. Mittels konventioneller Histologie, Immunhistologie und Elektronenmikroskopie sicherten wird die Diagnose eines Tufted Angioma. Das Tufted Angioma ist ein sehr seltener, häufig multipel vorkommender Tumor gutartigen Charakters. Die Hälfte der berichteten Tumoren entwickelte sich innerhalb der ersten 5 Lebensjahre. Deshalb ist der differenzialdiagnostische Ausschluss eines malignen Geschehens (Leukämie, Lymphome, Neuroblastom) von außerordentlicher Bedeutung. Hierzu ist eine Stanzbiopsie ideal geeignet, da sie einfach durchführbar und nur gering traumatisch ist. Die nachfolgende Histologie hat eine hohe Sensitivität und Spezifität. Therapie: Die aktiven therapeutischen Möglichkeiten müssen eher als eingeschränkt und nebenwirkungsreich gewertet werden. Eine spontane Rückbildung ist möglich.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Der Urologe 39 (2000), S. 527-529 
    ISSN: 1433-0563
    Keywords: Schlüsselwörter Interstitielle Zystitis ; Epidemiologie ; Inzidenz ; Prävalenz ; Lebensqualität ; Keywords Interstitial cystitis ; Epidemiology ; Incidence ; Prevalence ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Available data on the epidemiology of interstitial cystitis (IC) are heterogeneous. Its prevalence ranges between 16 and 510 females/100,000 inhabitants and the incidence at 1.2–2.6/100,000 females with a mean age of 42–52 years. The disease tends to affect women (female:male ratio 9–10:1) and Caucasians (〉90%). The quality of life of patients suffering from IC is reduced to a significant degree in almost every aspect (work, social events, leisure activities). Financial expenses (medical as well as economical) associated with the disease are considerable. There is an enormous need to promote IC education and research in order to support affected patients effectively in the future.
    Notes: Zusammenfassung Die vorliegenden Daten zur Epidemiologie der interstitiellen Zystitis sind sehr heterogen. Die Prävalenz beträgt 16–510 Frauen/100.000 Einwohner, die Inzidenz liegt zwischen 1,2–2,6 /100.000 Frauen mit einem mittleren Alter bei Diagnosestellung von 42–52 Jahren. Die Geschlechterverteilung bevorzugt das weibliche im Verhältnis zum männlichen Geschlecht (9–10 Frauen/1 Mann) mit einer ethnischen Bevorzugung der Kaukasier (〉90%). Die Lebensqualität der betroffenen Patienten ist in fast allen Lebensbereichen (Arbeit, Soziales, Freizeit) signifikant eingeschränkt. Die Kosten (sowohl medizinisch als auch volkswirtschaftlich) sind erheblich. Es besteht ein enormer Weiterbildungs- und Forschungsbedarf, um durch einen besseren Kenntnisstand den Patient(inn)en mit IC wirkungsvoll helfen zu können.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Der Urologe 39 (2000), S. 539-541 
    ISSN: 1433-0563
    Keywords: Schlüsselwörter Interstitielle Zystitis ; Blasendehnung ; Hydrodistension ; Blasentraining ; Keywords Interstitial cystitis ; Bladder distension ; Bladder training ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Although hydrodistension of the bladder is generally considered standard therapy for interstitial cystitis, scientific data are largely lacking. With the mechanism of action unknown, prospective studies non-existent and the therapeutic effect at best very short-lived, hydrodistension cannot be regarded as a therapeutic standard concept with scientifically validated efficacy. The value of behavioral therapy and bladder training is equally unclear; success can only be anticipated in the very rare subset of patients without pain.
    Notes: Zusammenfassung Obwohl die Hydrodistension der Harnblase ein häufig angewendetes Konzept in der Behandlung der intestitiellen Zystitis (IC) darstellt, ist die wissenschaftliche Datenlage zur therapeutischen Blasendehnung spärlich. Bei ungeklärtem Wirkungsmechanismus, fehlenden prospektiven und kontrollierten Studien und bestenfalls kurzfristiger Effektivität kann die Hydrodistension nicht als therapeutisches Standardkonzept mit wissenschaftlich nachgewiesenem Behandlungserfolg angesehen werden und besitzt eher den Stellenwert eines Heilversuchs. Die Wertigkeit von Blasentraining oder ähnlichen Miktonsverhaltensmodifikationen bei der IC bleibt ebenfalls unklar, ein gewisser Effekt kann allenfalls für die vergleichsweise kleine Untergruppe von IC-Patienten ohne Schmerzkomponente erwartet werden.
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  • 11
    ISSN: 1434-3932
    Keywords: Schlüsselwörter  Bauchaortenaneurysma ; Lebensqualität ; Endovaskuläre Therapie ; Keywords  Aortic aneurysm ; Quality of life ; Endovascular ; Conventional therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract   Patient satisfaction plays an increasing part in the analysis of the outcome of medical treatment. The aim of the study was to compare health-related quality of life in patients with abdominal aortic aneurysm after endovascular or conventional surgery. A total of 40 patients were included (20 treated by endovascular and 20 by conventional surgery). A questionnaire with 28 items similar to the SF-36 was answered during scheduled appointments. On the third postoperative day, the conventionally treated patients were more frequently confined to bed (80% vs. 32%) and complained of intervention-related pain (90% vs. 42%) and incisional pain (26% vs. 15%); 55% of the patients suffered from obstipation (vs. 5% of the endovascular group). Furthermore, the preoperative psychological stress seemed to be intensified. In comparable percentage, both the endovascular and conventionally treated patients were limited in social activities perioperatively. Sexual dysfunction was more frequent in the conventional group (33% vs. 13% three months postoperative). In addition, the conventionally treated patients were more limited in their physical activities (25% vs. 40%) and had more fear of ambulation (35% vs. 6%). The patients treated by an endovascular approach complained about frequent examinations (39% vs. 5%) that were often related to X-ray exposure (67% vs. 20%). All of the conventionally operated patients had a sense of improvement (vs. 89% of the endovascular group); nevertheless only 28% felt completely healthy, compared to 11% of the endovascular treated patients. Advantages of the endovascular treated patients were ”short hospital stay”, ”decreased pain”, ”smaller scars”, and a ”shorter confinement to bed”. After intervention the conventionally treated patients were more limited in almost all quality-of-life aspects. After 3 months, differences between the groups decreased except for sexual dysfunction and limited physical activities. The patients treated by endovascular surgery complained more about frequent X-ray examinations than the conventionally treated group.
    Notes: Zusammenfassung  Zur Bewertung eines Therapieerfolgs gewinnt der subjektive Aspekt der Patientenzufriedenheit zunehmend an Bedeutung. Ziel unserer Untersuchung war es, die medizinischen Aspekte der Lebensqualität vor, während und nach Behandlung eines infrarenalen Bauchaortenaneurysmas durch konventionelle oder endovaskuläre Operation zu vergleichen. Insgesamt 40 Patienten, 20 Patienten nach konventioneller und 20 Patienten nach endovaskulärer Bauchaortenaneurysmaausschaltung, die in unserer Klinik in dem Zeitraum 01.06.1997 bis 31.12.1998 operiert worden waren, erhielten einen in Anlehnung an den SF-36-Survey-Fragebogen entwickelten Fragenkatalog mit 28 Fragen über die perioperative Lebensqualität. Am 3. postoperativen Tag waren deutlich mehr konventionell operierte Patienten bettlägerig (80 vs. 32%), gaben stärkere Schmerzen (90 vs. 42%) sowie Narbenbeschwerden (26 vs. 15%) an und litten unter Verdauungsproblemen (55 vs. 5%). Sie waren außerdem vor der Operation durch den Eingriff psychisch belasteter als die Vergleichsgruppe. Die Patienten beider Gruppen fühlten sich perioperativ in einem vergleichbaren Prozentsatz in der Ausübung gesellschaftlicher Aktivitäten beeinträchtigt. In der konventionell operierten Patientengruppe waren postoperative Sexualfunktionsstörungen signifikant häufiger als bei den endovaskulären Patienten (33 vs. 13% 3 Monate postoperativ). Im postoperativen Intervall von 3 Monaten waren die konventionellen Patienten physisch weniger belastbar (25 vs. 40%) und hatten stärkere Angst, sich frei zu bewegen (35 vs. 6%); 39% der endovaskulären Patienten empfanden die postoperativen Kontrolluntersuchungen als belastend, 67% empfanden die Strahlenbelastung bei den Kontrollen als negativ (konventionell 5 bzw. 20%). Alle konventionell operierten Patienten hatten das Gefühl, dass das Bauchaortenaneurysma ausgeschaltet sei (endovaskulär 89%). Vollkommen gesund fühlten sich 3 Monate postoperativ lediglich 28% der konventionell operierten Patienten bzw. 11% der endovaskulären Patienten. Als größte Vorteile der endovaskulären Methode wurden ”kurzer Krankenhausaufenthalt”, ”wenig Schmerzen”, ”kleine Narbe” und ”kurze Bettlägerigkeit” genannt. Die konventionell therapierten Patienten sind in ihrer Lebensqualität perioperativ deutlich mehr beeinträchtigt als die endovaskulär behandelten. Nach 3 Monaten finden sich jedoch bis auf den Bereich der Sexualfunktionsstörungen, der physischen Belastbarkeit und der Bewegungsfreiheit keine signifikanten Unterschiede in beiden Kollektiven. Durch die regelmäßigen Nachuntersuchungen mit Strahlenexposition fühlen sich die endovaskulär behandelten Patienten stark belastet.
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  • 12
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    Der Anaesthesist 49 (2000), S. 34-42 
    ISSN: 1432-055X
    Keywords: Schlüsselwörter ; Erworbene Hemmkörperhämophilie ; spontane Faktor-VIII-Inhibitoren ; spontane Faktor-IX-Inhibitoren ; Diagnose ; Therapie ; Key words ; Acquired haemophilia ; Spontaneous factor VIII inhibitors ; Spontaneous factor IX inhibitors ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Although autoantibodies against factor VIII or factor IX are a rare phenomenon, they are associated with a high risk of bleeding and high mortality. The condition, termed ac- quired haemophilia, occurs equally in both sexes and is most frequent in higher age groups. Patients typically present with severe bleedings in muscles and skin. In contrast to patients with congenital haemophilia and inhibitors, joint bleedings are very rare. In approximately half of all cases an associated disease state can be identified as the cause of autoantibody formation. An immediate and comprehensive diagnosis is essential for a rapid initiation of therapy. Equally important are a careful diagnostic differentiation between congenital and acquired factor deficiencies and the exclusion of non-specific inhibitors, which increase the occurrence of thrombolic events. The inhibitor titre, quantified using the Bethesda assay, is an important criterion for selecting the appropriate therapy. A wide range of treatment options is now available for the management of bleedings in patients with acquired haemophilia, namely porcine factor VIII, recombinant factor VIIa, prothrombin complex concentrates, and immunoadsorptions. In addition, immunosuppressive therapies are used to achieve permanent reduction or elimination of inhibitors.
    Notes: Zusammenfassung Autoantikörper gegen Faktor VIII oder Faktor IX sind ein zwar seltenes, aber mit hohem Blutungsrisiko und hoher Letalität verbundenes Phänomen. Diese als erworbene Hemmkörperhämophilie bezeichnete Erkrankung kommt bei beiden Geschlechtern gleich häufig vor und tritt gehäuft im hohen Lebensalter auf. Die Patienten fallen klinisch v. a. durch schwere Blutungen in Muskeln und Haut auf, wogegen Gelenkeinblutungen – im Gegensatz zur angeborenen Hämophilie mit Hemmkörpern – sehr selten auftreten. In etwa der Hälfte der Fälle kann eine assoziierte Grunderkrankung als Auslöser der Autoantikörperbildung identifiziert werden. Eine rasche und umfassende Diagnostik ist entscheidend für einen schnellen Therapiebeginn. Ebenso bedeutend ist eine sorgfältige differentialdiagnostische Abgrenzung gegen einen angeborenen oder erworbenen Faktorenmangel sowie der Ausschluß unspezifischer Inhibitoren, die vermehrt zu Thrombosen führen können. Wichtig für die Auswahl der geeigneten Therapieform ist der Inhibitortiter, gemessen im Bethesda-Assay. Für die Blutstillungstherapie steht heute mit porcinem Faktor VIII, rekombinantem Faktor VIIa, Prothrombinkomplexpräparaten und Immunadsorptionen ein breites Spektrum an Möglichkeiten zur Verfügung. Für eine dauerhafte Reduktion bzw. Elimination der Autoantikörper finden immunsuppressive Therapien Anwendung.
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  • 13
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    Der Anaesthesist 49 (2000), S. 788-809 
    ISSN: 1432-055X
    Keywords: Schlüsselwörter Rechtsherzfunktion ; Störung ; Ätiologie ; Pathophysiologie Diagnostik ; Therapie ; Keywords Impaired right ventricular function ; RV failure ; Diagnosis ; Monitoring ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Impaired right ventricular (RV) function may be caused by pulmonary hypertension or myocardial ischemia. It is characterized by a dilation of the RV, which is followed by an increase of wall tension and O2-consumption and a decrease of RV ejection fraction (RV ‘dysfunction’). If a drop of arterial pressure occurs this my precipitate RV failure and shock (RV ‘insufficiency’). Diagnosis of RV failure and monitoring of RV function is difficult. Sometimes, even a severe impairment of RV function goes undetected or is misinterpreted. Patients in the operating room or on intensive care units seem to be especially prone to RV dysfunction and failure. Since a causative therapy often is not readily available, adequate symptomatic therapy is of utmost importance. Four basic principles have to be considered: 1) Optimizing preload: The failing RV requires adequate filling for preservation of stroke volume. On the other hand, overdistension of the RV may result in RV ischemia, thereby further deteriorating RV function Hence, volume loading is important, but requires continuous monitoring. 2) Maintenance of aortic pressure: Vasopressors are indicated if there is a critical drop of coronary perfusion pressure. Norepinephrine presently is the drug of choice for this purpose. 3) Reduction of RV afterload: Whereas intravenous vasodilators are limited in their efficacy in dilating pulmonary vessels due to systemic side effects, inhaled vasodilators result in selective pulmonary vasodilation and may improve RV function. 4) Increase of RV contractility: In RV failure and shock, norepinephrine and epinephrine are the drugs of choice. Inodilators are well suited for reducing pulmonary vascular resistance due to their positive inotropic and vasodilating effects. Since systemic vasodilation may occur, these drugs must only be used in hemodynamically stable patients.
    Notes: Zusammenfassung Eine Störung der Rechtsherzfunktion entsteht meist als Folge einer pulmonalen Hypertension, seltener bei primärer Myokardischämie. Sie ist gekennzeichnet durch eine Dilatation des rechten Ventrikels mit Anstieg von Wandspannung und Sauerstoffverbrauch bei reduzierter Ejektionsfraktion (“Dysfunktion”). Kommt es zum Abfall von arteriellem Druck und koronarem Perfusionsdruck, kann dies ein Rechtsherzversagen mit Schock auslösen (“Insuffizienz”). Diagnostik und Monitoring des rechten Ventrikels sind schwierig. Selbst eine schwere Beeinträchtigung der rechtsventrikulären Pumpfunktion bleibt daher häufig unbemerkt oder wird fehlgedeutet. Patienten in der perioperativen Phase und auf Intensivstationen scheinen besonders häufig von dem Krankheitsbild betroffen zu sein. Da eine kausale Therapie des akuten Rechtsherzversagens nur selten möglich ist, kommt der symptomatischen Therapie besondere Bedeutung zu. Sie stützt sich auf vier Prinzipien: 1) Optimierung der Vorlast: Der insuffiziente rechte Ventrikel benötigt zur Aufrechterhaltung seines Schlagvolumens ein gute Füllung. Andererseits kann eine Überdehnung des rechten Ventrikels eine Myokardischämie induzieren und seine Funktion weiter verschlechtern. Eine adäquate Volumentherapie ist daher essenziell, muss jedoch unter engmaschigem hämodynamischem Monitoring erfolgen. 2) Aufrechterhaltung des Aortendrucks: Bei kritischem Abfall des arteriellen Drucks ist die Gabe von Vasopressoren indiziert, um den rechtskoronaren Perfusionsdruck zu erhöhen. Noradrenalin gilt derzeit wegen seiner zusätzlich positiv inotropen Wirkung als Mittel der Wahl. 3) Verminderung der rechtsventrikulären Nachlast: Während sich intravenöse Vasodilatatoren wegen systemischer Nebenwirkungen nur bedingt zur Therapie der pulmonalen Hypertension eignen, dilatieren inhalierte Vasodilatatoren die pulmonale Strombahn selektiv und verbessern so die Pumpfunktion des rechten Ventrikels. 4) Steigerung der rechtsventrikulären Kontraktilität: Mittel der Wahl bei Dekompensation und Schock sind Noradrenalin und Adrenalin. Inodilatatoren weisen neben einer positiv inotropen auch eine pulmonal vasodilatierende Wirkung auf und eignen sich daher ebenfalls zur Therapie der rechtsventrikulären Dysfunktion. Sie sollten jedoch wegen der damit verbundenen systemischen Vasodilatation nur bei kreislaufstabilen Patienten eingesetzt werden.
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  • 14
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    Der Anaesthesist 49 (2000), S. 332-339 
    ISSN: 1432-055X
    Keywords: Schlüsselwörter Schädelhirntrauma ; zerebrale Hypoxie ; Diagnose ; Therapie ; Key words Brain damage ; Cerebral hypoxie ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract The main reason for posttraumatic secondary brain damage is cerebral hypoxia. Both, severity and duration of hypoxia are crucial in determining wether irreversible cerebral infarction will occur or not. For the clinical routine, the diagnosis of hypoxia is indirectly made by low CPP, low jugularvenous oxygen saturation (SjO2) or low tissue PO2. To minimize misleading false negative SjO2, the CT-Approach for the side of monitorig and calculation of arterial-jugularvenous lactate content for detection of anaerobic metabolism is recommended. Targeted treatment of hypoxia according to the underlying cause is mandatory. Primary goal is to increase cellular oxygen delivery by correction of low arterial oxygen content and elevation of regional CBF. Within the autoregulatory range decreasing CPP causes vasodilation and increasing CPP vasoconstriction with increasing or decreasing cerebral blood volume respectively. Initially elevation of the lower autoregulatory threshold often requires CPP 70 mmHg. Targeted treatment of intracranial hypertension must avoid decreasing CPP. In the early postrautmatic phase prevention of cerebral hypoxia relies on management of CBF by means of CPP and cerebral vascular resistance. Thereafter targeted treatment of intracranial hypertension caused by cerebral edema and hypervolemia are increasingly important.
