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  • Electronic Resource  (636)
  • 1995-1999  (636)
  • 1955-1959
  • 1999  (636)
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  • chemotherapy  (86)
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  • Electronic Resource  (636)
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  • 1995-1999  (636)
  • 1955-1959
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  • 1
    ISSN: 1436-2813
    Keywords: Key Words: small cell neuroendocrine carcinoma ; colorectum ; chemotherapy ; cisplatin ; 5-fluorouracil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1436-2813
    Keywords: small cell neuroendocrine carcinoma ; colorectum ; chemotherapy ; cisplatin ; 5-fluorouracil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report herein the case of a 46-year-old-man with small cell neuroendocrine carcinoma (NEC) concomitant with large villous adenoma of the rectum, who underwent abdominaoperineal resection with regional lymphnode dissection. The resected specimen was histologically found to contain a small lesion of NEC confined to the submucosa in the large adenoma. A computed tomography scan done 4 months postoperatively revealed recurrences in the liver, lymph nodes, and bone. Therefore, two cycles of sequential intravenous combined chemotherapy with standard doses of cisplatin and 5-fluorouracil (5-FU) were administered, after which the size of each tumor decreased remarkably. Nevertheless, the patient died 8 months after the operation. As there was a fair response of this tumor to the combined chemotherapy of cisplatin and 5-FU, this regimen against NEC of the colon and rectum should be given consideration.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1436-3305
    Keywords: Key words: inoperable ; gastric cancer ; chemotherapy ; efficacy criteria ; primary lesions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Background. We conducted a retrospective study to investigate the adequacy of the Efficacy Criteria for Primary Lesions in the Japanese Classification of Gastric Cancer (Japanese criteria) for evaluating the anti-tumor efficacy of chemotherapies and the relationship between tumor regression and the prognosis of gastric cancer. Methods. The data for 90 patients with inoperable ad-vanced gastric cancer who received various chemotherapies, consisting of fluorinated pyrimidines and cisplatin, were retrospectively analyzed. Based on the Japanese criteria, we investigated the efficacy of the chemotherapies and the relationship between the response in primary lesions and survival. We also compared the efficacy of chemotherapies evaluated by the Japanese criteria to that evaluated by the WHO criteria. Results. All 90 patients were evaluable by the Japanese criteria. The overall response rate was 53.3% (Partial response [PR] in 48 patients and no change + progressive disease [NC + PD] in 42 patients). The primary lesions were classified as measurable (a-lesions) in 27 patients, evaluable but not measurable (b-lesions) in 31 patients, and diffusely infiltrating (c-lesions) in 32 patients. Overall median survival time (MST) was 9.4 months. The MSTs of the responders and non-responders were 12.6 and 7.8 months, respectively. In contrast, by the WHO criteria, 49 patients (54.4%) were evaluable; the other 41 patients had gastric primary lesions alone but were not measurable by WHO criteria. The overall response rate was 67.3% (33/49), and overall MST was 9.4 months. The MSTs of the responders evaluated by both sets of criteria were both 12.6 months. Conclusions. We suggest that the Japanese criteria are useful for evaluating the anti-tumor effect of gastric cancer chemotherapies and that prospective studies to reconfirm their usefulness are warranted in Japan, and in Western countries.
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  • 4
    ISSN: 1569-8041
    Keywords: advanced colorectal cancer ; chemotherapy ; meta-analysis ; non-operable metastases confined to the liver
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Metastases confined to the liver is a frequent situation in patients with advanced colorectal cancer. For non-operable patients, 5-FU-based chemotherapy is often proposed but the importance of the choice of first line 5-FU regimen remains debatable. Design: In four previously performed meta-analyses, our group had compared bolus intravenous fluoropyrimidines (bolus FU group) with experimental fluoropyrimidines (experimental FU group), consisting of 5-FU plus leucovorin, 5-FU plus methotrexate, continuous infusion 5-FU, or hepatic-artery infusion FUDR. We re-analysed this data set to focus on 1458 patients with non-operable colorectal metastases confined to the liver, randomised in 22 trials. All analyses were stratified by trial and used individual patient data. Results: Median survival times were 11.3 months in the bolus FU group (95% CI: 10.5–12.0 months) compared to 12.7 months in the experimental FU group (95% CI: 12.0–13.1 months). This difference, although clinically small, was statistically significant, with an overall survival hazard ratio of 0.88 (95% CI: 0.79–0.99, P = 0.037). In a multivariate analysis, performance status was the only significant predictor of survival (P 〈 10−4), whereas the statistical significance of allocated treatment was borderline (P = 0.058). Conclusions: The outcome of patient with non-operable colorectal metastases confined to the liver is poor, and mainly driven by their initial performance status. Experimental chemotherapy schedules yield a small improvement in their overall survival, indicating the importance of the choice of first-line chemotherapy.
