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  • 1
    ISSN: 1432-1440
    Keywords: Bone marrow transplantation ; Acute leukaemia ; Knochenmarktransplantation ; akute Leukämie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Rahmen der Arbeitsgemeinschaft Knochenmarktransplantation München wurden von August 1975 bis Juni 1980 insgesamt 17 Patienten mit rezidivierter, akuter Leukämie mit Knochenmark von HLA-identischen Geschwistern transplantiert. Die antileukämische und immunsuppressive Vorbehandlung bestand aus BCNU, Cytosin-Arabinosid, Cyclophosphamid in hoher Dosierung und Ganzkörperbestrahlung mit etwa 9 Gy Körpermitteldosis an einer60Co-Doppelbestrahlungsanlage. Die Prophylaxe einer Graft-versus-Host Krankheit (GvHK) wurde in allen Fällen mit Methotrexat durchgeführt, bei neun Patienten wurde als zusätzliche GvHK-Prophylaxe das Knochenmark mit Anti-T-Zell-Globulin inkubiert, von dem die Antikörper gegen hämopoetische Stammzellen absorbiert waren. Zwei von fünf auswertbaren Patienten, die unbehandeltes Knochenmark erhalten hatten, entwickelten chronische GvHK, während kein Patient nach ATCG-Inkubation des Knochenmarkes eindeutige GvH-Krankheit bekam. Sechs Patienten leben in Vollremission zwischen einem und 33 Monaten nach Knochenmarktransplantation (KMT). Fünf Patienten starben mit Rezidiven zwischen 3 1/2 und 24 Monaten nach KMT, drei Patienten mit interstitieller Pneumonie innerhalb von 3 Monaten nach KMT und drei Patienten innerhalb von 4 Wochen ohne ausreichende Knochenmarkfunktion. Vier von 13 Patienten, die vor mehr als 6 Monaten transplantiert wurden, überleben zur Zeit 11, 14, 19 und 33 Monate in Vollremission. Unsere Ergebnisse bestätigen, daß selbst in fortgeschrittenen Stadien akuter Leukämie durch KMT noch langfristige Remissionen erreichbar sind.
    Notes: Summary Seventeen patients with relapsed, acute leukemia were grafted with bone marrow from HLA-identical siblings by the ‘Munich Cooperative Group for Bone Marrow Transplantation’ during the period from August 1975 to June 1980. The antileukemic and immunosuppressive conditioning treatment consisted of high doses of Bischlorethyl nitrosourea, Cytosine-Arabinoside and Cyclophosphamide, as well as, total body irradiation of about 9 Gy (midline body dose) from dual60Cobalt sources. Methotrexate was given to all patients for prophylaxis of graft-versus-host disease (GvHD). Nine patients received marrow that was treated with anti-T-cell globulin (ATCG) “in vitro”. — Crossreacting antibodies against hemopoietic stem cells were removed by absorption. Two of 5 evaluable patients given untreated marrow developed chronic GvHD, while patients given ATCG-treated marrow did not show unequivocal symptoms of GvHD. Six patients are in complete remission one to 33 months following bone marrow transplantation (b.m.t.) Five patients died with relapses of leukemia between 3 1/2 and 24 months following b.m.t., 3 patients died with interstitial pneumonia within 3 months of b.m.t. and 3 patients died with insufficient graft function within 4 weeks of b.m.t. Four of thirteen patients that were grafted more than 6 months ago are presently alive and in continuous complete remission at 11, 14, 29 and 33 months following b.m.t. Our results confirm that longterm remissions can be obtained with b.m.t. in patients with acute leukemia in advanced stage.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Keywords: Chronic lymphatic leukemia ; Protein synthesis ; Prognosis ; Chronische lymphatische Leukämie ; Proteinsynthese ; Prognose
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die endogene Proteinsynthese und die Poly (U)-abhängige Polyphenylalanine Synthese wurde in Blutlymphozytenextrakten von 50 CLL-Patienten bestimmt und mit dem prognostischen Stadium verglichen. Die Patienten wurden nach der neuen internationalen Workshop Klassifikation in drei prognostische Gruppen (A, B, C) eingeteilt. 23 Patienten befanden sich im Stadium A, 14 im Stadium B und 13 im Stadium C. Extrakte von Patienten mit schlechter Prognose, d.h. mit Anämie und/oder Thrombopenie (Stadium C) hatten eine signifikant höhere Poly (U) Translationsaktivität als die von Patienten mit guter bzw. mittlerer Prognose (Stadium A oder B) (P〈0.01). Die Sensitivität dieses Befundes lag bei 62%, die Spezifität war 100%. In Verlaufsstudien wurde neben einem Anstieg der Poly (U) Translationsaktivität auch ein Anstieg der endogenen Proteinsynthese beim Übergang vom Stadium A bzw. B zum Stadium C beobachtet. Die Aktivität der Proteinsynthese korreliert nicht mit der Lymphozytenver-doppelungszeit, nicht mit der Expression von Oberflächenmarkern und nicht mit den Serum-Immunglobulinspiegeln.