    Notes: Zusammenfassung Hauptursache der sekundären Hirnschädigung ist die zerebrale Hypoxie. Abhängig von Schweregrad und Dauer entsteht eine irreversible Hirngewebsschädigung. Zur Diagnose der Hypoxie dient unter klinischen Bedingungen die kontinuierliche Messung des zerebralen Perfusionsdrucks (CPP) in Verbindung mit der zerebrovenösen O2-Sättigung (SjO2) oder der O2-Partialdruckmessung im Hirngewebe. Zur Minimierung von SjO2-Fehlinterpretationen sollte nach CT-Approach punktiert und ein anaerober Hirnstoffwechsel durch Bestimmung der arterio-jugularvenösen Laktatkonzentrationsdifferenz (avDL) ausgeschlossen werden. Die Therapie der zerebralen Hypoxie sollte kausal erfolgen. Normalisierung des arteriellen O2-Gehalts und Steigerung der Hirndurchblutung (CBF) haben Prioritöt. Bei intakter Autoregulation der CBF wird ein CPP-Abfall durch Vasodilatation mit Zunahme des zerebralen Blutvolumens und ein CPP-Anstieg durch Vasokonstriktion mit Abnahme des CBV kompensiert. Die häufige posttraumatische Rechtsverschiebung der unteren Autoregulationsschwelle erfordert in der Initialphase mit dem höchsten Hypoxierisiko CPP-Werte 70 mmHg. Die Therapie des ICP 〉 20 mmHg erfolgt CPP-orientiert. Eine ICP-Senkung zu Lasten des CPP ist zu vermeiden. Initial nach SHT hat die individuelle Optimierung der CBF durch Sicherstellung eines adäquaten CPP und zerebrovaskulären Gefäßwiderstandes (CVR) Priorität. Nachfolgend gewinnen durch SjO2 und avDL- oder Gewebe-PO2-Messung kontrollierte Maßnahmen zur Modulation von CVR und CBV sowie die Hirnödemtherapie zunehmend an Bedeutung.
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  • 15
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    Archives of gynecology and obstetrics 264 (2000), S. 164-165 
    ISSN: 1432-0711
    Keywords: Keywords Factor V Leiden ; Recurrent abortion ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We report a case with one intrauterine fetal death (IUFD) at 32 weeks of gestation, one premature delivery at the same week, and one abortion of unknown etiology at 12 weeks of gestation. We discuss that the presence of homozygosity for Factor V Leiden may be associated with placental insufficiency in this woman. Application of anticoagulant therapy may have been beneficial in her current pregnancy.
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  • 16
    ISSN: 1432-1076
    Keywords: Key words Renal venous thrombosis ; Neonate ; Incidence ; Therapy ; Outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Renal venous thrombosis (RVT) occurs mainly in the neonatal period and bears a dismal prognosis for individual kidney function. There is no generally accepted therapeutic regimen as controlled clinical trials are lacking. Over the last few years, thrombolytic therapy has been successfully employed by single centres. The present study set out to gather up-to-date information on the incidence, therapy and outcome of neonatal RVT as part of a prospective nation wide survey on neonatal thrombosis in Germany to serve as a basis for therapeutic trials in the future. Between 1992 and 1994 the minimum incidence of symptomatic neonatal RVT in Germany was 2.2 per 100,000 live births (95% confidence interval 1.4–3.3). Out of 35 cases, RVT occurred in 15 premature babies (incidence 13 per 100,000 live births (95% confidence interval 5.9–24.8). Ten babies had associated caval occlusion. Therapy was supportive in 8, low dose heparin was used in 14, full heparinization in 9 and thrombolytic therapy in 4 children. On follow-up after a median time of 11.5 months, renal atrophy was present in 26 out of 39 affected kidneys. Conclusion Neonatal renal venous thrombosis still leads to irreversible kidney damage in the majority of cases. Because of the low incidence a multi-national multi-centre therapeutic trial over a long period has to be considered in order to determine the optimal therapeutic approach.
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  • 17
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    European journal of pediatrics 159 (2000), S. 268-272 
    ISSN: 1432-1076
    Keywords: Key words Glycogen storage disease type 1b ; Portacaval shunt ; Ferrit MRI of liver adenoma ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  In two girls with glycogen storage disease (GSD) type 1b, terminolateral portacaval shunt (PCS) with partial circular resection of the lobus quadratus of the liver was performed at the age of 12 and 10 years, respectively. At that time, the patients had a height of −3.1 and −1.7 SDS, respectively. PCS resulted in a spectacular growth spurt of 35 cm within the first 5 years after surgery in both of them. As first sign of puberty, breast enlargement started 2.5 years after PCS in both patients. Improved glucose tolerance was evidenced by increased levels of blood glucose and insulin after PCS. Diet with raw cornstarch (CS), 2g/kg body weight four times daily, was started 8 years after PCS in patient 1, but initiated with nightly gastric feeding at the age of 2 years in patient 2, 8 years before PCS. Treatment with recombinant granulocyte colony-stimulating factor (rhGCSF), 6 μg/kg body weight every 36–48 h, was started 20 years after PCS in patient 1, but only 1 month before PCS in patient 2. Progressive development of up to 7–8 liver adenomas was observed after PCS, but without conclusive signs of malignancy on Ferrit MRI. The PCS is still open 23 and 7 years after PCS, respectively. Terminolateral PCS with partial circular resection of the lobus quadratus of the liver associated with dietary control and rhGCSF might still have a place in the treatment of GSD type 1b because it improves the tolerance to fasting and the quality of life and moreover yields excellent metabolic control. Conclusion Treatment of glycogen storage disease type 1b by portacaval shunt might be considered in patients with height-for-age below the 3rd percentile occurring in spite of dietary control, or before considering liver transplantation which, if necessary, can still be performed after shunt surgery.
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  • 18
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    Intensive care medicine 26 (2000), S. 981-987 
    ISSN: 1432-1238
    Keywords: Key words Superoxide ; Reactive oxygen species ; Propofol ; Herbicide ; Therapy ; Hypnotics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To investigate whether the antioxidative sedatives propofol and thiopental can improve recovery from acute paraquat toxicity in A549 cells and in mice.¶Design: Prospective, controlled, dose-response, in vitro study and prospective, controlled animal study. Setting: A university animal research laboratory.¶Subjects: Established human lung cultured cells and male SPF ICR mice. Interventions: Paraquat-treated (0.2 mM) A549 cells were incubated either with the antioxidative sedatives propofol (0–0.56 mM) or thiopental (0–2.0 mM), or the non-antioxidative sedatives diazepam (0–3.0 mM), midazolam (0–3.0 mM) and ketamine (0–9.0 mM), as well as the antioxidative drugs, trolox (0–2.0 mM), α-tocopherol (0–4.4 mM), antioxidative-processed food (AOB; 0–1.0 mg/ml), superoxide dismutase (SOD; 0 and 3,000 U/ml) and ulinastatin (0 and 50,000 U/ml), for 48 h. Paraquat-treated mice received i. v. injections of 10 mg/kg propofol, 5 mg/kg thiopental, 4.0 mg/kg trolox, 100 mg/kg α-tocopherol, 10 mg/kg AOB or 5,000 U/kg SOD, b. i. d. for 4 days (n = 10 each). Measurements and results: Post-administered propofol and thiopental, as well as the antioxidative drugs, trolox, α-tocopherol and AOB, improved A549 cell survival in vitro. The non-antioxidative sedatives SOD and ulinastatin were not protective. An i. p. injection of 50 mg/kg of paraquat resulted in a survival rate of 40 % in mice at day 6. Propofol, trolox, α-tocopherol and AOB significantly lowered the mortality rate (80 % survival), while thiopental did not.¶Conclusion: Post i. v. injection of propofol is protective against paraquat-induced damage. Propofol can be given during mechanical ventilatory support after paraquat poisoning.
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  • 19
    ISSN: 1432-1076
    Keywords: Key words Erythropoietic protoporphyria ; Ferrochelatase ; Mutation ; Inheritance ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Erythropoietic protoporphyria (EPP, MIM 177000) is an inherited disorder caused by a partial deficiency of ferrochelatase (FECH) which catalyses the chelation of iron into protoporphyrin to form haem. The majority of EPP patients experience solely a painful photosensitivity whereas a small number of them develop liver complications due to the accumulation of excessive amount of protoporphyrin in the liver. EPP is considered to be an autosomal dominant disorder, however, with a low clinical penetrance. To date, a total of 65 different mutations have been identified in the FECH gene of EPP patients. Among the 89 EPP patients who carry a “null allele” mutation which results in the formation of a truncated protein, 18 of them developed EPP-related liver complications. None of the 16 missense mutations identified among 19 patients on the other hand, have been associated with liver disease (P = 0.038). The allelic constellation of an overt patient consists of a mutated FECH allele and a “low expressed” normal allele and that of an asymptomatic carrier, a combination of a mutated and a normally expressed FECH allele. The identification of the “low expressed” allele is facilitated by haplotype analysis using two single nucleotide polymorphisms, −251 A/G in the promoter region and IVS1−23C/T. At the current time when only partially effective therapies are available, the disclosures of both “null allele” and the “low expression” mechanisms will improve patient management. Conclusion While covering the important clinical aspect of erythropoietic protoporphyria, this article emphasises the latest achievements in the molecular genetics of the disorder.
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  • 20
    ISSN: 1432-1076
    Keywords: Key words Long-term late effects ; Childhood ; Cancer ; Therapy ; Follow-up examinations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Intensive multimodality treatment has led to a remarkable improvement of prognosis in paediatric cancer patients, however, a great number of long-term survivors suffer from considerable tumour- or treatment-related late effects. Between January 1990 and December 1998, 223 consecutive survivors of childhood malignancies entered a prospective follow-up study designed to evaluate the frequency and severity of tumour- and/or therapy-related long-term sequelae. After cessation of therapy and subsequently once a year, all patients underwent a detailed examination programme including physical examination, laboratory tests, abdominal sonography, echocardiography, electrocardiography, electroencephalography, spirometry, audiometry, ophthalmological examination and endocrine stimulation tests. Median follow-up was 5 years (range 0.4 to 9.6 years). A total of 167 patients (75%) had at least one chronic medical problem of whom 80 needed permanent medical support. The organ systems most frequently affected were the nervous system in 39%, the endocrine system in 32%, the ears/eyes in 22%, the kidneys in 17%, and the liver in 12% of the patients. Some late effects (endocrine deficits, hearing loss, tubulopathy) were primarily diagnosed only several years after the end of oncological therapy. Conclusion The results of this study indicate that a considerable number of former paediatric cancer patients suffer from remarkable long-term side-effects. Since life quality is an important parameter of cancer survival, careful follow-up of long-term survivors is mandatory with the aim to reduce or even abrogate possible side-effects at the earliest time.
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  • 21
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    Der Hautarzt 51 (2000), S. 604-611 
    ISSN: 1432-1173
    Keywords: Schlüsselwörter Thrombangiitis obliterans ; Morbus Winiwarter-Buerger ; Vaskulitis ; Diagnose ; Therapie ; Keywords Thromboangiitis obliterans ; Buerger's disease ; Vasculitis ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Thrombangiitis obliterans (Buerger disease) is a rare vascular disease, characterized by a multilocular, segmental, non-arteriosclerotic, thrombotic inflammation of small and medium size arterial and venous vessels and nerves. The precise etiology is unknown, but there is a cause-effect relationship with tobacco smoking. Autoimmunological, immunogenetical, infectious and hemostatic processes have been discussed as pathogenetic factors. The clinical picture is typically characterized by acrally localized, non-healing ulcerations, which frequently prompt patients to see a dermatologist. We present two patients with thromboangiitis obliterans and discuss the clinical features, the resulting differential diagnostic spectrum and possible therapeutic approaches.
    Notes: Zusammenfassung Die Thrombangiitis obliterans (Morbus Winiwarter-Buerger) ist eine seltene Gefäßerkrankung, die durch eine segmentale, multilokuläre, nichtarteriosklerotische, thrombosierende Entzündung der kleinen und mittleren Arterien und/oder Venen und Nerven charakterisiert ist. Die Ätiologie ist bis heute unklar. Es besteht ein kausaler Zusammenhang mit starkem Tabakkonsum. In der Literatur werden autoimmunologische, immungenetische, infektiöse oder hämostaseologische Ursachen diskutiert. Klinisch zeigt sich oftmals das Bild einer distalen arteriellen Ischämie mit einer akral gelegenen Ulzeration ohne Heilungstendenz. Viele Patienten suchen im Laufe einer progredienten, noch nicht diagnostizierten Thrombangiitis obliterans eine fachdermatologische Einrichtung auf. Anhand zweier Kasuistiken werden das Krankheitsbild, die differentialdiagnostische Bandbreite und die möglichen Therapieansätze dargestellt.
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  • 22
    ISSN: 1432-1173
    Keywords: Schlüsselwörter Lichen sclerosus et atrophicus ; Therapie ; CO2 Laser ; Keywords Lichen sclerosus et atrophicus ; Therapy ; Carbon dioxide laser
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract A 50 year old woman with distinct lichen sclerosus et atrophicus was suffering from severe genital itching, dyspareunia and increasing urinary burning. Therapy attempts with topical glucosteroids and estrogens had been without effort. Treatment with CO2 laser in silk touch mode under insufflation anesthesia to an improvement of her skin lesions and a nearly complete remission of her symptoms.
    Notes: Zusammenfassung Wir berichten über eine 50jährige Frau mit einem ausgeprägten Lichen sclerosus et atrophicus vulvae. Die Patientin litt unter stärkstem genitalen Pruritus, einer Dyspareunie und zunehmenden, brennenden Schmerzen beim Wasserlassen. Therapieversuche mit glukokortikosteroid- und östrogenhaltigen Externa erbrachten keine Besserung. Eine Behandlung in Intubationsnarkose mit dem CO2-Laser im Silk-touch-Modus führte zu einer Besserung der Hautveränderungen und zu einer beinahe kompletten Remission der subjektiven Beschwerden.
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  • 23
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    Archives of gynecology and obstetrics 263 (2000), S. 87-92 
    ISSN: 1432-0711
    Keywords: Key words Ectopic ; Tubal ; Pregnancy ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Ectopic pregnancy is a implantation occurring elsewhere than in the cavity of the uterus, whereas nintynine percent of extrauterine pregnancies occur in the fallopian tube. The incidence of extrauterine pregnancy has increased from 0.5% thirty years ago, to a present day 1–2%. The most frequent cause of tubal pregnancy is previous salpingitis. Mortality rates for tubal pregnancies used to be approximately 1.7% in the 1970 s but dropped to 0.3% in 1980 s. Diagnosis: Using transvaginal ultrasound it is possible to obtain positive evidence of an ectopic pregnancy at a very early stage. In cases of hCG titers〉2000 IU/l, intrauterine pregnancy can be diagnosed with certainty. The most important differential diagnosis of ectopic pregnancy is early intrauterine pregnancy. Clinical management and therapy: Regardless of the therapeutic strategy selected by the physician, informing the patient is a major aspect of the management of ectopic pregnancy. If surgery is considered appropriate, the patient must be informed about the nature, side effects and complications of the procedure. However, it should be remembered that in some cases, the actual chances of cure first become apparent at surgery. In asymptomatic patients with a serum hCG titer 〈1000 IU/l that is falling, it is appropriate to wait and watch. In clinically stable patients with an unruptured tubal pregnancy and steady hCG levels, systemic treatment with methotrexate might also be considered. In unruptured tubal pregnancy with a hCG titer between 1000 and 2500, a further therapeutic alternative is intratubal injection of prostaglandins, hyperosmolar glucose of NaCl. Generally speaking, the currently widespread laparoscopic surgical treatment of the fallopian tube hardly influences the risk of recurrence. If the gestational mass is larger, the serum hCG titer higher than the approximate limit of 2500 mU/ml and/or the tube already ruptured, surgery is usually required. Prevention: The most effective prevention is to avoid tubal inflammation or, in cases of preexisting inflammation, to administer effective therapy.
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  • 24
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    Archives of gynecology and obstetrics 264 (2000), S. 51-53 
    ISSN: 1432-0711
    Keywords: Key words Self-expanding metallic endovascular stents ; Endometrial cancer ; Iliac vein thrombosis ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  There are few cases, to our knowledge, that report the successful treatment of iliac venous stenosis due to gynecologic malignancies with the use of self- expanding metallic endovascular stents. Our patient, who had right lower limb edema, had iliac lymph node metastases which caused iliac vein stenosis by direct invasion from endometrial cancer. The patient was not considered to be a good surgical candidate. A 10-mm diameter self-expanding metallic endovascular stent was placed in the external iliac vein. The patient’s symptoms of right lower limb edema improved dramatically, and she was discharged at 3 weeks after stent placement. The patient had no further symptoms, with continued resolution of the right leg edema during the 10 months following stent placement, at which time she died from the primary disease. The treatment to this patient with a self-expanding metallic endovascular stent proved to be very efficacious and less stressful than direct venous reconstruction or femorofemoral venous bypass grafting. In addition, this procedure dramatically improved the patient’s quality of life.
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  • 25
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    Annals of hematology 79 (2000), S. 175-182 
    ISSN: 1432-0584
    Keywords: Monoclonal antibody ; Radioimmunotherapy ; Lymphoma ; Therapy ; Review
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
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  • 26
    ISSN: 1432-2013
    Keywords: Key words vitamin C (L-ascorbic acid) ; apoptosis ; human articular chondrocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Chondrocytes present in articular cartilage survive as a resident cell population throughout the lifespan of the individual organism. However, articular chondrocytes as other cells also undergo apoptosis and there is an ever increasing list of diverse stimuli that can induce this phenomenon in vitro. Our main interest was to investigate potential cytotoxic effects of vitamin C (L-ascorbic acid) on human articular chondrocytes. The present study suggests that vitamin C can induce apoptosis in a cell culture of chondrocytes after 18 h of cultivation. Apoptosis-inducing activity of L-ascorbic acid is dose dependent and significantly affected by the presence of serum. The increased number of vitamin C induced apoptotic cells was associated with DNA fragmentation and morphological changes of the cells.
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  • 27
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    Der Radiologe 40 (2000), S. 989-997 
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Bakterielle Meningitis ; Enzephalitis ; Diagnostik ; Therapie ; Keywords Bacterial meningitis ; Encephalitis ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Despite the progress, which has been made in diagnosis and therapy of encephalitis and bacterial meningitis, these acute inflammatory diseases of the brain still display a certain amount of morbidity and mortality. History, physical examination, analysis of serum and cerebrospinal fluid and radiological examination are the mainstay for the diagnosis of these diseases. With respect to the acute inflammatory diseases of the brain computed tomography and magnetic resonance imaging fulfill three purposes: 1. They can be used to clarify the diagnosis and to rule out other diseases. 2. They can identify the focus from which a bacterial meningitis can evolve. 3. Complications like edema, cerebral vasculitis, septic sinus thrombosis, hydrocephalus or abscess can be visualized. If the diagnosis is made early, the possible complications are recognized in good time and the appropriate therapy is started immediately, then morbidity and mortality can be kept at a minimum.