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  • 5
    ISSN: 1569-8041
    Keywords: chemotherapy ; gemcitabine ; head and neck tumors ; paclitaxel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Paclitaxel as monotherapy or in combination with other drugs has demonstrated significant activity in patients with squamous cell carcinoma of the head and neck region (SCCHN). Preclinical studies have shown gemcitabine to be highly active in SCCHN cell lines. Purpose of the study: To evaluate the activity and toxicity of the combination of paclitaxel by three-hour infusion and gemcitabine as first-line chemotherapy in patients with recurrent and/or metastatic head and neck cancer (HNC). Patients and methods: From September 1996 until May 1998, 44 patients with non-nasopharyngeal recurrent and/or metastatic HNC entered the study. There were 37 men and seven women with a median age of 61 years (range 35–79) and a median performance status of 1 (range 0–2). The location of the primary tumor in the majority of them was either the larynx or the oral cavity. Treatment consisted of six cycles of gemcitabine 1100 mg/m2 over 30 min on days 1 and 8 immediately followed on day 1 by paclitaxel 200 mg/m2 by three-hour infusion. The treatment was repeated every three weeks. Results: Twenty-four (55%) patients completed all six cycles of treatment. A total of 205 cycles were administered, 165 (81%) of them at full dose. The median relative dose intensity (DI) of gemcitabine was 0.93 and of paclitaxel 0.95. Except for alopecia, which was universal, grade 3–4 toxicities included neutropenia (21%), thrombocytopenia (5%), anemia (5%), infection (5%), flu-like syndrome (5%) and peripheral neuropathy (2%). Five (11%) patients achieved complete and 13 (30%) partial responses, for an overall response rate of 41%. After a median follow-up of 13 months, the median time to progression was four months and median survival nine months. Conclusions: The combination of paclitaxel and gemcitabine is active and well tolerated in patients with recurrent and/or metastatic HNC – randomized studies comparing this combination with other regimens are warranted.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1569-8041
    Keywords: chemotherapy ; mitomycin ; recurrent ; undifferentiated carcinoma of nasopharyngeal type
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: This phase-II study was conducted to investigate the potential benefit from the addition of mitomycin to a conventional anthracycline-cisplatin- and 5-fluorouracil-based chemotherapy for recurrent and metastatic undifferentiated carcinoma of nasopharyngeal type (UCNT). Patients and methods: Between July 1989 and December 1991, 44 consecutive patients (M/F 36/8; median age: 45, range 20–72; performance status (PS) 0: 20 patients, PS 1: 14 patients, PS 2: 10 patients) with recurrent or metastatic UCNT were entered in this study after complete clinical, biological, and radiological pre-therapeutic work-ups. Chemotherapy (FMEP regimen) consisted of 800 mg/m2/day 5-fluorouracil in continuous infusion from day 1 to day 4 combined with 70 mg/m2 epirubicin, 10 mg/m2 mitomycin, and 100 mg/m2 cisplatin on day 1, every four weeks for six cycles. Mitomycin was delivered in cycles 1, 3, and 5 only. Eleven patients had isolated loco-regional recurrences, 12 patients had local recurrences associated with distant metastasis, and 21 patients had metastasis only. Toxicity and response were evaluated according to WHO criteria. Toxicity: Grade 3–4 neutropenia was observed in 122 of 212 evaluable cycles (57%) and 39 of 44 patients (89%); febrile neutropenia occurred in 16 patients (36%) and 24 cycles (11.3%). Grade 3–4 thrombocytopenia was observed in 27 patients (61%) and 45 cycles (21%), including 27 of 45 cycles (60%) with mitomycin. Grade 3 anemia was noted in 18 patients (40%) and 23 cycles (11%), including 18 of 23 cycles (78%) with mitomycin. Grade 3–4 mucositis occurred in 25 cycles (11%) and 14 patients (32%), mainly in those previously treated with radiation therapy in the head and neck area. There were four treatment-related deaths (9%); three of them neutropenia-related, and one of cardiac toxicity. Response: Forty-four patients were evaluable for response: There were 23 of 44 objective responses (52%), including six complete responses (13%), and 17 partial responses (38%). Additional radiotherapy was given to 13 patients after documentation of response: Nasopharyngeal tumor + cervical nodes (eight patients) and/or on bone metastasis sites (five patients); mediastinal lymph nodes (one patient). At a median follow-up of 87 months (range 71–100), five patients are alive and in continuous complete remission. The median survival time was 14 months and the median time to progression nine months. Conclusion: The regimen under study is active in recurrent/metastatic UCNT, but associated with excessive toxicity.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1434-5196
    Keywords: Key words Methadone ; Dihydrocodeine ; Substitution ; Poisoning ; Children ; Schlüsselwörter Methadon ; Dihydrocodein ; Substitution ; Intoxikationen ; Kinder
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Es wird über 3 überlebte und 4 tödlich verlaufene akzidentelle Intoxikationen, sechs mit Methadon, eine mit Dihydrocodein, berichtet. Die Intoxikationen betrafen nicht die Substituierten selbst, sondern deren Familienangehörige, Bekannte oder Mit-Patienten. In allen Fällen wurden die Substitutionsmittel weitgehend ungesichert und teilweise vermutlich auch unbeschriftet stehengelassen. Den Substituierten selbst war dabei die Gefahr, die von ihrem Substitutionsmittel ausging, offenbar nicht ausreichend bewußt. Diese Fälle zeigen deutlich, daß qualitätssichernde Maßnahmen bei der immer großzügigeren Substitutionspraxis, insbesondere in Hinblick auf „take-home“-Dosen, notwendig sind.