    Notes: Summary Protein synthesis primed by endogenous messenger RNA (mRNA) as well as polyuridylic acid-[poly (U)] directed polyphenylalanin synthesis was measured in extracts of blood lymphocytes from a series of 50 chronic lymphocytic leukemia (CLL) patients and compared with the prognostic stage. Patients were clinically classified according to the new international workshop classification [4]. There were 23 patients at stage A, 14 at stage B and 13 at stage C. Extracts from patients of the high risk group (stage C), defined by anemia and/or thrombocytopenia, exhibited a significantly higher poly (U)-translation activity than extracts from low and intermediate risk patients-stages A and B−(P〈0.01). This finding has a sensitivity of 62% but a specifity of 100%. During follow-up, an increase of poly (U)-translation and endogenous protein synthesis was observed after changing from stages A or B to stage C. Activity of protein synthesis could neither be correlated with proliferation activity, as measured by lymphocyte doubling time, nor with the expression of immunologic surface markers, nor with serum immunoglobuline (Ig) levels.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 58 (1980), S. 1207-1213 
    ISSN: 1432-1440
    Keywords: Primary amyloidosis ; Polychemotherapy ; Primäre Amyloidose ; Polychemotherapie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über eine Patientin mit primärer Amyloidose berichtet, bei der Leber, Skelett, Knochenmark und Nieren befallen waren. Als Hinweis für eine begleitende Plasmazelldyskraise fand sich eine Vermehrung von Plasmazellen und anderen lymphoretikulären Zellelementen im Knochenmark und eine Störung der Immunglobulinsynthese. Der Verlauf dieser Erkrankung wurde bisher fünf Jahre beobachtet. Die Patientin wurde intermittierend mit der Kombination D-Penicillamin, Melphalan, Fluocortolon und Fluoxymesteron behandelt. Unter der Behandlung verschwand das nephrotische Syndrom und die primär exzessiv vergrößerte Leber wurde deutlich kleiner. Die Amyloidablagerungen in Skelett-system und Knochenmark ließen sich dagegen nicht beeinflussen. Es entwickelte sich eine ausgeprägte Osteoporose. Die Hämatopoese blieb suffizient. Der Vergleich dieses Falles mit anderen Fällen der Literatur, bei denen die gleiche kombinierte Chemotherapie durchgeführt wurde, läßt vermuten, daß die Ansprechbarkeit auf diese Behandlung von Faktoren wie Geschlecht und klinischer Manifestation abhängt.
    Notes: Summary A patient with primary amyloidosis had infiltration of liver, bone and bone marrow and a nephrotic syndrome with massive proteinuria. In addition, there was evidence for a plasma cell dyscrasia with an increased number of plasma cells and other lymphoreticular cell elements in the bone marrow and an impairment of immunoglobulin synthesis without M-gradient. The course of disease was observed over a period of five years. The patient was treated intermittently with a combination of penicillamine, melphalan, fluocortolone and fluoxymesterone. Under treatment the nephrotic syndrome disappeared and liver size decreased. Hemopoiesis remained sufficient but bone marrow infiltration by amyloid did not respond to therapy and massive osteoporosis developed. Comparison of our with other reported cases treated with the same regime suggests that response to this treatment may be influenced by factors such as sex and clinical manifestation of the disease.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1084
    Keywords: Key words: X-ray CT ; Aorta ; Stenosis ; Obstruction ; Computer-assisted image processing ; Thoracic aorta ; Collateral circulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The objective of this study was to assess the reliability of spiral CT angiography (CTA) and 3D reconstruction in patients with aortic coarctation (CoA). Eighteen patients with suspected or surgically proven coarctation were examined by spiral CT. In addition to the axial slices, 3D reconstructions, such as shaded surface display (SSD) and maximum intensity projection (MIP), were used to determine the diameters of the CoA and the pre- and poststenotic aorta and to visualise the collateral vessels. Diameters derived from cardiac catheterization were compared with those from CTA in 8 patients. The degree of aortic stenosis was correlated with blood pressure gradients (BPG) in 12 patients. The difference between the diameters of the CoA and the pre- and poststenotic aorta derived from MIP and angiography was not statistically significant (p = 0.69). With SSD the internal thoracic artery was detected in 16 and the posterior intercostal artery in 13 cases. The degree of aortic stenosis correlated poorly with the BPG (r = 0.51, r 2 = 0.26). CTA with 3D reconstruction represents a reliable noninvasive technique for the assessment of the degree of CoA and the visualisation of collateral vessels. It may serve as a follow-up investigation after intervention or surgical treatment.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 2 (1992), S. 317-321 
    ISSN: 1432-1084
    Keywords: Contrast media ; Premedication ; H1/H2-receptor antagonists ; Adverse reaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Non-ionic contrast media (CM) are proven to be significantly safer than the high osmolar ionic contrast media (HOCM). Nevertheless deaths are reported after administration of non-ionic agents. The aim of the study was to investigate the rate of adverse reactions to non-ionic CM with special regard to high-risk patients and the effects of premedication with H1-and H2-receptor antagonists. In a prospective study conducted over about 2 years 12 995 examinations with intravenous or intra-arterial non-ionic CM were evaluated. Premedication with H1-and H2-antagonists was used in 1276 high-risk patients with known adverse reaction to CM, history of allergy or severe cardiac or pulmonary disease. 229 patients received no premedication inspite of known risk factors. In total, there were 143 (1.10%) adverse reactions (mild in 0.58%, moderate in 0.41% and severe in 0.05%). In high-risk patients there were adverse reactions in 4.37% without and in 1.57% with premedication. There were no severe adverse reactions in the high-risk patients after premedication. The age of the patient, CM dosage and CM concentration were not shown to be risk factors in the present study. In conclusion, the additional premedication with H1- and H2-antagonists could be an effective agent to reduce the risk of mild and moderate adverse reactions and to avoid severe adverse reactions in high-risk patients.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 3 (1993), S. 520-526 