    Notes: Zusammenfassung Die bakterielle Meningitis und die Enzephalitis sind akut-entzündliche Hirnerkrankungen, die trotz aller Fortschritte in der Diagnostik und Therapie mit einer nicht unerheblichen Morbidität und Mortalität behaftet sind. Die Anamnese, die körperliche Untersuchung, die laborchemische Diagnostik von Blut und Liquor und die Bildgebung sind die wesentlichen Säulen in der Diagnostik akut-entzündlicher Hirnerkrankungen. Die Bildgebung, die mittels Computertomographie bzw. Kernspintomographie erfolgt, hat in diesem Zusammenhang 3 Aufgaben: 1. Sie kann dazu beitragen, die Diagnose zu sichern bzw. differentialdiagnostisch in Erwägung zu ziehende Erkrankungen auszuschließen oder nachzuweisen. 2. Sie kann bei der bakteriellen Meningitis entzündliche Foci im Bereich der Nasennebenhöhlen, des Mastoids oder des Mittelohrs erkennen, die sofort operativ saniert werden müssen. 3. Komplikationen akut-entzündlicher Hirnerkrankungen können bei entsprechendem klinischem Verdacht mittels Bildgebung nachgewiesen werden. Hirnödem, vaskulitische Infarkte, septische Sinusthrombose, Hydrozephalus oder Abszess stellen die wesentlichen Komplikationen dar, die zur Morbidität und Mortalität akut-entzündlicher Hirnerkrankungen beitragen und die umgehend mit einer spezifischen Therapie angegangen werden müssen.
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  • 28
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    Der Schmerz 14 (2000), S. 429-434 
    ISSN: 1432-2129
    Keywords: Schlüsselwörter Interdisziplinäre Schmerzkonferenz ; Diagnose ; Therapie ; Keywords Interdisciplinary pain conference ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Background. In the interdisciplinary Pain Conference, pain specialists of various disciplines discussed – partly in the presence of the concerned patient – explanations as to the cause of a specific pain. The following example portrays the events of the conference. Case report. In this case, despite extensive diagnostics, no explanation due to an organ failure could be found for a 74-year-pld man with worsening neurological pain above the knee. The patient's desire the change was so strong that after ineffective outpatient care and different operations, such as hernitomy, fibroma removal and the implantation of an epidural stimulating electrode (SCS), other inpatient pain therapies followed using anasthesiological, balneophysical and psychological techniques, as well as medications. Diagnosis and therapy. The interdisciplinary discussion, including all the various diagnostical findings and the results of the therapeutical efforts, lead to the decision by conference participants to use the new electrophysical and imaging diagnostics. This lead to the discovery of a leiomyosarcoma, which had surrounded the N. obtoratius. After the removal surgery, the pain was gone and the pain medications being used could gradually be dropped.
    Notes: Zusammenfassung Hintergrund. In interdisziplinären Schmerzkonferenzen diskutieren Fachvertreter unterschiedlicher, am Schmerz beteiligter Disziplinen – teilweise in Anwesenheit des betroffenen Patienten – um zur Klärung einer schwierigen Schmerzerkrankung beizutragen. Exemplarisch wird ein entsprechender Ablauf dargestellt. Fallbericht. Bei dem vorgestellten Fall handelt es sich um einen 74-jährigen Mann mit einem über Jahre stärker werdenden neuralgischen Oberschenkelschmerz, der trotz umfangreicher Diagnostik keinem organischen Korrelat zugeordnet werden konnte. Der Leidensdruck des Patienten war so erheblich, dass nach ineffektiven ambulanten Behandlungsversuchen verschiedene Operationen wie Herniotomie, Fibromentfernungen und die Implantation einer epiduralen Stimulationselektrode (SCS) sowie wiederholte stationäre schmerztherapeutische Interventionen mit anästhesiologischen, balneophysikalischen und psychologischen Techniken und medikamentösen Konzepten erfolgten. Diagnose und Therapie. Der interdisziplinäre Austausch, die differenzialdiagnostische Sichtung sämtlicher Befunde unter Einschluss der Ergebnisse bisheriger therapeutischer Bemühungen führte zum Beschluss der Konferenzteilnehmer, eine erneute differenzierte elektrophysiologische und bildgebende Diagnostik durchzuführen. Diese führte zur Aufdeckung eines Leiomyosarkoms, welches den N. obturatorius ummauerte. Nach operativer Entfernung stellte sich Schmerzfreiheit ein, sodass die bisherige Schmerzmedikation allmählich abgesetzt werden konnte.
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  • 29
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    Diseases of the colon & rectum 43 (2000), S. 1206-1212 
    ISSN: 1530-0358
    Keywords: Fistula-in-ano ; Recurrence ; Incontinence ; Quality of life ; Lifestyle ; Satisfaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: The surgical treatment of fistula-in-ano frequently results in recurrence of the fistula or postoperative anal incontinence. Despite these problems, most patients are satisfied with the results of their surgery. To clarify this apparent discrepancy, we attempted to identify factors that affect patient's lifestyles and may contribute to their satisfaction. METHODS: A questionnaire was mailed to 624 patients surgically treated for cryptoglandular fistula-in-ano at the University of Minnesota during a five-year period. Three hundred seventy-five patients returned their questionnaires. Patients who were followed up for a minimum of one year were included in this retrospective study. Associations between postoperative complications and patient satisfaction were identified by chi-squared tests and multiple logistic regression. Attributable fractions for patient dissatisfaction were calculated using study population dissatisfaction rates. RESULTS: Patient satisfaction was strongly associated with fistula recurrence, difficulty holding gas, soiling of undergarment, and accidental bowel movements. Effects of incontinence on patient quality of life were also significantly associated with patient satisfaction as was the number of lifestyle activities affected by incontinence. Patients with fistula recurrence reported a higher dissatisfaction rate (61 percent) than did patients with anal incontinence (24 percent), but the attributable fraction of dissatisfaction for incontinence (84 percent) was greater than that for fistula recurrence (33 percent). Patient satisfaction was not significantly associated with age, gender, history of previous fistula surgery, type of fistula, surgical procedure, time since surgery, or operating surgeon. CONCLUSION: Patient satisfaction after surgical treatment for fistula-in-ano is associated with recurrence of the fistula, the development of anal incontinence, and with the effects of anal incontinence on patient lifestyle. In our series of patients treated mainly with laying open of the fistula tract, patients with fistula recurrence had a higher dissatisfaction rate than did patients with anal incontinence. However, because anal incontinence was more prevalent than fistula recurrence, a higher fraction of dissatisfaction was attributable to anal incontinence.
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  • 30
    ISSN: 1534-4681
    Keywords: Breast cancer ; Quality of life ; Mental health ; Surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The aim of the present study was to examine whether type of surgery, age, and time since surgery influenced psychological distress and quality of life (QOL) in women treated for breast cancer. Methods: We surveyed 183 women who had undergone surgery for breast cancer. Psychological distress was measured with the Mental Health Inventory and QOL was measured with the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire. Results: After controlling for stage of disease, radiation treatment, and age, there was a statistically significant interaction between type of surgery and time since surgery for the Mental Health Inventory total score, and a marginal interaction between type of surgery and time since surgery for the Global health status/QOL score. Women who had breast conservation surgery experienced significantly greater levels of psychological distress and marginally worse QOL from 40 months after surgery onward than did women who received a mastectomy. Conclusions: The effects of different surgical treatments for breast cancer on psychological distress and QOL become apparent only after a period of several years. Women, therefore, need counseling on the potentially positive and negative psychological implications of different surgical treatments for breast cancer.
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  • 31
    ISSN: 1530-0358
    Keywords: Fecal incontinence ; Quality of life ; Health surveys ; Reproducibility of results ; Outcome assessment (health care)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: This goal of this research was to develop and evaluate the psychometrics of a health-related quality of life scale developed to address issues related specifically to fecal incontinence, the Fecal Incontinence Quality of Life Scale. METHODS: The Fecal Incontinence Quality of Life Scale is composed of a total of 29 items; these items form four scales: Lifestyle (10 items), Coping/Behavior (9 items), Depression/Self-Perception (7 items), and Embarrassment (3 items). RESULTS: Psychometric evaluation of these scales demonstrates that they are both reliable and valid. Each of the scales demonstrate stability over time (test/retest reliability) and have acceptable internal reliability (Cronbach alpha 〉0.70). Validity was assessed using discriminate and convergent techniques. Each of the four scales of the Fecal Incontinence Quality of Life Scale was capable of discriminating between patients with fecal incontinence and patients with other gastrointestinal problems. To evaluate convergent validity, the correlation of the scales in the Fecal Incontinence Quality of Life Scale with selected subscales in the SF-36 was analyzed. The scales in the Fecal Incontinence Quality of Life Scale demonstrated significant correlations with the subscales in the SF-36. CONCLUSIONS: The psychometric evaluation of the Fecal Incontinence Quality of Life Scale showed that this fecal incontinence-specific quality of life measure produces both reliable and valid measurement.
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  • 32
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    Diseases of the colon & rectum 43 (2000), S. 1497-1502 
    ISSN: 1530-0358
    Keywords: Ulcerative colitis ; Quality of life ; Pelvic pouch ; Dysplasia ; Cancer ; Colitis-associated neoplasia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: Despite high patient satisfaction with a pelvic pouch, patients experience some bowel dysfunction. Patients whose indication for surgery is neoplasia may have near-normal preoperative bowel function. We hypothesized that these patients would be less accepting of a poorer functional status after surgery, reflected in a poorer measure of quality of life. METHOD: Sixteen patients who had dysplasia or cancer as the primary indication for surgery were compared with a matched control group whose indication for surgery was failed medical therapy. Quality of life was assessed using one disease-specific instrument, the Inflammatory Bowel Disease Questionnaire, two generic quality-of-life instruments, the Sickness Impact Profile and the Short Form 36, and two utility assessments. RESULTS: The groups were well matched with no significant differences in functional outcome. Quality-of-life scores were high in both groups and there were no significant differences in overall quality of life between the two groups using all five instruments. There was evidence of a response shift phenomenon in the failed medical therapy control group. CONCLUSION: Quality of life of patients who have a pelvic pouch for colitis-associated neoplasia is excellent and the same as that of patients who have a pouch for failure of medical therapy.
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  • 33
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    Diseases of the colon & rectum 43 (2000), S. 326-332 
    ISSN: 1530-0358
    Keywords: Laparoscopic surgery ; Aged ; Colorectal surgery ; Morbidity ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: The aim of this study was to determine rates of complications and extent of benefits for laparoscopic-assisted colectomy compared with open colectomy in patients older than age 75. METHODS: Forty-two patients undergoing laparoscopic-assisted colectomy (1992–1998) were matched to 42 open colectomy patients for gender, age, year of surgery, operating surgeon, and procedure. Health status (American Society of Anesthesiology score), previous abdominal surgery, conversion rate, surgical outcome, and need for assistance at admission and dismissal (independencevs. home with assistancevs. nursing facilities) were reviewed. RESULTS: Mean ages were 81.2 and 80.5 years for laparoscopic-assisted colectomy and open colectomy, respectively (P=not significant). Twenty-one laparoscopic-assisted colectomy and 23 open colectomy patients were females. American Society of Anesthesiology scores were comparable, as were rates of previous abdominal surgery (57 percent for laparoscopic-assisted colectomyvs. 62 percent for open colectomy;P=not significant). Mean operative times were longer for laparoscopic-assisted colectomy (190 minutes for laparoscopic-assisted colectomyvs. 142 minutes for open colectomy;P〈0.001); operating room times progressively decreased from 221 minutes in 1992 to 1995 to 147 in 1998 for laparoscopic right hemicolectomy (P〈0.001). The conversion rate for laparoscopic-assisted colectomy was 14.3 percent. There were no deaths in either group, and laparoscopic-assisted colectomy was associated with fewer morbidities (14.3 percent for laparoscopic-assisted colectomyvs. 33.3 percent for open colectomy;P=0.04), narcotic usage (2.7vs. 4.8 days;P〈0.001), time to return to bowel movements (3.9vs. 5.9 days;P〈0.001), and length of hospital stay (6.5vs. 10.2 days;P〈0.001). Independent status at admission in 37 laparoscopic-assisted colectomy and 38 open colectomy patients was maintained at discharge by 35 laparoscopic-assisted colectomyvs. 29 open colectomy patients (P=0.025). CONCLUSIONS: Laparoscopic-assisted colectomy is safe and beneficial, including preservation of postoperative independence, to the elderly when compared with open colectomy.
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  • 34
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    Ethik in der Medizin 12 (2000), S. 139-153 
    ISSN: 1437-1618
    Keywords: Key words: Motion pictures ; Medical ethics ; Physician-patient relationship ; Truth disclosure ; Informed consent ; Third-party consent ; Quality of life ; Euthanasia ; Terminally ill ; Schlüsselwörter: Film ; Medizinethik ; Arzt-Patient Beziehung ; Aufklärung ; Wahrheit sagen ; informed consent ; Lebensqualität ; Sterbehilfe ; Heilversuche
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Philosophy
    Description / Table of Contents: Zusammenfassung. Filme erzählen Geschichten. Spannungsvoll sind dabei vor allem jene Szenen, in denen Menschen vor Entscheidungskonflikte gestellt werden. Medizinethische Konflikte tauchen dabei nicht nur in Arztserien oder Krankheitsdarstellungen auf, sondern häufig in Genres, in denen diese Thematik kaum vermutet wird: Komödien, Western, Liebesfilmen, Gangster- und Kriminalfilmen. Indem Filme derartige Konflikte inszenieren und Lösungen bieten, greifen sie auf moralische Werthaltungen zurück und sind zugleich Seismographen für die gesellschaftliche Relevanz medizinethischer Themenfelder. Allerdings können im Film ethische Prinzipien der Entscheidungsfindung der Dramaturgie der Handlung zum Opfer fallen. Eine Analyse der dargestellten Konfliktsituationen ähnelt einer medizinethischen Fallbesprechung und stellt eine hilfreiche Ergänzung für die Vermittlung analytischer und kommunikativer Kompetenzen dar.
    Notes: Abstract. Movies tell stories. Thrilling are especially those situations, when people have to make ethical decisions. Issues of medical ethics crop up not only in hospital series, but often in genres where this subject is hardly to be supposed: comedies, westerns, love stories and gangster movies. Enacting these conflicts means offering a solution, and in doing so films refer to moral values and – at the same time – function as seismographs for the social relevance of bioethical topics. But it is possible that ethical principles of good decision-making fall victims to the drama of the story. Analysis of the portrayed conflict is similar to a case discussion in bioethics and represents a helpful adjunct to the procurement of analytical and communicative competences.
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  • 35
    ISSN: 1530-0358
    Keywords: Recurrent rectal cancer ; Cost-effectiveness analysis ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: This study was performed to determine the quality of life and cost-effectiveness of therapeutic options for patients with locally recurrent rectal carcinoma, determined from the perspectives of patients and health care providers. METHODS: We reviewed the records of patients (N=68) with locally recurrent rectal carcinoma evaluated from 1992 through 1995. We constructed a decision-analytic model incorporating outcomes, survival, and costs. Utilities were elicited from convenience samples of health care providers and patients using the standard gamble technique. RESULTS: The median survival for patients undergoing surgical resection (n=40) was 42 months, compared with 16.8 months for patients undergoing diagnostic or palliative surgery (n=16) and 18.3 months for patients treated nonoperatively (n=12;P〈0.005). The mean cost of treatment per patient was $19,283 for the nonoperative group, $45,647 for the diagnostic or palliative surgery group, and $70,878 for the surgical resection group. The diagnostic or palliative surgical strategy was dominated by the nonoperative strategy because the former had greater costs with fewer health benefits. The incremental cost-utility ratio of surgical resection compared with nonoperative management using health care provider utilities was $109,777 per quality-adjusted life year gained; it was reduced to $56,698 using per quality-adjusted life year using mean patient utilities. CONCLUSIONS: Patients with recurrent rectal carcinoma view surgery and morbidity to be less severe than health care providers. Diagnostic or palliative surgery is expensive and affects quality-adjusted survival adversely compared with nonoperative therapy. Surgical resection may be a cost-effective use of resources, particularly when cost-effectiveness is calculated using patient preferences.
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  • 36
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    Diseases of the colon & rectum 43 (2000), S. 650-655 
    ISSN: 1530-0358
    Keywords: Loop ileostomy ; Loop colostomy ; Quality of life ; Stoma complications
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: The hypothesis is that the impact of a temporary stoma on a patient's daily life is determined by complications and related stoma care problems. METHOD: A prospective clinical trial was performed, studying complications and social well-being of 37 patients with loop ileostomy and 39 patients with a loop colostomy (randomly assigned comparison). Patients were categorized according to degree of social restriction. The association between the degree of social restriction and the presence of stoma care problems and complications was assessed. Follow-up was scheduled every three months until the stoma was closed (94 percent). RESULTS: There is no relation between stoma type (ileostomy or colostomy) and degree of social restriction (chi-squared test,P=0.42). The more stoma care problems or complications seen, the higher the degree of social restriction: significantly more stoma care problems were seen in the completely isolated group of patients when compared with the patients who were less socially restricted (Spearman correlation coefficient 1=0.35,P=0.003). Especially stoma leakage, peristomal skin irritation, dietary prescriptions, retraction, and prolapse of the stoma have significant impact on the patient's daily life. CONCLUSION: Stoma surgery has a great influence on a patient's daily life. There is a clear relation between the number of stoma care problems and the degree of social restriction. Follow-up of stoma patients under close surveillance of stoma care nurse to minimize stoma care problems and a careful surgical technique are advocated for good stoma care.
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  • 37
    ISSN: 1530-0358
    Keywords: Rectal cancer ; Sphincter preservation ; Functional outcome ; Quality of life ; Intraoperative radiation therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: Locally advanced primary and recurrent rectal cancers treated with external beam radiation therapy, intraoperative radiation therapy, and chemotherapy represent a complex group of patients in the setting of extensive pelvic surgery and sphincter preservation. We sought to define functional outcome and quality of life in this subset of patients. METHODS: We retrospectively reviewed our experience with locally advanced primary and recurrent rectal cancer patients who underwent intraoperative radiation therapy with either low anterior resection (n=12) or coloanal anastomosis (n=6) between 1991 and 1998. Current functional outcome and quality of life were evaluated by a detailed questionnaire. RESULTS: Median time from operation to assessment was 24 (range, 6–93) months. Using a standardized Sphincter Function Scale, incorporating the number of bowel movements per day and degree of incontinence, patients were graded as poor, fair, good, or excellent function. Of all patients, 56 percent reported unfavorable (poor or fair) function. Of the subset of patients with coloanal anastomosis or very low low anterior resection, 88 percent had unfavorable function as compared with 30 percent with standard low anterior resection. (P=0.02; Fisher's exact probability test). A quality-of-life satisfaction score based on social, professional, and recreational restrictions demonstrated 56 percent of patients to be dissatisfied with their bowel function. CONCLUSIONS: The majority of patients with advanced rectal cancers who require external beam radiation therapy, extensive pelvic surgery, and intraoperative radiation therapy report unfavorable functional and quality-of-life outcomes after sphincter preservation. In this setting patients being considered for coloanal anastomosis or very low anterior resection may be better served by permanent diversion.