    Notes: Abstract A total of seven cases of accidental ingestion of methadone or dihydrocodeine by four children and three adults are reported of which four were fatal. In each case, someone in the environment was taking methadone or dihydrocodeine as a substitute drug for heroin addiction who obviously did not realize the dangers of methadone for non-addicts. Possible preventive measures are the usage of child-proof containers with adequate labels for take-home medications. Furthermore substituted addicts have to be thoroughly indoctrinated concerning the toxicity and hazards of methadone.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1248-9204
    Keywords: Contralateral hernia ; Children ; Incidence ; Predisposing disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary It is impossible to determine whether or not a child will develop a contralateral hernia after inguinal hernia repair. There exists no risk score for the occurrence of a contralateral hernia. This well-known fact prompted us to perform the underlying study. In a retrospective trial, we reviewed the files of all children operated on for inguinal hernias in our department from January 1986 until December 1994. During this period, we performed 1721 hernia repairs on 1708 children aged 0–16 years. In 96 (5.6%) of these patients, the indication to operate was a contralateral hernia following previous unilateral repair. Comparison of the ages at the time of primary inguinal repair of those children who developed a contralateral hernia (n=96) and those who did not (n=1612) showed a significantly increased incidence of contralateral hernias if the primary operation was performed before the age of two months (p〈0.0001). Diseases predisposing to hernias were found in 38% of all children (prematurity, dystrophia, ventriculo-peritoneal shunt, ascites, asthma). The authors recommend a contralateral exploration for children under the age of two months if they have any predisposing disease.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Italian journal of neurological sciences 20 (1999), S. 119-128 
    ISSN: 1126-5442
    Keywords: Key words Learning ; Development ; Memory ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Immediate and 15-min delayed recall of semantically related or unrelated word lists was investigated in 144 normally developing children ranging from 5 to 10 years of age. Immediate recall for the related and unrelated lists increased in a parallel fashion as a function of age. The ability to cluster semantically related items during immediate recall also improved with age. However, in no age class recall scores and clustering indexes were significantly associated. Forgetting rate passing from the last immediate to the delayed recall trial increased for the unrelated list but decreased for the related list of words as a function of age. Results of regression analyses revealed that a developmental increase in forgetting on the unrelated list was actually due to the higher number of words recalled in the last immediate trial by older children. As for the related list, instead, the larger reliance on the clustering strategy of recall by older children was responsible for the progressive reduction of forgetting.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Italian journal of neurological sciences 20 (1999), S. 303-307 
    ISSN: 1126-5442
    Keywords: Key words Lyme disease ; Chronic neuroborreliosis ; Children ; MRI ; Demyelinating disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Lyme disease is a polymorphic and multisystemic disease caused by Borrelia burgdorferi. Neurological manifestations are found in 10%–50% of cases. We present 2 cases followed for 5 and 6 years of chronic relapsing-remitting neuroborreliosis. Diagnosis of neuroborreliosis in these cases was based on serum and cerebrospinal fluid findings. We discuss clinical, neurophysiological, laboratory and instrumental aspects regarding the difficulties of reaching a correct diagnosis. Further studies, especially in the field of immunology, should help identify the mechanisms responsible for the disease becoming chronic. With this knowledge, it may be possible to design immunological therapies for relapses, and to prevent the evolution of the disease.
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  • 11
    ISSN: 1569-8041
    Keywords: chemotherapy ; colorectal cancer ; 5-fluorouracil ; folinic acid ; hydroxyurea ; modulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Hydroxyurea (HU), an inhibitor of ribonucleotide reductase, may potentiate the activity of 5-fluorouracil (5-FU) and folinic acid (FA) by reducing the deoxyribonucleotide pool available for DNA synthesis and repair. However as HU may inhibit the formation of 5-fluoro-2′-deoxyuridine-5′-monophosphate (FdUMP), one of the principal active metabolites of 5-FU, the scheduling of HU may be critical. In vitro experiments suggest that administration of HU following 5-FU, maintaining the concentration in the region of 1 mM for six or more hours, significantly enhances the efficacy of 5-FU. Patients and methods: 5-FU/FA was given as follows: days 1 and 2 – FA 250 mg/m2 (max. 350 mg) over two hours followed by 5-FU 400 mg/m2 by intravenous bolus (ivb) over 15 minutes and subsequently 5-FU 400 mg/m2 infusion (ivi) over 22 hours. HU was administered on day 3 immediately after the 5-FU with 3 g ivb over 15 minutes followed by 12 g ivi over 12 hours. Results: Thirty patients were entered into the study. Median survival was nine months (range 1–51+ months). There were eight partial responses (28%, 95% CI: 13%–47%). The median duration of response was 6.5 (range 4–9 months). Grade 3–4 toxicities included neutropenia (grade 3 in eight patients and grade 4 in five), anaemia (grade 3 in one patient) and diarrhoea (grade 3 in two patients). Neutropenia was associated with pyrexia in two patients. Phlebitis at the infusion site occurred in five patients. The treatment was complicated by pulmonary embolism in one patient and deep venous thrombosis in another. Conclusion: HU administered in this schedule is well tolerated. Based on these results and those of other phase II studies, a randomised phase III study of 5-FU, FA and HU versus 5-FU and FA using the standard de Gramont schedule is recommended.
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  • 12
    ISSN: 1569-8041
    Keywords: chemotherapy ; cisplatin ; docetaxel ; head and neck cancer ; phase II
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Docetaxel and cisplatin are among the most active antitumor agents in head and neck cancer, and phase I studies found the combination of the two drugs to be feasible. The EORTC ECSG performed a multicenter phase II study in patients with locally advanced, recurrent or metastatic squamous cell carcinoma of the head and neck to evaluate the antitumor efficacy and toxicity of this combination. Patients and methods: Eligibility criteria included written informed consent, a WHO performance status 〈2, life expectancy of 〉12 weeks, and adequate bone marrow, liver and renal function. Neoadjuvant pretreatment with cisplatin-based chemotherapy or prior radiotherapy were allowed. Patients were ineligible if pretreated with taxoids, had CNS involvement, concurrent malignancy, peripheral neuropathy, or no measurable disease. Treatment consisted of docetaxel 100 mg/m2 (one-hour i.v. infusion), followed by cisplatin 75 mg/m2 (three-hour i.v. infusion), repeated every three weeks. Supportive care included hydration, 5HT3- antagonists, and corticosteroids. Results: Forty-four patients (median age 55 years, range 35–76) entered the trial; 41 patients were eligible, 164 cycles of treatment were evaluable for toxicity, and 31 patients for response. Fourteen patients had undergone prior surgery, 15 had received radiotherapy, and five had had chemotherapy. A median number of four treatment cycles (range 1–6) was given. Hematologic and non-hematologic toxicities were common, but hypersensitivity reactions and fluid retention were very infrequent due to corticosteroid prophylaxis. Four patients were taken off the study due to toxicity, and one toxic death occurred due to pneumonia. Among 41 eligible patients, objective responses as confirmed by independent review included six complete remissions and 16 partial remissions, resulting in an overall response rate of 53.7% (95% confidence interval: 37.4%–69.3%). Responses occurred in locally advanced, recurrent and metastatic disease, both in pre- and non-pretreated patients. Of 22 evaluable, non-pretreated patients with locally advanced or metastatic disease, five achieved complete responses, and 14 partial responses. Observed among nine evaluable pretreated patients with locally advanced or metastatic head and neck cancer were one complete response and two partial responses. Conclusion: The combination of docetaxel and cisplatin is feasible and active in locally advanced, recurrent, and metastatic squamous cell carcinoma of the head and neck.