    ISSN: 1432-1084
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Attention is drawn to a technologically mature and well-tested system that can be employed as the archiving component of picture archiving and communication systems (PACS). Capacities and performance are of orders of magnitude higher than currently available jukebox solutions. The hard- and software technologies plausibly allow for, and the vendor thus guarantees, unlimited data lifetimes. The accompanying software facilitates a very flexible integration into total PACS and hospital communication environments. System and medium costs are of an order of magnitude lower than for the optical disc jukeboxes per online Terabyte (TB). We present a rough conceptual framework for the organizational migration from a conventional analog to a totally digital archive using this technology. Based on rough cost estimates, this system should move comprehensive PACS into the near future, pushed not only from the medical need but also from the technological and economical point of view.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 8 (1998), S. 1002-1008 
    ISSN: 1432-1084
    Keywords: Key words: Medical records systems ; Computerized radiology information systems ; Thoracic radiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this study was to compare our computer-aided report writing system to standard techniques. A computer-aided reporting system for reporting on chest X-rays was developed and linked with a UNIX-based radiology information system. The reporting system consists of different text modules which can be composed to a complete radiological report. The quality of the report, the system's efficiency, flexibility and availability at the radiology information system (RIS), as well as its acceptance by the users, were criteria we took as a basis of evaluation. Acceptance and flexibility of the system were tested by assessing necessary changes and additions performed to text modules and by subjective evaluation. The time spent on working with the reporting system was evaluated by performing a time-analysis study comparing the new system to the two conventional methods, the tape system and handwriting. On average, the readers needed 22.6 text modules for each report. For the users the most important advantages of the new system are that primarily fewer changes to or additions to the text are necessary, and when they cannot be avoided they can be performed more easily. In comparison with the tape system and handwritten reports, it took on average two and a half to three times longer to report on a chest X-ray. The printed report had left the department within 6.4 h using the tape system within 0.4 h when handwritten and within 1.4 h when recorded by the reporting system. The completeness of the set of modules and the logical order were positively assessed by the users. The demand of time for reporting increases, but the final report is available sooner.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 88 (1987), S. 20-25 
    ISSN: 0942-0940
    Keywords: Hormonactive pituitary tumours ; transsphenoidal surgery ; MRI ; high resolution CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The search of reliable imaging methods to detect the substrate for persisting hypersecretion in patients operated on for hormonactive pituitary adenoma prompted us to study the possibilities of the newly available Magnetic Resonance Imaging (MRI) technique in this regard. Pre- and postoperative MRI-studies where performed in 5 patients with persisting GH excess following transsphenoidal surgery as well as in 3 patients with micro- and 2 patients with macroprolactinomas. The MRI-findings were correlated with the results of the endocrinological examinations. Two acromegalic patients and three cases with microprolactinomas, who were sucessfully operated upon as defined by the functional criteria were also included to obtain a baseline for normal postoperative findings. The MRI-study was positive in all of the five patients with persisting GH-overproduction. In prolactinomas, the substrate of hypersecretion could only be detected, when the PRL-value exceeded 2,000 μU/ml. MRI may present an important diagnostic method for evaluating further treatment options in patients with remaining hormonal hypersecretion following transsphenoidal adenomectomy, particularly with regard to a second surgical approach.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 81 (1986), S. 3-10 
    ISSN: 0942-0940
    Keywords: Sellar tumours ; MRI ; high resolution CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 41 patients with various sellar and parasellar lesions (pituitary adenomas, meningiomas, optic gliomas, craniopharyngeomas and granulomas), who underwent surgery consecutively, were studied by MRI investigations. In 10 patients post-operative MRI controls were performed. The information obtained by the MRI were compared with the other radiological investigations (especially coronar and axial high resolution CT), and the intra-operative findings. The advantages of MRI in the diagnosis of sellar lesion are demonstrated by exemplary cases.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Quantitative Spectroscopy and Radiative Transfer 18 (1977), S. 433-446 
    ISSN: 0022-4073
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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