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  • 38
    ISSN: 1534-4681
    Keywords: Quality of life ; Cystectomy ; Urinary diversion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: In this study, we used a previously well-validated survey to assess the impact of different forms of urinary diversion on overall quality of life in patients with bladder cancer. Methods: A total of 92 patients, having three different forms of urinary diversion after radical cystectomy, completed by mail the SF-36, a validated quality-of-life survey. All patients had local(regional disease at the time of cystectomy and are currently without evidence of disease. Completed surveys were then analyzed into physical (PCS) and mental (MCS) component quality-of-life scores per published protocols. Results were then compared with published age-based norms. Results: A total of 38 men who had cystectomy and ileal neobladder had a mean PCS (6SD) of 48.4 (7.8) and a mean MCS of 51.0 (7.4); 16 men and women who had cystectomy and Indiana Pouch had a mean PCS of 48.4 (8.9) and a mean MCS of 55.7 (3.8). None of these results is statistically different from published age- and sex-based population norms. Thirty-eight men who had cystectomy and ileal conduit had a mean PCS of 41.4 (8.5) and a mean MCS of 48.2 (10.7). The PCS is not statistically different from the population-based norm; however, the MCS is significantly decreased from the published norm (P 5.01). Conclusions: Patients with ileal conduits have significantly decreased mental health quality of life whereas patients with continent urinary diversions do not. Therefore, when not medically contraindicated, patients should be offered a continent diversion as the diversion of choice after cystectomy.
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  • 39
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    Annals of surgical oncology 7 (2000), S. 367-375 
    ISSN: 1534-4681
    Keywords: Outcomes ; Surgical oncology ; Review ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: There have been significant developments and advances in the area of outcomes research in the past 25 years. Unfortunately, many surgical oncologists may not have a clear concept of outcomes research and the methodology involved. Methods: A literature-based review article was done that included an overview of outcomes research, and study design and types, outcome measures, outcome instruments, and sources of outcome data were examined. In addition, we reviewed small area variation(volume outcome analysis as well as quality-of-life studies and their applications in surgical oncology clinical investigation. Specific examples from surgical oncology were identified. Results: As the costs of health care have increased, so has the emphasis on measuring outcomes of medical and surgical care to determine the quality and appropriateness of care. Marked variations in a variety of outcomes after oncological procedures have been attributed to individual surgeon and institution characteristics. Because much of the clinical surgical oncology literature deals only with the traditional mortality and morbidity outcomes, a more comprehensive examination of patient outcomes is required to fully evaluate the impact of patient management decisions. Health-related quality of life can be measured and analyzed in several ways and decisions regarding the use of such methodology are dependent on multiple factors. Conclusions: Surgical oncologists should recognize that the true value of their interventions requires systematic and comprehensive examination of patient outcomes.
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  • 40
    ISSN: 1569-8041
    Keywords: 5-fluorouracil ; antifolates ; apoptosis ; DNA repair ; p53 ; thymidylate synthase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Thymidylate synthase (TS) is an essential enzyme for the de novo synthesis of thymidylate and subsequently DNA synthesis. TS has been usedas a target for cancer chemotherapy in the development of fluoropyrimidinessuch as 5-fluorouracil (5-FU) and 5-fluorodeoxyuridine and of novelfolate-based TS inhibitors such as ZD1694 (Tomudex, Raltitrexed), ZD9331,LY231514 (ALIMTA, Pemetrexed), AG337 (Thymitaq, Nolatrexed) and AG331.Although TS has been considered as a target for chemotherapy, the precisemechanism by which TS inhibition leads to cell death is still not completelyresolved. TS inhibition results in depletion of dTTP, an essential precursorfor DNA, and an increase in dUTP. This results in the so-called thymine-lessdeath due to misincorporation of dUTP into DNA; its excision, catalysed byuracil-DNA glycosylase, results in DNA damage. Both this imbalance indTTP/dUTP and DNA damage can result in induction of downstream events, leadingto apoptosis. On the other hand a specific interaction exists betweenoncogenes and TS, by binding of TS protein to the p53and c-mycRNA, while wt p53can also inhibit TS promotor activity. TSinhibition by either 5-FU or antifolates can also result in a depression ofTS protein mediated inhibition of TS mRNA translation leading to induction ofmore TS protein synthesis, and p53protein may further deregulatethis process. These complex indirect and direct interactions between oncogenesand TS may have as yet unclear clinical implications, since most data arebased on in vitroor in vivo studies and some results arecontradictive. In some preliminary clinical studies evidence was postulatedfor a combined prognostic role for TS and p53.This knowledge shouldbe used to design clinical studies with the aim to deliver effective treatmentto potentially sensitive patients both in the adjuvant setting and in advancedstage disease.
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    Virus genes 20 (2000), S. 143-147 
    ISSN: 1572-994X
    Keywords: equine arteritis virus ; cell infection ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Equine arteritis virus (EAV) is the etiological agent of equine viral arteritis, a contagious viral disease of equids. EAV is the prototype virus of the arteriviruses, a group of small enveloped viruses with positive single-stranded RNA genomes. Because apoptosis or programmed cell death is believed to play an important role in the biogenesis of several cytopathogenic viruses, we examined whether EAV was able to induce cell apoptosis in vitro. To do this, Vero cells were infected with EAV at a multiplicity of infection of 0.1 tissue culture infectious dose (TCID50) per cell, and analyzed at various time intervals for the appearance of apoptotic signs. Fragmentation of chromosomal DNA into nucleosomal oligomers and caspase activation were observed in the infected cells at the time (e.g. 24 h postinfection) where a noticeable cytopathic effect was observed. The kinetics of the DNA fragmentation correlated with that of the production of progeny virus, so that viral multiplication was not interrupted by the apoptotic cell damage. All these data provide evidence that EAV is able to induce apoptotic cell death in vitro.
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    Virus genes 21 (2000), S. 13-25 
    ISSN: 1572-994X
    Keywords: adenovirus E3 proteins ; E3 protein sequence comparison ; immune evasion ; interference with antigen presentation ; CD95 (Fas/APO-1) ; apoptosis ; receptor down-regulation ; TNF mediated lysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Persistent viruses have evolved multiple strategies to escape the host immune system. One important prerequisite for efficient viral reproduction in the face of an ongoing immune response is prevention of premature lysis of infected cells. A number of viruses achieve this goal by interfering with antigen presentation and recognition of infected cells by cytotoxic T cells (CTL). Another viral strategy aims to block apoptosis triggered by host defense mechanisms. Both types of strategies seem to be realized by human adenoviruses (Ads). The early transcription unit E3 of Ads encodes proteins that inhibit antigen presentation by MHC class I molecules as well as apoptosis induced by tumor necrosis factor α (TNF-α) and Fas ligand (FasL). Here, we will describe the organization of the E3 regions of different Ad subgroups and compare the structure and functions of the known immunomodulatory E3 proteins.
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    Virus genes 21 (2000), S. 97-109 
    ISSN: 1572-994X
    Keywords: myxoma virus ; immuno-modulator ; viroceptor ; TNF receptor ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Myxoma virus, a member of the poxvirus family of DNA viruses, encodes many virulence factors to combat and evade the host immune responses. Among the virus-encoded immuno-modulators is M-T2, a tumor necrosis factor receptor (TNF-R) homologue. M-T2 is secreted as monomeric and dimeric species that bind and inhibit rabbit TNF in a species-specific manner. Deletion analysis indicates that the anti-TNF function is mediated by the first three of four cysteine rich domains (CRDs) of M-T2. In addition, the intracellular form of M-T2 has the ability to block virus-induced apoptosis in lymphocytes, and the first two CRDs appear to be sufficient for this function. Although the mechanisms for the anti-TNF and anti-apoptotic functions of M-T2 are not yet fully defined, we postulate that these dual activities of M-T2 are mediated through different functional motifs and abrogate distinct cellular responses to virus infection.
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  • 44
    ISSN: 1572-994X
    Keywords: apoptosis ; bZIP ; coiled body ; herpesvirus ; Jun ; nucleolus ; oncogene ; transactivation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In order to adapt to and to cope with an often hostile host environment, many viruses have evolved to encode products that are homologous to cellular proteins. These proteins exploit the existing host machinery and allow viruses to readily integrate into the host functional network. As a result, viruses are able to maneuver their journey seemingly effortlessly inside the host cell to achieve ultimate survival. Such molecular mimicries sometime go overboard, allowing viruses to overtake the cellular pathways or evade the immune system as do many of the retroviral oncogenes. Retroviral oncogenes are derived directly from host genes, and they are virtually identical to host genes in sequences except those mutations that make them unregulatable by host. Oncogenic herpesviruses also encode oncogenes, or transforming genes, which have independently evolved and are distantly related to host genes. However, these genes do share consensus structural motifs with cellular genes involved in cell growth and apoptosis and are functional analogues to host genes. The Marek's disease virus oncoprotein, MEQ, is one such example. MEQ is a basic region-leucine zipper (bZIP) transactivator which shares extensive homology with the Jun/Fos family of transcription factors within the bZIP domain, but not in other regions. Like all other bZIP proteins, MEQ is capable of dimerizing with itself and with a variety of bZIP partners including c-Jun, B-Jun, c-Fos, CREB, ATF-1, ATF-2, and SNF. MEQ-Jun heterodimers bind to a TRE/CRE-like sequence in the meq promoter region and have been shown to up-regulate MEQ expression in both chicken embryo fibroblasts and F9 cells. In addition, the bZIP and transactivation domains are interchangeable between MEQ and c-Jun in terms of transforming potential; i.e. MEQ can functionally substitute for c-Jun. These properties enable MEQ to engage in host cell processes by disguising itself as c-Jun. On the other hand, there are properties of MEQ notably different from c-Jun, which include its capability to bind RNA, to bind a CACAC-bent DNA structure as a homodimer, to inhibit apoptosis, and to interact with CDK2. MEQ’s subcellular localization in the nucleolus and coiled body, is also different from Jun/Fos family of transactivators. These unique features may provide the MEQ with additional facility in regulating MDV replication, establishing latency, and cellular transformation. In this review, we will attempt to summarize the past research progress on MDV meq, with a focused on the similarities and differences between MEQ and cellular proteins, and between MEQ and other viral oncoproteins.
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    Mund-, Kiefer- und Gesichtschirurgie 4 (2000), S. S068 
    ISSN: 1434-3940
    Keywords: Schlüsselwörter ; Kraniofaziale Fehlbildungen ; Deformationen des Hirn- und Gesichtsschädels ; Therapie ; Frontoorbitales Advancement ; Key words ; Craniofacial malformations ; Craniofacial skull deformations ; Therapy ; Frontoorbital advancement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Most craniofacial malformations result from a premature fusion of skull sutures. Depending on the scope of the sutures affected, the results are more or less distinct deformations of the facial and cranial skull with substantial negative effects on functional as well as esthetic aspects. The etiopathology is still unclear. Various therapies have been developed over the past 100 years. However, Tessier’s technique of fronto-orbital advancement has been an important milestone in the treatment of these malformations. Numerous adjustments have since perfected this operational technique. It is now possible to treat practically all skull malformations with the surgical techniques available today. At the same time, these techniques have also aided the advancements in tumor surgery and traumatology.
    Notes: Zusammenfassung Kraniofaziale Fehlbildungen entstehen überwiegend durch die vorzeitige Verknöcherung von Schädelnähten. Je nach Nahtbefall resultieren daraus mehr oder weniger ausgeprägte Deformationen des Hirn- und Gesichtsschädels, die sowohl zu einer funktionellen als auch zu einer ästhetischen Beeinträchtigung führen. Die Ätiopathogenese ist noch weitgehend ungeklärt. In den vergangenen 100 Jahren wurden verschiedene Therapieansätze entwickelt, wobei Tessier mit der Technik des frontoorbitalen Advancements der entscheidende Fortschritt gelang. Aufbauend auf dieser Operationstechnik wurden bis heute zahlreiche Verbesserungen eingebracht. Mit den heutigen Operationstechniken ist es möglich, praktisch alle Schädelfehlbildungen zu therapieren. Gleichzeitig konnten durch diese Techniken auch Fortschritte in der Tumorchirurgie und der Traumatologie erzielt werden.
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    Mund-, Kiefer- und Gesichtschirurgie 4 (2000), S. S076 
    ISSN: 1434-3940
    Keywords: Schlüsselwörter ; Gefäßmalformation ; Nervenmalformation ; Neurofibromatose ; Hämangiom ; Therapie ; Key words ; Vascular malformation ; Neural malformation ; Neurofibromatosis ; Hemangioma ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The presentation of vascular and neural malformations in an understandable terminology permits accurate diagnosis, proper treatment, individualized prognosis, and also stimulates studies of pathogenesis. The descriptive classification includes: NF 1 and NF 2; hemangiomas, low- and high-flow vascular malformations, combined malformations, and hypertrophy; and syndromes such as, Parkes Weber, Klippel-Trénaunay, Maffuci’s, and multiple dysplasia syndromes. Lymphatic malformations are abnormalities of lymphatic development. The list of treatment includes surgical and nonsurgical treatment. Not all vascular malformations can be successfully treated. Coping with NF is a challenge for both, affected individuals and health care professionals. NF is often associated with a myriad of anomalies that present a lot of problems for plastic surgery. In certain cases watchful waiting seems justified but not in cases of severe problems, giant growth, and local complications.
    Notes: Zusammenfassung Die Frage der Terminologie ist im Zusammenhang mit vaskulären und nervalen Malformationen besonders wichtig. Dies gilt nicht nur im Hinblick auf die Wahl des richtigen Therapieverfahrens, sondern auch im Hinblick auf die individuell ausgerichtete Prognose und natürlich auch zur Beantwortung der die Pathogenese betreffenden Fragen. Es ist klar, dass bei Besprechung der Neurofibromatose zunächst an die NF 1 und NF 2 gedacht wird, die Hämangiome werden entsprechend ihrer Durchblutung und auch im Hinblick auf die Kombination mit den so ¶genannten Hypertrophiesyndromen, die später im Text genannt werden, eingeteilt. Dass die Bezeichnung Lymphangiom impliziert, es handle sich um einen Tumor, mag nicht ganz richtig sein, da anscheinend die für Tumoren üblichen Mitosen vermisst werden. Interessant ist das therapeutische Spektrum und dies gilt für alle Malformationen der Gefäße und Nerven, aber ganz besonders natürlich für die Neurofibromatose und die Hämangiome. Mit der NF konfrontiert zu sein, bedeutet für den Patienten und das ärztliche Personal eine lebenslange Herausforderung, darüber hinaus ist die NF häufig mit einer Unzahl von Einzelproblemen vergesellschaftet, die für die plastische Chirurgie z. T. schwere oder nicht zu lösende Probleme darstellen. Die große Zahl an Therapievorschlägen zeigt, dass die Gefäßmalformationen zum einen sehr unterschiedliche Probleme zeigen, und zum anderen, dass es kaum ein Therapieverfahren gibt, welches keinen Wunsch offen lässt. Wichtig ist der Hinweis, dass schnell wachsende Hämangiome durchaus im Anfangsstadium entfernt werden sollten, zuwartende Haltung ist in bestimmten Fällen gerechtfertigt, aber nicht, wenn sich schwere Probleme, Riesenwachstum und lokale Komplikationen einstellen.
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    Mund-, Kiefer- und Gesichtschirurgie 4 (2000), S. S110 
    ISSN: 1434-3940
    Keywords: Schlüsselwörter ; Unterkiefer ; Gelenkfortsatzfrakturen ; Diagnostik ; Therapie ; Key words ; Mandible ; Condylar neck fracture ; Diagnostic ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Among mandibular fractures, those of the condylar neck hold a special position due to the exceptional anatomical situation. Computer assisted tomography and magnetic resonance tomography have improved diagnostic evaluation. Indication for surgical treatment is given in cases of severely displaced or dislocated fractures. In surgical management, the preauricular, submandibular, retromandibular, and oral approach have been established. For sufficient fixation of fragments, procedures rendering a functional stability, like osteosynthesis with lag screw or by miniplating, are required.
    Notes: Zusammenfassung Die Gelenkfortsatzfrakturen nehmen aufgrund der besonderen anatomischen Situation eine Sonderstellung innerhalb der Unterkieferfrakturen ein. Die Computertomographie und das MRT haben die Diagnostik wesentlich verbessert. Die Indikation zur operativen Behandlung besteht bei stark dislozierten oder luxierten Frakturen. Als operativer Zugang sind der präaurikuläre-, sub- bzw. perimandibuläre, retromandibuläre und orale Zugang etabliert. Zur Fixation der Fragmente sollten ausschließlich funktionsstabile Verfahren, wie die Miniplatte oder Zugschraube verwendet werden.
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  • 48
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    Trauma und Berufskrankheit 2 (2000), S. S450 
    ISSN: 1436-6274
    Keywords: Schlüsselwörter Psychisches Trauma ; Psychische Störungen ; Versicherungsschutz ; Kausalität ; Heilverfahrenssteuerung ; Therapie ; Begutachtung ; Keywords Psychological trauma ; Psychological disorders ; Insurance cover ; Legal causality ; Case management ; Therapy ; Expert reviewing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Accident insurance agencies are confronted with an increasing number of cases in which psychological damage occurs immediately at the time of the traumatic events, or in their aftermath. This article reviews the stipulations governing insurance cover and benefits and the legal principles of causality issues in the case of psychological traumas and disorders resulting from such incidents. Insurance agencies face special challenges for case mangagement, since there are no well-established procedures for physicians and hospitals to follow in such cases. Irrespective of the often difficult causality and liability issues, immediate therapy should be given absolute priority. More attention should be paid to psychological damage, with the aims of improving methods of medical rehabilitation and establishing guidelines for expert review in such cases.
    Notes: Zusammenfassung Die Unfallversicherungsträger sind mit einer zunehmenden Zahl von Fällen konfrontiert, bei denen psychische Gesundheitsschäden unmittelbar bei dem Unfallereignis auftreten oder sich nachfolgend entwickeln. Der Beitrag gibt einen Überblick über Grundsätze des Versicherungsschutzes und Kausalitätsfragen bei psychischen Traumen und psychischen Störungen als Folge eines Versicherungsfalls. Für die Unfallversicherungsträger ergeben sich besondere Anforderungen an die Steuerung des Heilverfahrens, da nicht auf das für organische Verletzungen etablierte System besonderer Heilverfahrensarten, wie z. B. das Durchgangsarztverfahren, zurückgegriffen werden kann. Unter allen Umständen hat die Therapie unbedingten Vorrang, unabhängig von der kausalrechtlichen Fragestellung nach dem zuständigen Leistungsträger. Psychischen Gesundheitsschäden ist vermehrt Aufmerksamkeit zu schenken mit dem Ziel, geeignete Maßnahmen der medizinischen Rehabilitation weiterzuentwickeln und Konventionen für die Begutachtung zu schaffen.