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  • 13
    Electronic Resource
    Electronic Resource
    Springer
    Annals of oncology 10 (1999), S. 3-8 
    ISSN: 1569-8041
    Keywords: α-interferon ; chemotherapy ; chromogranin A ; octreotide ; receptor scintigraphy ; somatostatin ; surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Neuroendocrine gut and pancreatic tumors are rather rare malignant diseases which has gained increased attraction through the last decennium, possibly through development of new diagnostic and therapeutic methods. Histopathology demonstrating the common neuroendocrine features of these tumors has been the diagnostic corner stone for long, but today it should be supplemented with information about the tumor biology. An excellent biochemical marker which is easy to analyze in serum or plasma is chromogranin A, which is a glycoprotein that is stored and released from neuroendocrine cells. This marker can be used for diagnosis and follow-up of the patients. Somatostatin receptor scintigraphy has been one of the most important diagnostic tools for staging of the disease and also indicating sensitivity to treatment with somatostatin analogues. It is a general agreement that almost every patient should be subjected to this procedure before or during the treatment course. From the therapeutic point of view, surgery is nowadays more extensive aiming at reducing the tumor mass in patients who could not be cured by surgery alone. Other means of tumor reduction is liver dearterialization by embolization with starch spheres. The medical treatment of neuroendocrine tumors has made a real break through with the introduction of somatostatin analogues, particularly octreotide, and today most of the hormonally related symptoms can be controlled by this kind of treatment. Somatostatin analogues have also shown to be inhibitors of tumor growth and the latest development is tumor targeted radioactive treatment with Ytrium or Indium labelled octreotide. Long-acting formulation of somatostatin analogues have come into clinical use and significantly improved quality of life for patients with neuroendocrine tumors. Other means of medical treatment are alpha interferons, which have shown particular effect in patients with midgut carcinoid tumors giving both biochemical and tumor responses. Chemotherapy such as streptozotocin plus 5-fluorouracil (5-FU) or doxorubicin is still considered as first-line treatment in malignant endocrine pancreatic tumors but is combined with concomitant somatostatin analogue treatment. In the future a multimodal treatment will further develop combining different agents and also somatostatin receptor subtype specific analogues will come into clinical use.
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  • 14
    ISSN: 1569-8041
    Keywords: cancer ; chemotherapy ; colitis ; cytomegalovirus ; docetaxel ; hypopharynx
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We present the case of a patient with a locally advanced hypopharyngeal carcinoma who developed a severe cytomegalovirus (CMV) colitis after his first chemotherapy course with 5-fluorouracil (5-FU), docetaxel and cisplatin. The most probable cause of his CMV colitis is the impaired immunity during a phase of neutropenia after the chemotherapy. Although there was amelioration of the colitis and clinical status after treatment with ganciclovir, the patient later deteriorated and died due to recurrent bacterial infections. This is the third reported case of CMV colitis treated with ganciclovir in a patient with a solid tumour. It is the first report of CMV colitis after docetaxel containing chemotherapy. Although CMV colitis is most frequently observed in immunosuppressed patients such as those with acquired immune deficiency syndrome (AIDS), transplants and corticosteroid treatment, it has also been reported in less immunosuppressed (elderly, malnourished, ...) and even non-immunosuppressed patients. CMV infection should therefore be included in the differential diagnosis of GI disease in all patients, and when suspected, the clinician should pursue appropriate diagnostic and therapeutic interventions.
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  • 15
    Electronic Resource
    Electronic Resource
    Springer
    Annals of oncology 10 (1999), S. 1389-1392 
    ISSN: 1569-8041
    Keywords: adenocarcinoma ; chemotherapy ; primary ; unknown
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Adenocarcinoma of unknown primary comprises up to 10% of metastatic malignant disease. With few exceptions this diagnosis carries a very poor prognosis of a few months with minimal survival advantage to chemotherapy. However there is the possibility that chemotherapy can improve symptom control and quality of life. Patients and methods: Forty-four patients with adenocarcinoma of unknown primary received CFTam chemotherapy regimen (5-FU 750 mg/m2/day by protracted infusion for five days, cisplatin 60 mg/m2 once and tamoxifen 20 mg daily on a 21-day cycle). Disease response and toxicity were collected and survival compared to patients who were not treated or who received different chemotherapy regimens. Results: Overall response to CFTam was 27% with a median duration of 10 months (range 4–26 months). The chemotherapy was well tolerated with no grade 4 non-haematological toxicity and only three patients (7%) grade 4 neutropaenia with only two (5%) patients developing sepsis. There were no toxic deaths. Performance status was maintained or improved in responders. Conclusions: CFTam is a well tolerated chemotherapy regimen with similar efficacy to other regimens described in the treatment of adenocarcinoma of unknown primary. In the absence of a significant survival advantage there is a need to conduct randomised trials of chemotherapy versus best supportive care to quantify any improvement in quality of life or symptom control.
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  • 16
    ISSN: 1569-8041
    Keywords: breast cancer ; chemotherapy ; margins ; radiotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Inadequate surgical excision with residual involvement of resection margins by tumour after breast conservation results in increased local recurrence rates. To reduce this risk positive margins are, therefore, usually excised. Systemic treatment with tamoxifen or chemotherapy reduces local recurrence, along with radiotherapy. However, no studies to date have examined the correlation between chemoendocrine treatment, together with radiotherapy, and local relapse in patients with unexcised involved resection margins, having had breast conservation treatment. Patients and methods: The histopathology reports were reviewed of 184 patients who were treated from June 1991 to August 1995 within our randomised study of neoadjuvant versus adjuvant chemoendocrine therapy with mitozantrone and methotrexate (2M) ± mitomycin-C (3M) and tamoxifen, used concurrently with radiation following conservation surgical treatment. Histological resection margin was considered positive if ductal carcinoma in situ (DCIS) or invasive carcinoma was present microscopically less than 1mm from the excision margin. Results: Although 38% of patients had unexcised microscopically involved margins, local relapse rate as first site of relapse was only 1.9% after a median follow up of 57 months. There was no difference in distant relapse (P = 0.2) and survival (P = 0.5) between the positive and negative margins groups. Conclusions: The presence of positive unexcised margins does not have a significant effect on outcome in patients who are treated with chemoendocrine therapy together with radiotherapy. Further clinical trials are required.
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  • 17
    ISSN: 1569-8041
    Keywords: aggressive NHL ; chemotherapy ; CHOP ; EPOCH ; phase III randomised trial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The value of continuous-infusion chemotherapy (EPOCH) vs. the standard CHOP combination was evaluated in 78 patients with previously untreated aggressive non-Hodgkin's lymphoma in a randomized phase III clinical trial. Patients and methods: The EPOCH regimen given to 38 patients consisted of the drugs etoposide (50 mg/m2), vincristine (0.4 mg/m2), and doxorubicin (10 mg/m2), all given in a continuous infusion on days 1–4. Cyclophosphamide (750 mg/m2) was administered on day 6 as i.v. bolus, while prednisone was given orally 60 mg/m2 on days 1–6. Courses were repeated every three weeks. CHOP was given to 40 patients as routinely prescribed. Results: Forty-eight patients were males and thirty were females. Their ages ranged from 19–75 years (median 45 years). Forty-three (55%) had grade 2 and thirty-five (45%) had grade 3 pathologic subtype. Nine patients (12%) presented with stage I, fourteen (18%) with stage II, forty (51%) with stage Ill, and fifteen (19%) with stage IV disease. The different clinico-pathologic characteristics, including international index categories, were comparable in the two groups. The number of courses given ranged between 3 and 9 (median 6) for both the EPOCH and CHOP regimens. Complete remission (CR) was achieved in 19 (50%), and 27 (67%) of the 38 and 40 patients for both the EPOCH and CHOP combinations, respectively. After a median observation time of 27 months, the four-year overall and failure-free survival rates were 42% and 30% for the EPOCH and 71% and 54% for the CHOP regimen (P = 0.006 and 0.1 for the overall and FFS rates, respectively). Toxicities were comparable and were mostly of grades 1 and 2, except for hair loss, hematologic toxicities, and infectious episodes which were more common in the EPOCH group. In the EPOCH group, overall survival rates were 55% vs. 22% (P 〈 0.04) at four years for the low-risk (2 prognostic factors) and high-risk (〉2 factors) groups, respectively. Conclusions: Thus, it may be concluded that continuous-infusion (EPOCH) chemotherapy did not improve treatment outcome over that of the CHOP regimen for aggressive non-Hodgkin's lymphoma patients.
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  • 18
    ISSN: 1569-8041
    Keywords: autologous stem-cell transplantation ; chemotherapy ; Hodgkin's disease ; relapses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Despite high-dose therapy and ASCT some patients with aggressive HD fail to achieve long-term survival. Patients and methods: Forty-three patients with induction failure (n = 19) or very unfavorable (UF) relapse (n = 24) from HD were included in a multicentric study of tandem ASCT. They planned to receive two courses of IVA75 with GCSF and blood stem-cell collection. ASCT1 was conditionned with CBV + mitoxantrone (30 mg/m2) and ASCT2 (cytarabine 6 g/m2, melphalan 140 mg/m2 and total body irradiation at 12 Gy or busulfan 16 (n = 4) than 12 mg/kg). After salvage therapy, response 〉50% was observed in 63% of the patients (six patients were included for refractory relapse). Four patients had no ASCT for disease progression; seven patients had only ASCT1 (disease progression, n = 3) and thirty-two patients (74%) received the two ASCT. Results: Hematologic recovery was normal after ASCT1 but delayed platelet recovery was observed after ASCT2 with busulfan in the conditioning regimen. Two VOD with one fatal occured with busulfan at 16 mg/kg and one hemorragic cystis, no further grade 4 toxicity was observed with the reduced doses of busulfan (12 mg/kg). After ASCT2, 83% of these UF patients were in remission and 20% relapsed within the first year. On an intent-to-treat analysis, 22 of 43 patients are in continuous CR (including 8 patients with induction failure). For the whole population (n = 43) and for patients receiving the two ASCT (n = 32), the two-year survival from the date of progression were respectively at 65% and at 74%. Conclusion: double ASCT is feasible in very UF relapse from HD and may lead to some prolonged remission.
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  • 19
    ISSN: 1569-8041
    Keywords: chemotherapy ; Epstein–Barr virus ; LMP-1 ; peripheral blood stem cells ; T-cell rich B-cell non-Hodgkin's lymphoma (TCRBCL)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report the case of a 30-year-old woman who presented with an EBV related hemophagocytic syndrome. After a few months she developed a T-cell rich B-cell non-Hodgkin's lymphoma with liver involvment. Serological data demonstrated a reactivation of the EBV infection. Tumor progression with liver involvement occured during treatment with conventional chemotherapy. Tumor reduction and disappearence of all masses was seen after starting high-dose sequential chemotherapy, followed by an autologous peripheral blood progenitor transplantation. LMP-1 could be amplified in the tumor material by PCR technology, but no LMP-1 expression could be found in the few malignant B-cells with Reed–Sternberg morphology. Sequence analysis of the carboxy terminal of the LMP-1 region revealed the naturally occuring 30 bp deletion variant of the LMP-1 with multiple point mutations within the NF kb region. Since LMP-1 was not expressed in the malignant tumor cells, no evidence could be found, that EBV participated in the tumorigenesis of this case.