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    Trauma und Berufskrankheit 2 (2000), S. 28-38 
    ISSN: 1436-6274
    Keywords: Schlüsselwörter ; Beckenverletzung ; Begleitverletzung ; Diagnostik ; Therapie ; Algorithmus ; Keywords ; Pelvic trauma ; Concomitant lesions ; Diagnosis ; Therapy ; Algorithm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: The injuries that typically accompany pelvic fractures are lesions of the urogenital tract, the lumbosacral plexus, and the retroperitoneal and intra-abdominal organs. The prognosis depends heavily on early recognition of the abdominal- and retroperitoneal injuries, which are frequently a primary threat to vital functions. Missing these injuries would be very serious, as the mortality with early diagnosis and adequate treatment is normally low; according to the results reported in the literature, delayed therapy leads to increasing mortality rates of up to 80%. Experience in trauma centres has shown that for complete ascertainment of accompanying injuries it is necessary to perform a systematic diagnosis according to a fixed algorithm. The treatment of the concomitant injuries accompanying a complex pelvic trauma is fundamentally different from the treatment of patients with isolated injuries. A high survival rate with a low postoperative complication rate cannot be achieved except with specialist surgical management tailored to the primary life-threatening lesions. After determination and recording of the injury pattern a therapy concept must be made at once. A trauma algorithm can be helpful when treatment is selected. Step-by-step treatment with several operative phases alternating with recovery and stabilization periods under intensive care conditions has proved worthwhile.
    Notes: Typische Begleitverletzungen von Beckenfrakturen sind Verletzungen des Urogenitaltrakts, des Plexus lumbosacralis und intraabdominaler Organe. Entscheidend für die Prognose ist das rechtzeitige Erkennen v. a. der häufig primär vital gefährdenden Abdominal- und Retroperitonealverletzungen. Das Übersehen dieser Verletzungen ist besonders tragisch, da bei rechtzeitiger Diagnostik und adäquater Versorgung die Letalitätsrate in der Regel gering ist; bei verzögerter Therapie resultieren nach den Angaben in der Literatur Letalitätsraten bis zu 80%. Die Erfahrung in Traumazentren hat gezeigt, dass zur vollständigen Erfassung der Begleitverletzungen die systematische Diagnostik nach einem festgelegten Algorithmus erfolgen sollte. Die Behandlung der Begleitverletzungen im Rahmen eines komplexen Beckentraumas unterscheidet sich prinzipiell von der bei Monoverletzten. Voraussetzung für eine hohe Überlebensrate mit geringer postoperativer Komplikationsrate ist ein prioritätenorientiertes chirurgisches Vorgehen. Nach Erfassung des Verletzungsmusters muss bereits initial ein Therapiekonzept erstellt werden. Zur Entscheidungsfindung kann ein Traumaalgorithmus herangezogen werden. Es hat sich eine abgestufte Versorgung mit mehreren operativen Phasen und zwischengeschalteten Erholungs- und Stabilisierungsphasen unter Intensivbedingungen bewährt.
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    Trauma und Berufskrankheit 2 (2000), S. 240-248 
    ISSN: 1436-6274
    Keywords: Schlüsselwörter ; Komplexe Schultergürtelverletzung ; Diagnostik ; Therapie ; Interdisziplinäres ¶Management ; Keywords ; Complex shoulder girdle trauma ; Diagnosis ; Therapy ; Interdisciplinary management
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: The particular injury pattern of complex joint trauma means that a standardized operative procedure would be difficult to devise and an individual therapy plant is therefore essential for each patient. One of the main problems consists in the recognition and adequate treatment of associated vascular and neural lesions. The treatment of a complex joint trauma makes extremely high demands on the trauma-team in terms of both diagnostis and therapy and is an interdisciplinary challenge. On the basis of a detailed literature search and evaluation of the procedures we have adopted in sample cases, we suggest an algorithm for interdisciplinary management of severe combination injuries of the shoulder region.
    Notes: Die Problematik des komplexen Gelenktraumas besteht darin, dass aufgrund des besonderen Verletzungsmusters ein standardisiertes operatives Vorgehen erschwert und deshalb ein individuelles Therapiekonzept essenziell ist. Ein Hauptproblem besteht in ¶der Erkennung und der adäquaten Behandlung assoziierter Gefäß- und Nervenläsionen. Die Behandlung eines komplexen Gelenktraumas stellt höchste diagnostische und therapeutische Ansprüche an das Traumateam und bedeutet eine interdisziplinäre Herausforderung. Aufgrund einer eingehenden Literaturrecherche und der Auswertung des eigenen Vorgehens anhand exemplarisch ausgewählter Fälle wird versucht, einen Algorithmus der interdisziplinären Komplexversorgung schwerer Kombinationsverletzungen der Schulterregion zu erstellen.
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    Trauma und Berufskrankheit 2 (2000), S. 341-343 
    ISSN: 1436-6274
    Keywords: Schlüsselwörter ; Tarsaltunnelsyndrom ; Ätiologie ; Trauma ; Diagnose ; Therapie ; Keywords ; Tarsal tunnel syndrome ; Aetiology ; Trauma ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: In this paper we describe the tarsal tunnel syndrome with reference to our own experience in 10 cases and the literature. Compared with the numerous injuries involving the ankle and foot, the diagnosis of tarsal tunnel syndrome is rare. In the case of a painful foot of unknown aetiology, the differential diagnosis should therefore include tarsal tunnel syndrome. Our presentation discusses the aetiology and pathology of the tarsal tunnel syndrome, and particularly that caused by trauma. We also describe an effective therapeutic approach based on surgical decompression.
    Notes: Anhand der Literatur und eigenen Erfahrungen von 10 Operationen wird das Tarsaltunnelsyndrom dargestellt. Gemessen an der Vielzahl der Traumen im Sprunggelenk- und Fersenbeinbereich wird die Diagnose selten gestellt. Bei unklaren Fußschmerzen sollte daher differenzialdiagnostisch ein Tarsaltunnelsyndrom in Erwägung gezogen werden. Es wird auf die Ätiologie, die Pathologie sowie auf den Zusammenhang zu Traumen eingegangen und die effektive Therapie durch operative Dekompression beschrieben.
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    Trauma und Berufskrankheit 2 (2000), S. S51 
    ISSN: 1436-6274
    Keywords: Schlüsselwörter ; Ellbogenverletzungen ; Wachstumsalter ; Diagnostik ; Therapie ; Key words ; Ellbow joint injuries ; Adolescence ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Fractures and dislocations of the elbow are some of the most common injuries in childhood and adolescence. The majority occur in the course of sport and play, for example as the result of falling from apparatus used in gymnastics or a bike, or falling while engaging in such popular sports as in-line-skating or skateboarding. Elbow injuries can be divided into dislocations of the joint alone and fractures, of the distal humerus or the proximal radius and ulna, or combinations of both dislocation and fracture. In addition, a differentiation is made between extra- and intraarticular fracture types, the latter being seen as either partial or complete joint lesions.
    Notes: Zusammenfassung Luxationen und/oder Frakturen am Ellbogen gehören zu den häufigsten Verletzungen im Wachstumsalter überhaupt. Sie entstehen überwiegend bei Sport und Spiel, z. B. durch Sturz von einem Turngerät, von Zweirädern oder während der Ausübung moderner Sportarten wie In-line-Skating, Rollschuhlauf und Skateboardfahren. Bei den Verletzungen werden reine Luxationen von Frakturen entweder am körperfernen Oberarmende oder an den gelenkbildenden Anteilen von Radius und Ulna unterschieden. Ein weiteres Unterscheidungsmerkmal ist die Abgrenzung extraartikulärer von intraartikulären Frakturformen, wobei letztere entweder als partielle oder komplette Bruchform imponieren.
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    Trauma und Berufskrankheit 2 (2000), S. S180 
    ISSN: 1436-6274
    Keywords: Schlüsselwörter Humeruskopffraktur ; Diagnostik ; Therapie ; Keywords Fracture of the head of the humerus ; Diagnosis ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Fractures of the head of the humerus present a challenge both at the stages of diagnosis and treatment. Fortunately, 70–80% ¶of all fractures of the humeral head can be treated conservatively because they are not dislocated. When dislocation is present detailed understanding of the morphology of such fractures and purposeful application of internal fixation techniques are essential for the achievement of good shoulder function. Every step of the treatment is aimed at stability of the joint with its components as close as possible to their original anatomical positions. This can generally be managed with minimally invasive approaches and/or with the bone fragments preserved. We regard depression fractures of the humeral head (〉 45%) in active, older patients –¶who are frequently affected – as a primary indication for a shoulder replacement. Four-fragment fractures with displacement of the head fragment in an older, physically active patient can also occasionally be an indication for primary joint replacement. Both for conservatively treated and for operatively treated fractures of the humeral head a customized schedule of follow-up treatment should be applied, to avoid the precipitation of secondary frozen shoulder by too-passive behaviour. On the other hand, neither should the follow-up treatment programme lead to a secondary dislocation. For restoration of the function it is therefore absolutely essential that the trauma surgeon monitor the treatments applied.
    Notes: Zusammenfassung Humeruskopffrakturen stellen eine Herausforderung an die Diagnostik und die Therapie dar. Glücklicherweise können 70–80% davon konservativ behandelt werden, da sie nicht disloziert sind. Im Fall der Dislokation sind ein differenziertes Verständnis der Frakturmorphologie und der zielgerichtete Einsatz osteosynthetischer Techniken unabdingbare Voraussetzung einer guten Schulterfunktion. Ziel jedweder Behandlungsmaßnahme ist das Erreichen einer stabilen Situation in möglichst anatomiegerechter Position. Dies kann überwiegend mit minimalinvasiven Zugängen bzw. unter Schonung der Knochenfragmente erreicht werden. Besonders im Fall der Humeruskopfimpressionsfrakturen (〉 45%) beim häufig betroffenen älteren, aktiven Patienten sehen wir eine primäre Indikation zur Schulterendoprothese. Ebenso stellen die 4-Fragment-Frakturen mit Verschiebung des Kopffragments bei älteren, biologisch aktiven Patienten eine gelegentliche Indikation zum primären Gelenkersatz dar. Sowohl für die konservativ als auch für die operativ behandelten Humeruskopffrakturen sollte ein differenziertes Nachbehandlungsschema Anwendung finden, um nicht durch zu passives Verhalten eine sekundäre Schultersteife zu initiieren. Auf der anderen Seite sollte ein Nachbehandlungsprogramm auch nicht zur sekundären Dislokation führen. Die unfallchirurgische Kontrolle der Behandlungsmaßnahmen ist daher zwingende Voraussetzung einer bestmöglichen Wiederherstellung der Funktion.
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    International journal of colorectal disease 15 (2000), S. 127-135 
    ISSN: 1432-1262
    Keywords: Keywords Acute pancreatitis ; Animal models ; Therapy ; Study design
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Since randomized controlled studies of severe acute human pancreatitis can be performed only with restrictions, at least some aspects of innovative therapy concepts should first be clarified in animal experiments. In vitro trials are inadequate for this purpose since they cannot simulate the complex course of severe acute pancreatitis. Animal test results can be transferred to clinical practice if the results are based on trials with established models, standardized methods, and a study design imitating the clinical situation. This contribution discusses the demands on such an animal model of acute pancreatitis and a corresponding study protocol and presents models and protocols which meet these requirements. Concrete examples are presented to show that animal experiments are of great value under these conditions, especially in acute necrotizing pancreatitis. Further standardization of models, protocols, and monitoring should further improve future animal therapy studies at least to the extent that it is possible to select particularly promising substances, which should then be tested in randomized controlled trials.
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  • 55
    ISSN: 1432-1459
    Keywords: Key words Motor neurone disease ; Amyotrophic lateral sclerosis ; SF-36 ; Carer Strain Index ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The measurement of functioning and well-being from the perspective of the patient has in recent years become central to the assessment of health and the evaluation of treatment regimes. The past decade has seen an enormous growth in the application of measures designed to assess quality of life in a vast array of medical specialities. However, the use of such measures in neurology has been relatively limited, and this has certainly been the case in amyotrophic lateral sclerosis (ALS). The European ALS Health Profile Study is a longitudinal survey of patients diagnosed with ALS or other motor neurone diseases in which patients are aksed to complete questionnaires concerning their subjective health status. Data from clinical assessments are also collected. It is intended that the information collected will provide more systematic and detailed evidence of the impact of the disease from the perspective of the patient. This contribution documents results from baseline assessment obtained from data supplied by clinicians, carers and patients themselves. Three outcome measured are assessed in this paper: the SF-36, a generic measure of well being and functioning, the ALS Functinal Rating Scale and the Carer Strain Index. The evidence presented here suggests that these measures provide a meaningful and valid picture of the impact of the disease. The data indicate that ALS has substantial adverse effects both upon the functioning and well being of patients and carers, as well as an association between the emotional health status of patients and carers, and between the physical health status of patients and carers.
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  • 56
    ISSN: 1432-1459
    Keywords: Key words Motor neuron disease ; Amyotrophic lateral sclerosis ; Cancer ; Paraneoplastic disease ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We examined whether patients with both amyotrophic lateral sclerosis (ALS) and cancer differ from classical ALS patients, and whether motor neuron disease responds to oncological therapy. We analyzed clinical and immunological features of 14 patients (9 men, 5 women; mean age 65.3 years) with pure/definite ALS and cancer. Patients with solid tumor cancer and definite ALS were selected according to the El Escorial criteria; cases with ALS plus were excluded. Four patients had breast cancer, three lung adenocarcinoma, and three bowel tumor; hepatocarcinoma, kidney cancer, and mesothelioma were observed in one case each, and in one patient the primary tumor was unidentified. Patients' sera were examined for antinervous system antibodies by means of immunohistochemistry and western blot analysis. Of five patients who underwent surgical therapy, two worsened during the procedure, while the other three had no benefit. The remaining two patients did not improve after chemotherapy and radiotherapy. In none of our cases did the oncological disease progress. Death was a consequence of ALS in all eight patients who died. Median survival was 18 months and did not differ from that of 28 ALS patients matched for age, sex, and onset features (bulbar or spinal). Anti-nervous system antibodies were never detected. We conclude that our group of pure ALS patients with cancer do not significantly differ from patients with classical ALS. They usually die as a consequence of the motor neuron syndrome in the absence of cancer progression. To date we have not observed any response of ALS to antitumor therapy.
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  • 57
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    Journal of neurology 247 (2000), S. 102-105 
    ISSN: 1432-1459
    Keywords: Key words Polymyositis ; Dermatomyositis ; Therapy ; Pulsed ¶dexamethasone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To study the short-term effect of oral pulsed high-dose dexamethasone for myositis we treated eight newly diagnosed patients with three 28-day cycles of oral dexamethasone. Primary outcome measures were muscle strength, pain, and serum creatine kinase activity. Six patients responded. Side effects were mild. At follow-up five responders were still in remission, without ¶medication. Pulsed high-dose ¶dexamethasone seems beneficial in myositis. A larger, prednisone-controlled trial is justified to analyze long-term efficacy.
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  • 58
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    Bulletin of experimental biology and medicine 130 (2000), S. 957-960 
    ISSN: 1573-8221
    Keywords: human T lymphocytes ; staphylococcal enterotoxin B ; nitric oxide ; proliferation ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The involvement of nitric oxide (NO) in the regulation of human T cell response to bacterial superantigen (staphylococcal enterotoxin B) was studied. It was shown that stimulated T lymphocytes are the main source of NO. This superantigen markedly increased NO production and triggered the proliferative response of mononuclear cells from healthy individuals; the degree of apoptosis was low. In patients with purulent surgical diseases with high spontaneous and induced NO production, superantigen enhanced apoptosis of lymphocytes and induced anergy of T cells to enterotoxins. Increasing the concentration of NO in cultured cells from healthy individuals in the presence of NO donors also stimulated apoptosis and inhibited proliferative activity. These data suggest that NO regulates T lymphocyte response to superantigens. The increased production of NO probably contributes to the development of immunosuppression during bacterial infection.
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  • 59
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    Bulletin of experimental biology and medicine 130 (2000), S. 892-894 
    ISSN: 1573-8221
    Keywords: immune deficiency ; apoptosis ; lymphocytes ; neoplasms and autoimmune diseases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract CD95 expression on peripheral blood lymphocytes in patients with neoplasms was higher than in patients with autoimmune disorders. Apoptosis of T cells increased during tumor growth. The data suggest that neoplasms are accompanied by more severe immune dysfunction than autoimmune disorders.
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  • 60
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    Bulletin of experimental biology and medicine 130 (2000), S. 912-916 
    ISSN: 1573-8221
    Keywords: whole-body hyperthermia ; hepatocytes ; alkaline dissociation of tissues ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract hyperthermia caused hemodynamic disorders in the liver and degenerative and necrobiotic changes in hepatocytes of CBA mice. Total hepatocyte count decreased during restitution, this decrease being most pronounced 30 min after exposure. The number of binucleated cells also markedly decreased. The absence of necrotic changes in hepatocytes during the entire restitution period indicated their apoptotic death and elimination by macrophagal resorption. Under these conditions liver regeneration at the cellular level occured mainly via division of binucleated hepatocytes. On the other hand, proliferation of oval cells in the portal zones and their differentiation into hepatocytes were observed at certain stages of reparative regeneration of the liver.
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  • 61
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    Der Hautarzt 51 (2000), S. 19-24 
    ISSN: 1432-1173
    Keywords: Schlüsselwörter ; Kutane B-Zell-Lymphome ; Therapie ; Key words ; Cutaneous B-cell lymphomas ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Background and objective: Primary cutaneous B-cell lymphomas (PCBCL) represent a unique type of extranodal B-cell lymphomas. Recently, the „European Organization for Research and Treatment of Cancer (EORTC)–Cutaneous Lymphoma Study Group” classified PCBCL into two major groups: one with low-grade malignancy and excellent prognosis (follicle center cell lymphoma, immunocytoma/marginal zone B-cell lymphoma) and the other with intermediate malignancy and worse prognosis (large B-cell lymphoma of the leg). The clinical course and the prognosis of both groups clearly distinguish them from nodal lymphomas with similar morphological aspects, thus underlying the need for different treatment modalities. Patients/Methods: We investigated retrospectively the therapeutic data from 51 patients with PCBCL (40 lowgrade lymphomas, 11 large B-cell lymphomas). Several treatment modalities were used: total excision, radiotherapy, polychemotherapy, systemic corticosteroids, systemic antibiotics, as well as a variety of combination treatments. Results: Recurrence, dissemination and/or death of the patients were not significantly related to any single treatment modality. Conclusions: In our opinion, the choice of treatment for PCBCL depends on the histologic classification, the number, spread and localization of the infiltrates, and on the general condition of the patient.