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  • 20
    ISSN: 1569-8041
    Keywords: chemotherapy ; cisplatin ; gemcitabine ; NSCLC ; weekly administration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The combination of gemcitabine and cisplatin has proven effective in the treatment of advanced non-small-cell lung cancer (NSCLC). However, the optimal schedule for administration of the two drugs has not yet been determined. In this study we evaluated the activity and toxicity of a weekly gemcitabine and cisplatin schedule. Patients and methods: Thirty-six untreated patients with stage IIIB–IV NSCLC entered the study. Treatment consisted of gemcitabine 1000 mg/m2 i.v. and cisplatin 35 mg/m2 i.v., both given weekly on days 1, 8, and 15, followed by one week of rest. Results: Ninety-seven courses (273 weekly administrations) were delivered. The median dose-intensity was 612 mg/m2 per week for gemcitabine (82%) and 21 mg/m2 per week for cisplatin (80%). All 36 of the patients were evaluable for toxicity, and 30 for response. Partial remissions were observed in 12 patients, for an overall response rate of 40% (95% confidence interval (95% CI): 22.5%–57.5%). Most of the partial remissions were seen in IIIB patients (54% of the stage IIIB and 22% of the stage IV patients responded). According to the intent-to-treat principle, the response rate was 33.3% (12 of 36 patients). The median response duration was 9.9 months (range 4–23) and the median survival time 11.8 months (range 1–24). World Health Organization (WHO) grade 3–4 myelotoxicity was: thrombocytopenia in nine patients (25%), neutropenia in six (16.6%) and anemia in six (16.6%); there was very little additional major toxicity. Conclusions: This regimen appears to be active and to have a favourable toxicity profile.
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  • 21
    ISSN: 1569-8041
    Keywords: chemotherapy ; Ewing's sarcoma ; pregnancy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ewing's sarcoma of the pelvic bones was diagnosed in a 21-year childbearing woman, raising major medical and ethical problems. The diagnostic and therapeutic approaches during the sixth month of gestation were tailored in order to cure the patient and avoid unnecessary toxicity to the fetus. Ancillary tests included ultrasound and MRI studies of the pelvis. Ifosfamide and adriamycin, premedicated by granisetron, were administered during gestation, and were found to be safe. Cesarean section was the preferred way of delivery since the tumor involved the pelvic bones. The outcome was a disease-free patient and a small healthy baby who is now two years of age.
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  • 22
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    Annals of oncology 10 (1999), S. 83-91 
    ISSN: 1569-8041
    Keywords: chemotherapy ; new drugs ; radiotherapy ; small cell lung cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Small cell lung cancers, comprising approximately 20% of lung cancers, are rapidly growing and disseminating carcinomas which are initially chemosensitive but acquire drug resistance during the course of disease. Thus, outcome is poor with median survival of 10-16 months for patients with limited and 7-11 months for patients with extensive disease. Polychemotherapy with established drugs (platins, etoposide, anthracyclines, cyclophosphamide, ifosfamide and Vinca alkaloids) plays the major role in the treatment of this disease and results in overall response rates between 80%-95% for limited disease and 60%-80% for extensive disease. Dose-intensified chemotherapy and high-dose chemotherapy with peripheral blood progenitor cell support were tested in several trials but their exact impact on outcome remains to be determined. New drugs including the taxanes (paclitaxel, docetaxel), the topoisomerase I inhibitors (topotecan, irinotecan), vinorelbine and gemcitabine are currently evaluated in clinical trials. In limited disease, thoracic radiotherapy improves survival and prophylactic cranial irradiation should be administered to those with a reasonable chance of cure.
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  • 23
    ISSN: 1569-8041
    Keywords: chemotherapy ; necrotising fasciitis ; recurrent inflammation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We present the case history of a patient with breast carcinoma who developed repeated inflammation at the site of previous necrotising fasciitis following each cycle of intravenous CMF chemotherapy. This complication has not previously been reported.
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  • 24
    ISSN: 1569-8041
    Keywords: chemotherapy ; gastric cancer ; oral fluoropyrimidine prodrug ; S-1 ; Tegafur
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report the case of an unresected, metastatic gastric cancer, which was treated with a very short course of the oral 5-fluorouracil (5-FU) prodrug S-1. The patient had to discontinue chemotherapy during the first treatment cycle due to severe toxicity, but achieved a pathologically confirmed, long-term complete response of her primary tumour, a diffuse-type poorly differentiated adenocarcinoma.
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  • 25
    ISSN: 1569-8041
    Keywords: advanced disease ; chemotherapy ; cisplatin ; etoposide ; non-small-cell lung cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The role of chemotherapy in the treatment of advanced non-small-cell lung cancer (NSCLC) has been a subject of debate for many years. Only recently, cisplatin-based combination chemotherapy has been demonstrated to yield a small but definite survival benefit and to improve symptoms, performance status and quality of life in a substantial proportion of advanced NSCLC patients. The cisplatin–etoposide (PE) regimen was developed in the early 1980s and has been one of the standard chemotherapy programs most extensively used in the clinical practice until a few years ago. More recently, several randomized trials have compared the efficacy of new cisplatin-containing combination chemotherapies including Paclitaxel or Gemcitabine with that of PE or PE-like regimens. Preliminary results are encouraging, indicating a small benefit in favor of the last generation of regimens which might therefore replace PE as 'gold standards' in the treatment of advanced NSCLC. However, the costs of these last generation regimens is higher and the entity of the benefit small. Therefore, PE chemotherapy can still be an option in selected situations.