    Notes: Zusammenfassung Hintergrund und Fragestellung: Primäre kutane B-Zell-Lymphome (PKBZL) stellen eine eigenständige Krankheitsgruppe lymphoproliferativer Tumoren dar. In der vor kurzem von der „European Organization for Research and Treatment of Cancer (EORTC)-Cutaneous Lymphoma Study Group” publizierten Klassifikation kutaner Lymphome wurden 2 Hauptgruppen der PKBZL beschrieben: Eine mit niedriger Malignität und exzellenter Prognose (Keimzentrumslymphome, Immunozytom/„Marginalzonelymphom”) und eine 2. mit intermediärer Malignität und schlechterer Prognose (großzelliges B-Zell-Lymphom der unteren Extremitäten). Der Verlauf und die unterschiedlichen Prognosen weisen darauf hin, dass es notwendig ist, eine dem klinischen Verhalten entsprechende Therapieform zu wählen. Patienten/Methodik: Wir untersuchten die Verlaufsdaten von 51 Patienten mit PKBZL (40 niedrig maligne PKBZL und 11 großzellige PKBZL) retrospektiv. Als Behandlungsformen kamen Totalexzision, Strahlentherapie, systemische Kortison- und Antibiotikatherapie, Polychemotherapie sowie verschiedene Kombinationstherapien zur Anwendung. Ergebnisse: Das Auftreten von Rezidiven sowie von Lymphknoten- oder Organbeteiligungen stand in keinem signifikanten Zusammenhang mit der gewählten Therapiemodalität. Schlussfolgerungen: Aus der Vielzahl der verwendeten Behandlungsformen ist die Komplexität der Erkrankung an sich und die der Wahl der Therapie ersichtlich. Unserer Meinung nach sollte die Behandlung der PKBZL in Abhängigkeit von der histologischen Klassifikation, der Anzahl, Ausdehnung und Lokalisation der Hautinfiltrate sowie vom Allgemeinzustand des Patienten gewählt werden.
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  • 62
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    Trauma und Berufskrankheit 2 (2000), S. S456 
    ISSN: 1436-6274
    Keywords: Schlüsselwörter Trauma ; Akute Belastungsstörung ; Posttraumatische Belastungsstörung ; Therapie ; Medizinische Begutachtung ; Keywords Trauma ; Acute stress disorder ; Posttraumatic stress disorder ; Therapy ; Medico-legal expertise
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract ‘Psychopathology after trauma’ mostly refers to cognitive or affective impairment after direct or indirect damage to brain tissue. Patients who have suffered a whiplash injury of the cervical spine, even without direct trauma to brain tissue, also often complain of cognitive or affective dysfunction for prolonged periods after the injury. Even more difficult to evaluate is psychopathology arising in the aftermath of severely distressing events, such as major disastrous accidents, natural catastrophes or assault. The medical expert must be aware of a variety of posttraumatic psychiatric disorders with different courses and symptoms and must be able to distinguish these from endogenous or merely coincident psychiatric disorders. In this paper, we outline the relevant diagnoses and diagnostic criteria, with special refrence to posttraumatic stress disorder (PTSD). It should be emphasized that while acute stress disorder is common after stressful experiences, PTSD is most likely to develop in the presence of personality traits or a concurrent psychiatric illness predisposing to the disorder. The nature of the trauma sustained is significant: for example, trauma inflicted by human aggression causes PTSD significantly more often than similar injuries suffered as the result of a motor vehicle accident. Finally, therapeutic strategies for posttraumatic disorders are briefly reviewed.
    Notes: Zusammenfassung Mit posttraumatischen psychischen Störungen sind in der Regel kognitive oder affektive Beeinträchtigungen in der Folge direkter oder indirekter Hirngewebeschäden gemeint. Aber auch Patienten mit Halswirbelsäulenschleudertrauma beklagen häufig und über lange Zeit kognitive oder affektive Störungen ohne Nachweis einer Hirnschädigung. Noch problematischer sind psychische Störungen in der Folge erheblich belastender Ereignisse, wie Unfälle katastrophalen Ausmaßes, Naturkatastrophen oder Überfällen, zu beurteilen. Dem ärztlichen Gutachter obliegt die Aufgabe, eine Reihe posttraumatischer Störungen, die sich hinsichtlich des Verlaufs und der Symptome unterscheiden, zu kennen und von anlagebedingten oder koinzidierenden psychischen Störungen zu differenzieren. In der vorliegenden Arbeit werden die relevanten Diagnosen ¶und diagnostischen Kriterien mit besonderer Behandlung der posttraumatischen Belastungsstörung (PTSD) besprochen. Hervorzuheben ist, dass es nach erheblich belastenden Erlebnissen recht häufig zu akuten Belastungsreaktionen kommt, während die PTSD in der Regel dann auftritt, wenn eine besondere persönliche Disposition oder psychiatrische Komorbidität vorliegen. Ferner kommt der Art des belastenden Erlebnisses Bedeutung zu. So wird eine PTSD häufiger nach Ausbrüchen menschlicher Aggression als nach z. B. Verkehrsunfällen gefunden. Abschließend wird ein kurzer Überblick über therapeutische Möglichkeiten bei posttraumatischen Störungen gegeben.
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  • 63
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    Infection 28 (2000), S. 282-286 
    ISSN: 1439-0973
    Keywords: Key Words Chronic ; Osteomyelitis ; Therapy ; Children ; Ewing's sarcoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Background: Presently, most children with chronic osteomyelitis undergo surgery with the inherent risk of damage to their growth plate. We demonstrate a treatment regimen based on imaging procedures focussing on antibiotics in order to reduce the rate of surgical interventions. Patients and Methods: We retrospectively evaluated all 11 patients with clinically suspected chronic osteomyelitis who were treated at our institution from 1989 to 1995. Patients underwent open biopsy and surgical treatment only if imaging procedures showed signs indistinguishable from malignancy, or if they were highly suggestive for the presence of pus, joint infection or osteonecrosis. The patients were followed up for a minimum of 3 years. Results: All five patients treated solely with antibiotics recovered completely. Three patients were subjected to open biopsy and surgical treatment since they showed radiological signs indistinguishable from malignancy, and two patients due to pus or osteonecrosis. In follow-up, there was one relapse of chronic osteomyelitis 11 months after the first treatment course with surgery and antibiotics. One patient suffering from Ewing's sarcoma as detected by open biopsy was excluded. Conclusion: Our diagnostic procedure was useful to reduce the rate of surgery. Surgical treatment of chronic osteomyelitis is not always neccessary especially in cases of missing necrosis, joint infection and abscess as demonstrated by the complete recovery of our patients treated solely with antibiotics.
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  • 64
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    Journal of clinical immunology 20 (2000), S. 229-239 
    ISSN: 1573-2592
    Keywords: Aging ; apoptosis ; TNF receptor ; Fas ; Fas ligand ; mitochondria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The cellular and molecular basis of immune senescence is unclear. A number of mechanisms have been proposed. In this issue of the Journal of Clinical Immunology, some of the mechanisms for various immunologic abnormalities in aging are presented. In this article, various molecular steps of both death receptor and mitochondrial pathways of apoptosis in general are reviewed. In particular, the role of apoptosis in T-cell immune senescence is discussed.
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  • 65
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    Quality of life research 9 (2000), S. 129-137 
    ISSN: 1573-2649
    Keywords: EORTC QLQ-C30 ; Gynecological cancer ; Psychometric property ; Quality of life ; Standard Chinese
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The majority of quality of life (QOL) questionnaires have been developed and used in English-speaking or Western European countries. The aims of this study were to provide the Standard Chinese version of the European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire (EORTC QLQ-C30 version 2.0), and evaluate its psychometric properties. The translation process included independent translation, back translation, a pilot test with gynecological cancer patients, and a review and approval by the original developers. Participants in the major study included gestational trophoblastic disease patients (n = 68), ovarian cancer patients (n = 105), and other types of gynecological cancer patients (n = 18). The average completion time of the Standard Chinese version was 8.1 ± 2.9 min. All item-subscale correlation coefficients exceeded the criterion of item-convergent validity (r 〉 0.40) except item 1, 5, 20, and 25, and all items correlated significantly higher with their own subscale than with other subscales except item 1, 20, and 25. The correlation coefficients among all subscales were significant but modest (r = 0.40–0.70). Seven out of nine subscales met the minimal standards of reliability (Cronbach's α 〉 0.70). In conclusion, the Standard Chinese version of the EORTC QLQ-C30 is a valid instrument overall in assessing the QOL of Chinese gynecological cancer patients.
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  • 66
    ISSN: 1573-2649
    Keywords: Proxy measures ; Quality of life ; Surrogacy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In studies of the effect of cancer treatment in the advanced disease setting, researchers have attempted to avoid missing data for quality of life (QOL) assessments by either substituting proxy for patient assessments from the outset or by interspersing proxy measures when patients are unable to respond. Although poor agreement between patient and proxy assessments has been amply demonstrated in the literature, interest in using proxy measures persists. Completion of the Spitzer QL-Index by a small sample of patients with brain metastases and family member proxies provided data for evaluating the ability to substitute proxy for patient QOL assessments. These data cannot address treatment efficacy due to the modest sample size. Rather, the analyses serve to alert researchers to the important distinction (in a clinical trial setting) between agreement and the use of the proxy as a surrogate. We present several methods for evaluating the accuracy of proxy measures and for identifying other sources of error and bias that may vary with time or with treatment arm. Lin's concordance correlation coefficient suggests that proxies are generally a poor substitute for capturing a patient's perspective of his/her QOL. A longitudinal analysis suggests that the use of proxy rather than patient responses could lead to different conclusions concerning radiation therapy's effect on QOL.
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  • 67
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    Quality of life research 9 (2000), S. 207-218 
    ISSN: 1573-2649
    Keywords: Diabetes ; DTSQ ; LQD ; Non-insulin-dependent diabetes ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of the study was to find out which of five Quality of life (QoL) questionnaires are reliable and valid for evaluating the QoL in German patients with type 2 diabetes: the Diabetes Treatment Satisfaction Questionnaire (DTSQ), the Well-Being Questionnaire (WBQ), the Short Form SF36 of the Medical Outcome Study (SF36), the Diabetes39 and the Quality of Life with Diabetes (LQD) questionnaire. A stratified sample of 144 patients who were attending one of nine special hospitals for people with diabetes at the time of the study were given the questionnaires twice. Most of the scales of the questionnaires had internal consistencies (α) of above 0.80 as recommended; the retest reliabilities were lower, especially for scales evaluating satisfaction with levels of blood sugar and treatment in general. A factor analysis of all scale scores yielded four factors: (1) physical aspects, (2) well-being and satisfaction, (3) diabetes-specific stress, and (4) treatment satisfaction. Construct validity showed frequency of hypoglycemias, neuropathies, treatment with insulin and number of late complications to have a negative impact on QoL scores. No single questionnaire covered all relevant aspects of the QoL of subjects with type 2 diabetes. Thus, quality of life in diabetic people should be evaluated with scales representing the cognitive dimensions found in this study so as not to miss significant aspects.
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  • 68
    ISSN: 1573-2649
    Keywords: Coronary artery bypass grafting (CABG) ; Ejection fraction ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aim: To describe the relief of symptoms and improvement in Quality of Life (QoL) 5 years after coronary artery bypass grafting (CABG) in relation to preoperative ejection fraction (EF). Methods: Patients who underwent CABG between 1988 and 1991 in western Sweden were approached with an inquiry prior to surgery and 5 years after the operation. Quality of Life was estimated with three different instruments: Physical activity score, Nottingham Health Profile and Psychological General Well-being Index. Results: Among all patients who underwent CABG (n = 1904) the 5-year mortality rate was 27% in those with EF 〈 0.40 and 12% in those with EF ≥ 0.40 (p 〈 0.0001). In all, 849 patients, of whom 58 (7%) had EF 〈 0.40 participated in the evaluation. Neither physical activity, symptoms of chest pain, dyspnea nor any indices of QoL were significantly associated with preoperative EF. Improvement in physical activity, symptoms of chest pain and dyspnea and various estimates of QoL appeared similar and marked regardless of preoperative EF. Conclusion: Among survivors there was no association between preoperative EF and symptoms or various estimates of QoL 5 years after CABG. Improvement in symptoms and QoL were not dependent on preoperative EF.
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  • 69
    ISSN: 1573-2649
    Keywords: Captopril ; Heart failure ; Losartan ; Missing data ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To measure health-related quality-of-life (HRQoL) in elderly symptomatic heart failure patients following treatment with an angiotensin II receptor antagonist (losartan) vs. an angiotensin-converting-enzyme (ACE) inhibitor (captopril). Methods: Patients (age ≥65 years) were randomised to losartan, titrated to 50 mg once daily, or captopril, titrated to 50 mg three times daily, as tolerated. Sickness Impact Profile (SIP) and Minnesota Living with Heart Failure (LIhFE) questionnaires were administered at baseline, weeks 12 and 48. Composite hypothesis testing of change in HRQoL from baseline for completers, and withdrawal for unfavourable events (death, clinical/laboratory adverse experience) was used to account for differential dropout rates. Results: In 203 patients completing the substudy (week 48), significant and comparable improvements in HRQoL from baseline were observed for both treatment groups (p ≤ 0.001). Although there was a trend favouring losartan vs. captopril for the composite HRQoL endpoint (unadjusted p = 0.018, one-sided), this was not considered significant after adjusting for multiple testing. Significantly more captopril patients in the substudy subset withdrew for unfavourable reasons (19.6 vs. 10.9%, p = 0.038). Conclusions: Significant improvements in HRQoL were observed in elderly patients with symptomatic heart failure treated with losartan and captopril long-term. A trend favouring losartan in the composite measure of drug tolerability/quality of life was not significant, but losartan was generally better tolerated than captopril in that significantly fewer losartan patients discontinued therapy.
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  • 70
    ISSN: 1573-2649
    Keywords: Accommodation processes ; Quality of life ; Satisfaction ; Schizophrenia ; Social comparison
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In schizophrenic patients, quality of life (QoL) studies often find high levels of general life satisfaction and satisfaction in various life domains despite deprived living conditions. Therefore, the usefulness of QoL as an outcome indicator has been questioned. Since social comparison processes have been postulated to be related to the level of satisfaction, this hypothesis was analysed empirically by the present study in schizophrenic patients. Satisfaction and social comparisons of 148 schizophrenic inpatients and 66 mentally healthy controls were examined with regard to the domains ‘health’ and ‘family’ by means of a standardised interview. The schizophrenic patients had a history of either long-term (n = 75) or short-term (n = 73) restricted and deprived living conditions. Long-term patients showed significantly higher satisfaction levels than short-term patients. They compared themselves predominantly laterally or downwards with fellow inpatients. Significant relationships between the direction of social comparisons and satisfaction ratings were found in all three samples. Social comparisons proved to be important for the level of satisfaction in schizophrenic patients. Results indicate that experiences of restricted and deprived living conditions induce accommodation processes and response-shifts that should be taken into account in the interpretation of quality-of-life data.
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    Quality of life research 9 (2000), S. 509-520 
    ISSN: 1573-2649
    Keywords: Arthritis impact measurement scales ; Elderly ; Patient generated index ; Quality of life ; Validity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to determine the validity of the recently modified patient generated index (PGI) when used as a self-completed postal questionnaire by older people with arthritis. Two postal surveys were used, followed by interviews with a theoretically chosen sub-sample of respondents to both. Data from the self-completed modified PGI and the arthritis impact measurement scales (AIMS) and the interviews were assessed against 10 pre-defined validity criteria. A total number of 1027 people over 65 years old and with arthritis were surveyed and 53 were selected for interview. The response rates to the two-part survey were 78 and 83%. Complete data for the validity analysis were available from 47% of the respondents. The modified PGI met four and failed to meet six validity criteria. Pre-defined correlations were found with the AIMS and differentiation was possible between respondents with mild, moderate and severe arthritis and between those who had recently sought medical attention and those who had not. The areas that had been chosen for inclusion in the modified PGI were affected by arthritis but may not have been the ‘most important’ areas. The measurement method could not detect changes in health nor differentiate between respondents taking and not taking analgesics. There were several problems in the respondents' interpretation of the instructions, which were only revealed during the interviews. These data should help inform further modification of the PGI.
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    Quality of life research 9 (2000), S. 667-674 
    ISSN: 1573-2649
    Keywords: Eating disorders ; Quality of life ; Patient outcomes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: This study investigated the perception of health-related quality of life (HRQoL) in ambulatory patients with eating disorders in relation to the severity of eating symptomatology and psychological comorbidity. Methods: One hundred ninety-seven study patients were consecutively recruited at the Eating Disorders Outpatient Clinic. Short Form-36 items (SF-36), a generic HRQoL questionnaire, the Eating Attitudes Test (EAT-40), and the Hospital Anxiety and Depression Scale (HAD) were used to measure different aspects of HRQoL. The results of the SF-36 were compared with the norms of the Spanish general population for women 18–34 years of age. Results: Patients with eating disorders were more dysfunctional in all areas of the SF-36 compared with women in the general population. There were no differences among the eating disorder diagnostic groups. Higher scores on the EAT-40 and the HAD were associated with a perception of greater impairment on all SF-36 subscales. Conclusion: The evaluation of HRQoL in these patients confirms the impact of these disorders on daily life in areas not directly related to eating disorders. The SF-36 is useful for discriminating among different levels of severity of eating disorders and other psychological comorbidities of these patients.
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  • 73
    ISSN: 1573-2649
    Keywords: Asthma ; Chronic obstructive pulmonary disease ; Epilepsy ; Health-related quality of life ; Health status ; Ischemic coronary disease ; Quality of life ; Rheumatoid arthritis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The objective of this study was to compare the health-related quality of life (HRQL) of patients with epilepsy with populations suffering from different chronic diseases, using the short form 36 (SF-36) health profile measure. The populations to be compared were adult patients drawn from hospital based registers, with confirmed epilepsy (n = 397), angina pectoris (n = 785), rheumatoid arthritis (n = 1030), asthma (n = 117) and chronic obstructive pulmonary disease (COPD) (n = 221). Health-related quality of life scores were compared using analysis of covariance (ANCOVA) for predicting mean scores adjusted for age, gender, education and comorbidity. Patients with epilepsy on average scored highest on all scales, reflecting that in our sample the majority had well-controlled epilepsy. Our results indicate that the HRQL of a representative sample of patients with epilepsy is good, when compared with other chronic disorders, although reduced in several dimensions compared with a general reference population. Patients with rheumatoid arthritis (RA) and COPD scored lowest on the physical function scales, while rheumatoid arthritis patients reported most pain.
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  • 74
    ISSN: 1573-2649
    Keywords: Asthma ; Quality of life ; Questionnaire ; Satisfaction ; Validation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The Patient Satisfaction with Asthma Medication (PSAM) questionnaire was developed because no treatment satisfaction questionnaire could be identified that was comprehensive yet brief enough for use in clinical trials. Adult moderate asthmatics residing in Canada using an inhaled medication (either salmeterol, formoterol, or albuterol) self-administered the questionnaire, which also included the Asthma Quality of Life Questionnaire (AQLQ). A total of 53 asthmatics (70% female, 45% married, mean age: 47 years) completed the questionnaire. Using variable clustering, four PSAM scales were identified: Inhaler Properties, Comparison with Other Medications, Overall Perception of Medication, and Relief. Internal-consistency reliability provided evidence of reliability and lack of redundancy (Cronbach's Alpha: 0.82–0.88). Test-retest reliability was acceptable (ICC values at or near 0.70). As expected, interscale PSAM correlations were moderate to high; correlations between the PSAM and the AQLQ were low to moderate. To assess known groups validity, respondents were categorized by self-reported degree of asthma control: ‘very well controlled’ ‘somewhat controlled’, and ‘not well controlled’. Significant between-groups differences were found on all PSAM scales except Inhaler Properties. Patients categorized as ‘very well controlled’ tended to report highest PSAM scale scores. The PSAM questionnaire demonstrated reliability and validity in moderate asthmatics. Responsiveness should be assessed in future, prospective studies.