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  • 26
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    Annals of oncology 10 (1999), S. 89-92 
    ISSN: 1569-8041
    Keywords: anemia ; chemotherapy ; erythropoietin ; lung cancer ; review ; toxicity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Main mechanisms involved in the development of chemotherapy-induced anemia are the direct bone marrow damage and the renal impairment with a secondary deficient production of erythropoietin. The first mechanism is induced by almost all cytotoxic drugs whilst the second one has been demonstrated with cisplatin treatment. NSCLC patients are generally treated with platinum-based chemotherapy and then both mechanisms are involved in the development of anemia which can be, as a consequence, more frequent and more severe compared to other cancer patients. Chemotherapy regimens such as MVP (mitomycin, vindesine, platin), cisplatin–etoposide and cisplatin–teniposide induce grade ≥2 anemia in 64%, 46% and 83% of patients, respectively, with grade 3–4 anemia occurring in 29%, 15% and 24% of patients. New chemotherapy regimens are also associated with a high incidence of anemia. Carboplatin–paclitaxel induces grade 3–4 anemia in 34% of patients and 30% of patients need blood transfusions. Similarly, 33% of patients treated with cisplatin-gemcitabine require blood transfusions. Erythropoietin is able to correct anemia in nearly 60%–80% of patients receiving platinum-based chemotherapy and in nearly 40% of patients treated with regimens without platinum compounds, leading to a reduction in blood transfusion requirement. Moreover, erythropoietin is able to prevent anemia development in cancer patients. Due to the high incidence of anemia, erythropoietin may represent an important tool in the supportive care of NSCLC patients. Erythropoietin use is mainly limited by the economic cost and then efforts should be made to identify the subset of patients in whom this supportive therapy is cost-effective. Patient and disease characteristics, factors predicting the probability to be transfused as well as factors predicting the response to erythropoietin can be useful in selecting patients likely to benefit from erythropoietin therapy.
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  • 27
    ISSN: 1569-8041
    Keywords: chemotherapy ; edatrexate ; paclitaxel ; synergism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The antifolate edatrexate and the microtubule-stabilizing agent paclitaxel have both demonstrated single-agent activity in lung and breast cancer. In vitro, the sequential combination of edatrexate followed by paclitaxel produced synergistic antitumor effects. This trial was designed to find the maximum tolerated doses of edatrexate and paclitaxel when given every two weeks utilizing this sequential schedule. Patients and methods: Thirty-four patients with solid tumors received edatrexate intravenously on days 1 and 15 and paclitaxel intravenously as a three-hour infusion on days 2 and 16 of each 28-day cycle. Edatrexate was escalated from 40 to 120 mg/m2 and the paclitaxel dose fixed at 135 mg/m2. When the maximum-tolerated dose was not reached, edatrexate was fixed at 120 mg/m2 and paclitaxel escalated to 175 and 210 mg/m2. Results: All 34 patients were assessable. The maximum tolerated doses were 120 mg/m2 of edatrexate and 210 mg/m2 of paclitaxel. Grade 3 myalgia, peripheral neuropathy, leukopenia, and an infusion-related reaction occurred. Eight patients with non-small-cell lung cancer and one with bladder cancer achieved major objective responses. Conclusions: The recommended phase II doses are 120 mg/m2 of edatrexate days 1 and 15 and 175 mg/m2 of paclitaxel as a three-hour infusion days 2 and 16 of a 28 day cycle. These results warrant phase II trials of the combination leading to phase III studies comparing the two drugs to a single agent to confirm the preclinical evidence of synergy.
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  • 28
    ISSN: 1569-8041
    Keywords: chemotherapy ; multiday vinorelbine–cisplatin ; NSCLC
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: To evaluate the efficacy of a novel multiday schedule of vinorelbine and cisplatin in patients with advanced NSCLC. Patients and methods: Thirty patients were enrolled, including 27 patients with stage IV disease, and 11 patients with performance status of 2. They received a maximum of four chemotherapy cycles with cisplatin 20 mg/m2/day and vinorelbine 15 mg/m2/day intravenously (i.v.) for four consecutive days, every three weeks, with prophylactic filgrastim. Results: Sixteen patients responded (53%, 95% confidence interval (95% CI): 34%–72%), including two complete and fourteen partial confirmed responses. Median survival for all patients was 8.1 months, with actuarial one-year and two-year survival rates of 40% and 15%. Despite prophylactic filgrastim, the delivered vinorelbine dose intensity of 16.8 mg/m2/week caused febrile neutropenia in 48% of patients (16% of cycles), resulting in one treatment-related death. Common nonhematologic toxicities included delayed emesis, asthenia, and constipation. Conclusions: This multiday vinorelbine–cisplatin schedule is highly active against advanced NSCLC but results in frequent neutropenic complications. The myelotoxicity and antitumor efficacy of vinorelbine in NSCLC patients may be schedule-dependent.
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  • 29
    ISSN: 1569-8041
    Keywords: aggressive lymphoma ; chemotherapy ; prognostic factors ; randomised trial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The long-term survival of patients with advanced stage aggressive lymphoma has not improved significantly during the last twenty years. In a randomised trial, the efficacy of MACOP-B, a six-drug weekly chemotherapy regimen, was compared to CHOP, the current standard regimen, in terms of overall and failure-free survival, toxicity and health related quality of life. Patients and methods: Four hundred five patients with aggressive lymphoma, stage II–IV, age 18–67, were randomised to receive either 12 weeks of MACOP-B or 8 courses of CHOP over 24 weeks. Special emphasis was put in the definition of Ann Arbor stage in extranodal disease. A subset of 95 patients also entered a quality of life study, based on the EORTC QLQ-C30. Results: Thirty-one patients were ineligible. Among the remaining 374 patients, the median age was 52 years. According to the age-adjusted International Prognostic Index, 37% were ‘high-intermediate’ or ‘high-risk’ patients. No difference could be demonstrated, either in overall survival (60% at five years in the MACOP-B group and 59% in the CHOP group) or in failure-free survival (47% at five years with MACOP-B and 44% with CHOP). In terms of quality of life, physical function and global quality of life were more impaired in patients receiving MACOP-B, who also exhibited more non-haematological toxicity. Conclusion: No superiority of MACOP-B compared to CHOP could be demonstrated. CHOP remains the treatment of choice in low-risk patients. At present, intensified or experimental treatment should be reserved for high-risk disease.