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  • 75
    ISSN: 1573-2649
    Keywords: Diabetes mellitus ; Functional insulin treatment ; Lifestyle ; Quality of life ; Randomised cross-over study ; Treatment satisfaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Even a small improvement in satisfaction with treatment for a chronic disease can be valuable. However, sensitive measurements instruments are needed to assess the effects of treatment changes in patients already well satisfied with baseline treatment. Such instruments were thought to be necessary to deal with ceiling effects in scores of satisfaction with functional insulin treatment (FIT) accommodating full flexibility of food intake and lifestyle in diabetes by manipulation of insulin (FIT; Howorka etal. 2000). The Status(S) version of the Diabetes Treatment Satisfaction Questionnaire (DTSQ, Bradley 1994) was extended with items measuring specific components of FIT and its psychometric properties investigated in a validation study with 171 FIT patients with diabetes. A new Change(C) version of DTSQ extended for FIT was used together with the DTSQ(S) by 52 participants in a subsequent randomised cross-over study involving new fast-acting lispro vs. regular insulin, where treatment satisfaction was the primary outcome variable. Insulin lispro use improved satisfaction (p ≤ 0.001) both, on classical and extended versions of DTSQ(S) and (C), despite high baseline levels of satisfaction. However, the DTSQ(C) augmented the effects of lispro (p = 0.0001) apparent on DTSQ(S) scores and revealed significant treatment effects (p ≤ 0.01) not significant with DTSQ(S). In parallel, glycaemic control improved with lispro (e.g., HbA1c, p = 0.023). Improved satisfaction with treatment was more apparent with DTSQ(C) than DTSQ(S) in patients who at baseline were at or near ceiling for treatment satisfaction.
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  • 76
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    Quality of life research 9 (2000), S. 931-940 
    ISSN: 1573-2649
    Keywords: HIV/AIDS ; Measurement ; Quality of life ; Women
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Although women had been under recognized in the literature on HIV/AIDS, increasing numbers of studies have focused on the lives and experiences of women living with HIV/AIDS. Areas of research in which the study of women and HIV continues to be noticeably lacking include health related quality of life (HRQOL). This paper describes HRQOL in an inner city sample of 287 HIV positive non-pregnant women, interviewed as part of a larger multi-site CDC funded study of the reproductive health of women. The average age of the respondents was 33 years and women had known their HIV status an average of 41 months. HRQOL was assessed using a 17-item modified version of the Medical Outcomes Study-HIV Health Survey and demonstrated acceptable internal consistency (0.64-0.89) and variability. Women in our study were similar to other HIV-positive female samples and reported lower levels of well-being and functioning than some HIV-positive male samples. Women's responses to individual items and areas of potential need for health care are discussed. Examination of HRQOL in women with HIV can aid in the comparison of how women and men are affected by HIV and can help health care professionals identify needed services and include possible interventions to promote quality of life.
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  • 77
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    Quality of life research 9 (2000), S. 1041-1052 
    ISSN: 1573-2649
    Keywords: Cancer ; Proxy ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The objective of the study was to determine possible differences in perception of quality of life (QoL) between patients with metastatic breast or prostate cancer, their partners, and the treating physician. Patients with metastatic breast cancer (n = 71), and metastatic prostate cancer (n = 29), a partner, and the physician each completed the same QoL questionnaire indicating how they perceived the patient's QoL. The European organization for research and treatment of cancer (EORTC) QLQ-C30 questionnaire was used to assess patients with breast cancer and the modified prostate cancer specific quality of life instrument (PROSQOLI) for patients with prostate cancer. There was reasonable agreement in mean scores between patients, and physicians or partners, for many domains of QoL; however, there was substantial discordance between scores when considering individual patients. For patients with metastatic breast cancer, physicians systematically underestimated overall QoL (p = 0.0002), social functioning (p = 0.001), and role functioning (p = 0.008), while partners showed better agreement. With prostate cancer physicians tended to underestimate pain, while mean scores for spouses were more concordant. There is substantial variability between ratings of QoL by physicians or partners, as compared to patient ratings. Medical decisions should be based on information about QoL provided by patients using validated methods.
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  • 78
    ISSN: 1573-2649
    Keywords: Prostate cancer ; Psychometrics ; Quality of life ; Questionnaire
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Quality of life in prostate cancer patients with clinically localized disease has become the focus of increasing attention over the past decade. However, few instruments have been developed and validated to assess quality of life specifically in this patient population. Objective: The purpose of this investigation was to create a comprehensive, multi-scale quality of life instrument that can be tailored to the needs of the clinician/investigator in multiple settings. Design, subjects, and measures: Patients diagnosed with clinically localized prostate cancer were mailed a questionnaire consisting of new and previously validated quality of life items and ancillary scales. Data from returned questionnaires were analyzed and used to create a multi-scale instrument that assesses the effects of treatment and disease on urinary, sexual, and bowel domains, supplemented by a scale assessing anxiety over disease course/effectiveness of treatment. The instrument was then mailed to a second sample of prostate cancer patients once and then again two weeks later to assess test-retest reliability. To assess feasibility in clinical settings, the instrument was self-administered to a third patient sample during a urology clinic visit. Results: All scales exhibited good internal consistency and test-retest reliability, convergent and discriminant validity, and significant correlations with disease specific, generic health-related, and global measures of quality of life. Men with greater physiologic impairment reported more limitations in role activities and more bother. Scales were also able to differentiate patients undergoing different therapies. All scales exhibited negligible correlations with a measure of socially desirable responding. Additionally, the instrument proved feasible when used as a self-administered questionnaire in a clinical setting. Conclusions: The current instrument possesses brief multi-item scales that can be successfully self-administered in multiple settings. The instrument is flexible, relatively quick, psychometrically reliable and valid, and permits a more comprehensive assessment of patients' quality of life.
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  • 79
    ISSN: 1573-2649
    Keywords: Fluctuations ; Health state utilities ; Parkinson's disease ; Preference measurement ; Quality of life
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to derive patient preferences and utilities for outcomes associated with treatment of motor fluctuations, or ‘off-time’ for patients with Parkinson's disease (PD). Visual analog scale (VAS) and standard gamble (SG) approaches were used with 60 patients to determine patient preferences and utilities for 10 health state descriptions. Health state descriptions were categorized according to two factors: disease severity, and proportion of the day with ‘off-time’. There were two representative levels of disease severity, based on Hoehn and Yahr stages 1.5 and 2.5: unilateral disease with no postural instability, and bilateral disease with some postural instability. These severity levels were combined with five levels of ‘off-time’ per day ranging from none to 〉 75% of the day. Patients' mean preference or utility for their own current health ranged from 0.65 ± 0.20 (VAS) to 0.74 ± 0.22 (SG). Patients assigned the lowest mean values to the health state description for Hoehn and Yahr stage 2.5 with ‘off-time’ for 〉 75% of the day (VAS: 0.17 ± 0.17; SG: 0.49 ± 0.27). The highest mean values were assigned to Hoehn and Yahr stage 1.5 with no ‘off-time’ (VAS: 0.83 ± 0.17; SG: 0.85 ± 0.18). The results of this study indicated patients with PD would likely seek treatment that would minimize the amount of ‘off-time’ experienced per day, and that patients were relatively risk averse.
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  • 80
    ISSN: 1573-4919
    Keywords: tumour necrosis factor ; receptors ; subtypes ; calcium ; apoptosis ; cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Tumour necrosis factor-α (TNF) receptors mediate a variety of effects dependent on cell type. A role for Ca2+ in TNF-induced death remains uncertain. Here we investigated restricting intracellular/extracellular Ca2+ in HeLa epithelial carcinoma cells expressing low and high levels of p75TNFR receptor subtype and KYM-1 rhabdomyosarcoma cells, models of rapid TNF-induced apoptosis. Ca2+-chelators EGTA and BAPTA-AM as well as microsomal Ca2+-ATPase inhibitor thapsigargin, did not alter TNF-induced death. TNF was also unable to alter resting [Ca2+]i levels which remained 〈 200 nM even during times when these cells were undergoing apoptotic cell death. These findings indicate no role for modulated Ca2+ concentrations in TNF-induced apoptotic cell death.
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  • 81
    ISSN: 1573-4919
    Keywords: phosphatidylserine ; base exchange ; apoptosis ; thymocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The exposure of phosphatidylserine toward the external surface of the membrane is a well-established event of programmed cell death. The possibility that an apoptotic stimulus influences the metabolism of this phospholipid could be relevant not only in relation to the previously mentioned event but also in relation to the capability of membrane phosphatidylserine to influence PKC activity. The present investigation demonstrates that treatment of mouse thymocytes with the apoptotic stimulus dexamethasone, enhances the incorporation of [3H]serine into phosphatidylserine. Cell treatment with dexamethasone also enhanced the activity of serine base exchange enzyme, assayed in thymocyte lysate. Both the effects were observed at periods of treatment preceding DNA fragmentation. The addition of unlabelled ethanolamine, together with [3H]serine to the medium containing dexamethasone-treated thymocytes lowered the radioactivity into phosphatidylserine. Serine base exchange enzyme activity was influenced by the procedure used to prepare thymocyte lysate and was lowered by the addition of fluoroaluminate, that is widely used as a G-protein activator. The increase of serine base exchange enzyme activity induced by dexamethasone treatment was observed independently by the procedure used to prepare cell lysate and by the presence or absence of fluoroaluminate.
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  • 82
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    Molecular and cellular biochemistry 212 (2000), S. 35-43 
    ISSN: 1573-4919
    Keywords: cAMP ; CRE ; Cox-2 ; NO ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Previous studies revealed that expression and activation of cyclooxygenase-2 (Cox-2) conveyed a protective principle in murine macrophages, thus attenuating pro-apoptotic actions of chemotherapeutic agents or programmed cell death as a result of massive nitric oxide (NO) generation. Expression of Cox-2 was achieved by treatment of cells with lipopolysaccharide/interferon-γ or nontoxic doses of NO releasing agents. We reasoned E-type prostanoid formation, and in turn an intracellular cAMP increase as the underlying protective mechanism. To prove our hypothesis, we analyzed the effects of lipophilic cAMP-analogs on NO, cisplatin, or etoposide induced apoptosis in RAW 264.7 macrophages. Selected apoptotic parameters comprised DNA fragmentation (diphenylamine assay), annexin V staining of phosphatidylserine, caspase activity (quantitated by the cleavage of a fluorogenic caspase-3-like substrate Ac-DEVD-AMC), and mitochondrial membrane depolarisation (ΔΨ). Western blots detected accumulation of the tumor suppressor protein p53, relocation of cytochrome c to the cytosol, and expression of the anti-apoptotic protein Bcl-xL. Prestimulation with lipophilic cAMP-analogs attenuated apoptosis with the notion that cell death parameters were basically absent. To verify gene induction by cAMP in association with protection we established activation of cAMP response element binding protein (CREB) by gel-shift analysis and moreover, treated macrophages with oligonucleotides containing a cAMP-responsive element (CRE) in order to scavenge CREB. Decoy oligonucleotides, but not control oligonucleotides, attenuated cAMP-evoked protection and reestablished pro-apoptotic parameters. We conclude that gene induction by cAMP protects macrophages towards apoptosis that occurs as a result of excessive NO formation or addition of chemotherapeutica. Attenuating programmed cell death by the cAMP-signaling system may be found in association with Cox-2 expression and tumor formation.
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  • 83
    ISSN: 1573-4919
    Keywords: T-type Ca2+ channel ; polyglutamine-expanded androgen receptor ; CAG trinucleotide repeats ; spinobulbar muscular atrophy ; apoptosis ; motorneuron ; cell lines ; neuroblastoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract We have analyzed Ca2+ currents in two neuroblastoma-motor neuron hybrid cell lines that expressed normal or glutamine-expanded human androgen receptors (polyGln-expanded AR) either transiently or stably. The cell lines express a unique, low-threshold, transient type of Ca2+ current that is not affected by L-type Ca2+ channel blocker (PN 200-110), N-type Ca2+ channel blocker (ω-conotoxin GVIA) or P-type Ca2+ channel blocker (Agatoxin IVA) but is blocked by either Cd2+ or Ni2+. This pharmacological profile most closely resembles that of T-type Ca2+ channels [1-3]. Exposure to androgen had no effect on control cell lines or cells transfected with normal AR but significantly changed the steady-state activation in cells transfected with expanded AR. The observed negative shift in steady-state activation results in a large increase in the T-type Ca2+ channel window current. We suggest that Ca2+ overload due to abnormal voltage-dependence of transient Ca2+ channel activation may contribute to motor neuron toxicity in spinobulbar muscular atrophy (SBMA). This hypothesis is supported by the additional finding that, at concentrations that selectively block T-type Ca2+ channel currents, Ni2+ significantly reduced cell death in cell lines transfected with polyGln-expanded AR.
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  • 84
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    Molecular and cellular biochemistry 203 (2000), S. 59-71 
    ISSN: 1573-4919
    Keywords: PTEN tumor suppressor ; cyclin-dependent kinase inhibitors ; apoptosis ; chemosensitivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The recently discovered tumor suppressor gene PTEN has been found mutated in many types of advanced tumors. When introduced into tumor cells that lack the wild-type allele of the gene, PTEN was able to suppress the growth of these cells. Here, we have analyzed how PTEN might alter cell cycle-regulatory controls to achieve this growth-inhibitory effect. We found that overexpression of PTEN stimulates the synthesis of three inhibitors of cyclin-dependent kinases, p21WAF1, p27KIP1, and p57,KIP2. This effect is very specific, as the expression of other components of the cell cycle engine, various cyclins and cyclin-dependent kinases, is not affected. For p21WAF1 we show that this induction is due to the p53-independent transcriptional activation of its promoter. In addition, increased expression of PTEN rendered the cells more sensitive to apoptotic cell death. Therefore, our data suggest a two-fold mechanism of growth inhibition by PTEN: one that acts via the increased expression of CKIs such as p21WAF1, and another that augments the cellular propensity for apoptotic cell death.
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  • 85
    ISSN: 1573-4919
    Keywords: retinoic acid ; RARβ ; protein kinase A ; apoptosis ; caspase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Both cAMP and retinoids play a role in cell differentiation and the control of cell growth. A site-selective cAMP analog, 8-Cl-cAMP and retinoic acid synergistically inhibit growth and induce apoptosis in certain cancer cells. In advanced or recurrent malignant diseases, retinoic acid (RA) is not effective even at doses that are toxic to the host. The objective of our present study was to examine the mechanism(s) of synergistic effects of retinoic acid (9-cis, 13-cis or all-trans RA) and 8-Cl-cAMP on apoptosis in human ovarian cancer NIH: OVCAR-3 and OVCAR-8 cells. RA induced growth inhibition and apoptosis in OVCAR-3 and OVCAR-8 cells. 8-Cl-cAMP acted synergistically with RA in inducing and activating retinoic acid receptor β (RARβ) which correlates with growth inhibition and apoptosis in both cell types. In addition, induction of apoptosis by RA plus 8-Cl-cAMP requires caspase-3 activation followed by cleavage of anti-poly(ADP-ribose) polymerase. Furthermore, mutations in CRE-related motif within the RARβ promoter resulted in loss of both transcriptional activation of RARβ and synergy between RA and 8-Cl-cAMP. RARβ expression appears to be associated with induction of apoptosis. Introduction of the RARβ gene into OVCAR-3 cells resulted in gain of RA sensitivity. Loss of RARβ expression, therefore, may contribute to the tumorigenicity of human ovarian cancer cells. Thus, combined treatment with RA and 8-Cl-cAMP may provide an effective means for inducing RARβ expression leading to apoptosis in ovarian cancer cells.
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  • 86
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    Molecular and cellular biochemistry 204 (2000), S. 83-88 
    ISSN: 1573-4919
    Keywords: FHIT ; cell cycle ; ecdysone ; tumor suppressor ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The mechanism of tumor suppressor action of the fragile histidine triad (FHIT) gene is unknown. Disruption of cell cycle regulation leads to the tumor formation and many tumor suppressor genes suppress tumorigenesis through their effect on cell cycle regulation. We examined the expression of FHIT during the cell cycle, and determined whether overexpression of FHIT affects cell cycle kinetics and apoptosis. The FHIT cDNA was cloned into the ecdysone-inducible expression vector in both the sense and antisense orientations. Overexpression of the sense or antisense construct did not affect cell proliferation, cell cycle distribution or apoptosis in human 293T cells. Analysis of the FHIT expression in 293T cells collected at various cell cycle phases showed that the expression of FHIT is not under cell cycle regulation. These results indicate that the tumor suppressor activity of the FHIT gene may be independent of an effect on the cell cycle and apoptosis mechanisms.
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  • 87
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    Molecular and cellular biochemistry 207 (2000), S. 19-27 
    ISSN: 1573-4919
    Keywords: PKC ; apoptosis ; bile acid ; hepatocyte
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The effect of GCDC-induced apoptosis on PKC activity and PKC's role in GCDC-induced hepatocyte apoptosis is unclear. The specific aims of this study were to determine if GCDC-induced apoptosis changed intracellular PKC activity and if modulation of PKC activity affected GCDC-induced hepatocyte apoptosis. Apoptosis was induced in isolated hepatocytes using GCDC. PKC activity was measured and specific PKC and calpain inhibitors were used to study the effects of PKC and calpain modulation on GCDC-induced apoptosis. After 4 h exposure, 50 μM GCDC induced apoptosis in 42% of hepatocytes. Intracellular PKC activity decreased to 44% of controls 2 h after exposure of hepatocytes to GCDC (p 〈 0.001). Pre-incubation of hepatocytes with the calpain protease inhibitor restored PKC activity in GCDC exposed hepatocytes to 91± 5% of control cells. Pre-incubation of hepatocytes with a calpain inhibitor decreased GCDC-induced apoptosis as did pre-incubation with the PKC activating phorbol ester, PMA. The combination of calpain inhibition and PMA further reduced GCDC-induced apoptosis but caused low level hepatic apoptosis. Inhibition of PKC with chelerythrine also substantially reduced GCDC-induced hepatocyte apoptosis. GCDC-induced apoptosis is associated with decreases in total cellular PKC activity, which appear to be dependent on intracellular calpain-like protease activity. The combination of protease inhibition and phorbol ester pretreatment preserved total cellular PKC activity and decreased GCDC-induced apoptosis but induced low level apoptosis in the absence of GCDC exposure. PKC inhibition also decreased GCDC-induced hepatocyte apoptosis highlighting the complex interactions of PKC and proteases during GCDC-induced apoptosis.
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  • 88
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    Molecular and cellular biochemistry 212 (2000), S. 19-28 
    ISSN: 1573-4919
    Keywords: melanoma ; transcription factors ; CREB ; invasion ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The purpose of this study was to determine the role of CREB and its associated proteins in melanoma progression. We used MeWo human melanoma cells transfected with a dominant negative construct of CREB, KCREB. KCREB has a mutation in its DNA-binding domain and can not bind the CRE element. Expression of KCREB yields proper heterodimerization with CREB and its associated proteins, but the proteins associated with KCREB do not confer the same degree of transcriptional activity as they would in the case of wild-type CREB. Here, we demonstrate that expression of KCREB in MeWo melanoma cells leads to a decrease in their tumorigenicity and metastatic potential in nude mice. We identified two mechanisms that explain at least partially this effect of KCREB. The first, is one in which CREB and its associated proteins play an essential role in invasion. We showed that the invasive properties of KCREB-transfected MeWo cells were reduced due to the downregulation of the CRE-dependent expression of the type IV collagenase MMP-2 and the adhesion molecule MCAM/MUC18. In the second mechanism, CREB and its associated proteins act as survival factors for human melanoma cells. Here we demonstrated that expression of KCREB in MeWo cells rendered them susceptible to apoptosis induced by thapsigargin, which in turn increased the intracellular level of Ca2+. Thapsigargin induced CREB and ATF-1 phosphorylation and activated CRE-dependent transcription in MeWo cells. Collectively, our data demonstrate that CREB and its associated proteins play an important role in tumor growth and metastasis of human melanoma.
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  • 89
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    Cancer and metastasis reviews 19 (2000), S. 87-92 
    ISSN: 1573-7233
    Keywords: angiogenesis ; endothelial cell survival ; apoptosis ; thrombospondin-1
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Angiogenesis is a process of capillary formation from pre-existing blood vessels. It is tightly controlled by the balance between positive and negative environmental signals – inducers and inhibitors of angiogenesis in such a way that predominance of inducers results in angiogenesis and predominance of inhibitors – in vascular quiescence. Here we discuss the ability of the angiogenic stimuli to promote survival and the pathways they may utilize. We also summarize information available on the signaling events elicited in the endothelial cells by a naturally occurring inhibitor of angiogenesis Thrombospondin-1 (TSP-1), that result in the endothelial cell apoptosis and inhibition of angiogenesis in vivo. This ability to cause programmed cell death in vascular endothelium is not unique to TSP-1. A substantial number of known angiogenesis inhibitors can also trigger apoptosis in the activated endothelial cells. This fact argues for the possibility of apoptosis to be a common denominator for a major fraction of anti-angiogenic molecules. If this is the case, it is equally possible that the ratio between environmental factors that control angiogenesis is interpreted within individual endothelial cell as a balance between pro-apoptotic and survival signals. Thus the relative strength of the death and survival signal or signals determines the fate of endothelial cell and therefore the fate of remodeling vessel.
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  • 90
    ISSN: 1573-7039
    Keywords: estrous cycle ; mammary gland ; rat ; proliferation ; differentiation ; apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The Sprague-Dawley rat is highly regarded for studies designed to investigate the effects of endocrine modulation on mammary carcinogenesis. In this study, we further evaluate the validity of the Sprague-Dawley rat model for the study of human breast cancer by evaluating the effects of normal 4-day estrous cycling on mammary epithelial cell proliferation, differentiation, and apoptotic death. Trends in mammary gland development with stage of 4-day estrous cycle were evident. Mammary glands isolated from follicular and early luteal stages had predominantly ductal histoarchitecture, whereas glands isolated from mid-late luteal were predominantly lobuloalveolar. Quantitation of BrdU incorporation revealed that epithelial cell proliferation was eight-fold higher in metestrus and diestrus-1 than in proestrus. Expression of β-casein and whey acidic protein (WAP)4 mRNA was also highly dependent on stage of estrous, with detection restricted to midcycle. Apoptotic cell death of mammary epithelium was found to be suppressed during the peak in cell proliferation. TRPM-2/clusterin mRNA was elevated when apoptosis was low and milk protein mRNA levels were high, consistent with putative roles for TRPM-2/clusterin in inhibiting cell death in regressing tissues and inducing mammary epithelial cell differentiation. Cell proliferation, differentiation, and death occurred only in a subset of epithelial cells per estrous cycle, and these cells appeared randomly distributed throughout multiple ductules and alveoli. These observations suggest that cellular response(s) to ovarian hormone-dependent signals is asynchronous. Cumulatively, these observations demonstrate that rat mammary epithelial cell proliferation, differentiation, and death are under the control of cycling ovarian hormones, similarly to the human mammary epithelium during the menstrual cycle.
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  • 91
    ISSN: 1573-7276
    Keywords: apoptosis ; butyrate ; cell cycle ; cholesteryl butyrate ; drug delivery ; melanoma ; solid lipid nanospheres
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Literature data show that butyric acid derivatives bear a dose-dependent differentiative anti-proliferative activity on cancer cell lines and that apoptosis induction may play a major role. Although it was recently shown that solid lipid nanospheres (SLNs) are a suitable tool for several in vivo drug administration routes, there is little available information on melanoma cell lines. This study was aimed at evaluating the anti-proliferative and apoptotic in vitro effects of cholesteryl butyrate (chol-but) SLNs on melanoma cells. Increasing concentrations of chol-but SLNs were used to test two melanoma cell lines. Both cell lines were treated with Na-butyrate (Na-but) and chol-but SLNs for viability. Those tested with chol-but SLNs were more effective than Na-butirate (3 to 72 h). The apoptotic effects of chol-but SLNs were evaluated between 3 and 72 h by annexin-V (ANX-V)/propidium iodide (PI) staining and the antiproliferative effect by PI staining. Apoptosis anti-proliferative-regulatory proteins as bcl-2, Fas/APO1 (CD95) and PCNA (PC10) were also investigated. Flow cytometric analyses evidenced a G0/1-S transition block and a `sub-G0/1' apoptotic peak from 0.5 to 1.0 mM butyric acid. In ANX-V/PI flow cytometric staining, a dose- and time-dependent increase in the apoptotic cell percentage (ANX-V+) coupled with a down-regulation of PC10 and bcl-2 and a parallel up-regulation of Fas/APO1 (CD95) were found in both lines started after 3 to 24 h of chol-but SLNs treatment. Results show that chol-but SLNs exerts a dose/time-dependent effect in melanoma cell apoptosis induction between 3 and 24 h and a dose but not time-dependent effect after 24 h of treatment.
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  • 92
    ISSN: 1573-7284
    Keywords: GHQ-28 ; Ischaemic heart disease ; Mental health ; Quality of life ; SF-36 ; Validity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To assess the mental health of patients admitted to hospital with suspected ischaemic heart disease, by means of two instruments, the General Health Questionnaire (GHQ-28) and the MH (1–5) dimension of the SF-36 Health Survey Questionnaire, and to compare the psychometric properties of both questionnaires in this population. Methods: A study was conducted of 185 patients consecutively admitted to hospital with suspected ischaemic heart disease, classified into four groups: Acute Myocardial Infarctus (AMI), unstable angina, non-ischaemic cardiologies, and non-cardiological conditions. Their mental health was assessed by means of the GHQ-28 and the MH 1–5 sub-scales of the SF-36; the validity of the results were analysed by the association of each instrument with socio-demographic (age, sex, social class, and educational level) and clinical (co-morbidity, risk factors, diagnostic groups and background to the illness) variables. The correlation of each instrument with other sub-scales of the SF-36 was studied. The internal consistency was measured by Cronbach's α, together with the item-internal consistency and item-discriminant validity. Results: Of the population studied, 71.9% were males and the mean age was 60.2 years (SD: 10.4). The diagnosis for 33.5% was AMI and for 37.8% unstable angina. For all the variables studied, the scores in the two instruments were ordered in the same way, and were significantly worse for females and for the most disadvantaged social class. None of the scales discriminated in respect of the diagnostic group or the presence of comorbidity. However, a linear relationship was observed with risk factors. Cronbach's α was 0.95 for the GHQ-28 and 0.80 for the MH 1–5. Correlations with the other dimensions showed ranges of −0.35 to −0.61 for the GHQ-28 and of 0.26 to 0.61 for the MH 1–5. These were highest for the Vitality and Social Functioning sub-scales in both instruments. Conclusions: The subjective perception of mental health is measured in a similar way by both the MH 1–5 scale of the SF-36 and the GHQ-28. However, since the MH 1–5 questionnaire is shorter, it should be administratively easier to introduce into routine cardiological practice.
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  • 93
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    Journal of assisted reproduction and genetics 17 (2000), S. 168-173 
    ISSN: 1573-7330
    Keywords: Aging ; apoptosis ; granulosa cells ; in vitro fertilization ; oocyte quality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: The objective was to determine the effects of women'sage on the ovarian fecundity as assessed by the incidenceof apoptotic granulosa cells. Methods: Twenty-eight normo-ovulatory women underwentovulation induction for standard IVF. The husbands of thesewomen showed severe male infertility factors. The womenwere divided into four groups according to their ages. Womenunderwent follicle aspiration after the administration ofhuman menopausal gonadotropin plus human chorionicgonadotropin. The nuclei of granulosa cells were examinedby using fluorescence microscopy, and the incidence of apoptotic granulosa cells was tabulated. Results: Granulosa cells in the older women revealed asignificant increase in the number of apoptotic cells. Thenumber of total oocytes and the number of mature oocytesobtained significantly decreased with age. However, endometrial thickness and follicular estradiol, progesterone, andfree testosterone levels were not significantly different amongfour different age groups. Conclusions: Age increases apoptotic changes in granulosacells and consequently decreases the ovarian fecundity.
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  • 94
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    Journal of bioenergetics and biomembranes 32 (2000), S. 15-25 
    ISSN: 1573-6881
    Keywords: Mitochondria ; endoplasmic reticulum ; Ca2+ ; IP3 ; local signaling ; energy metabolism ; apoptosis ; necrosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Physics
    Notes: Abstract Many agonists bring about their effects on cellular functions through a rise incytosolic [Ca2+]([Ca2+]c) mediated by the second messenger inositol 1,4,5-trisphosphate (IP3). Imaging studiesof single cells have demonstrated that [Ca2+]c signals display cell specific spatiotemporalorganization that is established by coordinated activation of IP3 receptor Ca2+ channels.Evidence emerges that cytosolic calcium signals elicited by activation of the IP3 receptors areefficiently transmitted to the mitochondria. An important function of mitochondrial calciumsignals is to activate the Ca2+-sensitive mitochondrial dehydrogenases, and thereby to meetdemands for increased energy in stimulated cells. Activation of the permeability transitionpore (PTP) by mitochondrial calcium signals may also be involved in the control of cell death.Furthermore, mitochondrial Ca2+ transport appears to modulate the spatiotemporal organizationof [Ca2+]c responses evoked by IP3 and so mitochondria may be important in cytosolic calciumsignaling as well. This paper summarizes recent research to elucidate the mechanisms andsignificance of IP3-dependent mitochondrial calcium signaling.
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  • 95
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    Journal of bioenergetics and biomembranes 32 (2000), S. 35-46 
    ISSN: 1573-6881
    Keywords: Ca2+ signaling ; inositol 1,4,5-trisphosphate receptor ; mitochondrial Ca2+ uptake ; mitochondrial Ca2+ efflux ; permeability transition ; apoptosis ; Bcl-2 family
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Physics
    Notes: Abstract Cellular Ca2+ signals are crucial in the control of most physiological processes, cell injuryand programmed cell death; mitochondria play a pivotal role in the regulation of such cytosolicCa2+ ([Ca2+]c) signals. Mitochondria are endowed with multiple Ca2+ transport mechanismsby which they take up and release Ca2+ across their inner membrane. These transport processesfunction to regulate local and global [Ca2+]c, thereby regulating a number of Ca2+-sensitivecellular mechanisms. The permeability transition pore (PTP) forms the major Ca2+ effluxpathway from mitochondria. In addition, Ca2+ efflux from the mitochondrial matrix occursby the reversal of the uniporter and through the inner membrane Na+/Ca2+ exchanger. Duringcellular Ca2+ overload, mitochondria take up [Ca2+]c, which, in turn, induces opening of PTP,disruption of mitochondrial membrane potential (ΔΨm) and cell death. In apoptosis signaling,collapse of ΔΨ;m and cytochrome c release from mitochondria occur followed by activationof caspases, DNA fragmentation, and cell death. Translocation of Bax, an apoptotic signalingprotein from the cytosol to the mitochondrial membrane, is another step during thisapoptosis-signaling pathway. The role of permeability transition in the context of cell death in relationto Bcl-2 family of proteins is discussed.
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  • 96
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    Neurochemical research 25 (2000), S. 71-76 
    ISSN: 1573-6903
    Keywords: Arginylation ; post-translational modification ; apoptosis ; PC12 cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of this study was to analyze the N-terminal post-translational incorporation of arginine into cytosolic proteins from cultured cells and the in vitro incorporation of arginine into soluble proteins of PC12 cells after serum deprivation. Arginine incorporation was measured in the presence of protein synthesis inhibitors. None of the inhibitors used affected significantly the arginylation reaction while the novo synthesis of protein was reduced by 98%. Under these conditions, we found that of the total [14C]arginine incorporated into the proteins, around 20% to 40% was incorporated into the N-terminal position of soluble proteins by a post-translational mechanism. These results suggest that this post-translational aminoacylation may be a widespread reaction in neuronal and non-neuronal cells. We also found that in PC12 cells, the in vitro post-translational arginylation was 60% higher in apoptotic cells with respect to control cells. These findings suggest that the post-translational arginylation of proteins may be involved in programmed cell death.
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  • 97
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    Neurochemical research 25 (2000), S. 341-347 
    ISSN: 1573-6903
    Keywords: Neuronal survival ; apoptosis ; Heat-Shock Proteins ; HSP-70 ; NMDA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cerebellar granule cells (CGC) die apoptotically after five days in culture (DIV) at physiological concentrations of potassium (5 mM; K5). When CGC are depolarized (K25) or treated with NMDA (150 μM) cell survival is increased. CGC changed from K25 to K5 die after 24–48 h. It is known that heat shock protein (HSP) may protect from cell death. Here, we found that cells in K5 showed an increase in HSP-70 levels after 3 DIV. Similarly, in cells changed from K25 to K5, HSP-70 levels were increased after 6 h. Neither NMDA nor K25 treatment affected HSP-70 levels from 2–7 DIV. Ethanol or thermal stress induced HSP-70, but cell survival was not affected in K5 medium. These results suggest that HSP, particularly HSP-70, are not involved in the mechanisms by which NMDA and KCl promote cell survival.
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  • 98
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    Breast cancer research and treatment 62 (2000), S. 223-235 
    ISSN: 1573-7217
    Keywords: adriamycin ; apoptosis ; DNA damage ; growth arrest ; ionizing radiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Breast tumor cells are relatively refractory to apoptosis in response to modalities which induce DNA damage such as ionizing radiation and the topoisomerase II inhibitor, adriamycin. Various factors which may modulate the apoptotic response to DNA damage include the p53 status of the cell, levels and activity of the Bax and Bcl-2 families of proteins, activation of NF-kappa B, relative levels of insulin like growth factor and insulin-like growth factor binding proteins, activation of MAP kinases and PI3/Akt kinases, (the absence of) ceramide generation and the CD95 (APO1/Fas) signaling pathway. Prolonged growth arrest associated with replicative senescence may represent an alternative and reciprocal response to DNA-damage induced apoptosis that is p53 and/or p21waf1/cip1 dependent while delayed apoptosis may occur in p53 mutant breast tumor cells which fail to maintain the growth-arrested state. Clearly, the absence of animmediate apoptotic response to DNA damage does not eliminate other avenues leading to cell death and loss of self-renewal capacity in the breast tumor cell. Nevertheless, prolonged growth arrest (even if ultimately succeeded by apoptotic or necrotic cell death) could provide an opportunity for subpopulations of breast tumor cells to recover proliferative capacity and to develop resistance to subsequent clinical intervention.
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  • 99
    ISSN: 1573-7217
    Keywords: adriamycin ; apoptosis ; breast tumor cells ; EB 1089 ; vitamin D
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Exposure of MCF-7 breast tumor cells to the vitamin D3 analog, EB 1089 enhances the response to adriamycin. Clonogenic survival studies indicate that EB 1089 shifts the dose-response curve for sensitivity to adriamycin by approximately six-fold in p53 wild-type MCF-7 cells; comparative studies in MCF-7 cells with a temperature-sensitive dominant negative p53 mutation show less than a two-fold shift in adriamycin sensitivity in the presence of EB 1089. The combination of EB 1089 with adriamycin also promotes apoptotic cell death in the p53 wild-type MCF-7 cells but not in the MCF-7 cells expressing mutant p53. EB 1089 treatment blocks the increase in p21waf1/cip1 levels induced by adriamycin and interferes with induction of MAP kinase activity by ionizing radiation, effects which could be related to the capacity of EB 1089 to promote secretion of insulin-like growth factor binding protein. Taken together with our previous findings that EB 1089 enhances breast tumor cell sensitivity to ionizing radiation, there studies further support the concept that vitamin D3 analogs could have utility in combination with conventional chemotherapy and/or radiotherapy in the treatment of breast cancer.
    Type of Medium: Electronic Resource
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  • 100
    ISSN: 1573-7217
    Keywords: apoptosis ; breast cancer ; melatonin ; retinoic acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract It has been established that melatonin (Mlt) and retinoic acid, individually, inhibit the proliferation of the estrogen receptor-alpha (ERα)-positive MCF-7 breast cancer cell line. Our laboratory has previously demonstrated that Mlt and all-trans-retinoic acid (atRA) not only inhibit the proliferation, but also induce apoptosis of MCF-7 cells when used in a sequential regimen of Mlt followed 24 h later by atRA. Using this same MCF-7 breast cancer cell line, we investigated the potential pathways through which apoptosis is being induced. We found that treatment of MCF-7 cells with Mlt for 24 h before the addition of atRA decreased the protein levels of the death suppressor, Bcl-2, and increased, although with different time courses, the levels of the death promoters, Bax and Bak; however, there was no change in the levels of the tumor suppressor gene, p53. MCF-7 cells treated sequentially with Mlt and atRA also demonstrated an enhanced sensitivity to the apoptotic effects of atRA, which did not appear to be due to increased expression of the retinoic acid receptors, RARα or RXRα, but rather to enhanced transcriptional activity of the RARα. These data suggest that the sequential treatment regimen of Mlt and atRA may induce apoptosis by modulation of members of the Bcl-2 family of proteins. Thus, this combinatorial regimen, which reduces the concentration of atRA needed for clinical efficacy while enhancing its anti-tumorigenic activity, could be of great therapeutic benefit, and may, in fact, specifically induce the regression of established breast tumors due to its apoptosis-promoting effects.
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