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  • 30
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    Journal of molecular medicine 77 (1999), S. 332-338 
    ISSN: 1432-1440
    Keywords: Key words Chagas" disease ; Trypanosoma cruzi ; chemotherapy ; sterol biosynthesis inhibitors ; nitrofurans ; nitroimidazoles ; autoimmunity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Current developments in experimental chemotherapy of Chagas’ disease are reviewed, in particular the demonstration that fourth-generation azole derivatives (inhibitors of sterol C14α demethylase), with particular selectivity against Trypanosoma cruzi and special pharmacokinetic properties, are capable of inducing radical parasitological cures in murine models of both acute and chronic disease. These are the first reports of parasitological cure of this disease in its chronic phase. We also discuss the relevance of etiological treatment in the clinical outcome of patients with chronic Chagas’ disease. Although previous studies have suggested an important autoimmune component in the pathogenesis of this disease, recent results obtained using highly sensitive polymerase chain reaction based detection methods and detailed immunological characterization of the inflammatory process associated with chagasic cardiomyopathy indicate a positive correlation between tissue parasitism and the severity of cardiac pathological findings. Effective antiparasitic treatment can lead to regression of the inflammatory heart lesions and fibrosis in experimental animals and to stop the progression of the disease in humans. Taken together, these findings support the notion that the presence of the parasite is a necessary and sufficient condition for chagasic cardiomyopathy and confirm the importance of specific etiological treatment in the management of chronic chagasic patients.
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  • 31
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    Der Nervenarzt 70 (1999), S. 1-10 
    ISSN: 1433-0407
    Keywords: Schlüsselwörter Tic-Störung ; Zwangsstörung ; Kinder ; Jugendliche ; Neurobiologie ; Psycho- pharmakologie ; Verhaltenstherapie ; Key words Tic-disorder ; Obsessive-compulsive disorder ; Children ; Adolescents ; Neurobiology ; Psychopharmacology ; Behavior therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary In children and adolescents motor/vocal tics and obsessive-compulsive behavior are known to be closely related. Thereby, a continuum of symptoms ranging from single tics to a mixed picture of tics/rituals/obsessive-compulsive traits to clinically relevant obsessions and compulsions could be described. As neurobiological substrates dysfunctions in corresponding cortico-striato-thalamo-cortical circuits (sensorimotor circuit in tic symptomatology, orbitofrontal circuit in obsessive-compulsive behavior) were postulated. For both disturbances behavioral therapy can be used to improve control mechanisms to counterregulate tics and obsessive-compulsive behavior, respectively, and psychopharmacological agents can be administerd to compensate dysbalances in neurotransmitter systems. In case of a mixed symptomatologic picture it is necessary to include interventions for both pols of the symptom-continuum in the therapeutic programme to achieve extensive improvement as a basis for a further positive development of the patient.
    Notes: Zusammenfassung Motorische/vokale Tics und zwanghafte Verhaltensweisen kommen bei Kindern und Jugendlichen häufig gemeinsam vor; dabei kann ein Symptomkontinuum von solitär auftretenden Tics über ein Mischbild von Tics und Ritualen/zwanghaften Gedanken und/oder Handlungen bis hin zu eindeutigen Zwangsphänomenen beschrieben werden. Neurobiologisch können diesem Symptomkontinuum unterschiedlich ausgebreitete Dysfunktionen entsprechender kortiko-striato-pallido-thalamo-kortikaler Regulationssysteme zugrunde liegen. Therapeutisch lassen sich bei beiden Verhaltensauffälligkeiten mittels verhaltenstherapeutischer Techniken Steuerungs- und Kontrollmöglichkeiten zur Gegenregulation der Auffälligkeiten verbessern sowie durch Einsatz von Psychopharmaka Dysbalancen von Neurotransmittersystemen ausgleichen. Bei einem Mischbild von Tics und Zwängen sind therapeutische Interventionen für beide Zielbereiche erforderlich. Nur so können umfassende Verbesserungen erreicht und günstige Entwicklungsbedingungen für die betroffenen Kinder und Jugendlichen eröffnet werden.
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  • 32
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    Monatsschrift Kinderheilkunde 147 (1999), S. 328-332 
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Asthma bronchiale ; Schulkinder ; Türkische Kinder ; Key words Asthma ; Children ; Turkish children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Objectives: In Germany 4.2% (in Munich 8.6%) of all children under 15 years of age are of Turkish origin, representing the largest ethnic minority in this age group. However, very little is known about the prevalence, severity and management of asthma and other atopic diseases in Turkish children living in Germany. Methods: In a cross-sectional survery the prevalence, severity and treatment of asthma and other atopic diseases was assessed in 7,445 schoolchildren aged 9 to 11 years, living in Munich, southern Germany. Questionnaires were distributed to the parents for self-completion and children underwent skin-prick tests and cold-air hyperventilation challenge. Results: Of those returning the questionnaires (n = 6490/87%), 5,030 (77.5%) were of German and 451 (7%) of Turkish origin. Turkish children showed a significantly lower prevalence of asthma (5.3% versus 9.4%, P 〈 0.05) than their German peers. Furthermore, Turkish children with asthma were less frequently free of symptoms (10.5% versus 34.6%, P 〈 0.05), reported more severe symptoms (41.2% versus 10.9%, P 〈 0.05) and more hospital admissions (55.6% versus 21.6%, P 〈 0.05) due to asthma than German children. Conclusions: The results of this study indicate that despite the lower prevalence of asthma and allergy in the Turkish population living in Germany, asthma is a major health problem for Turkish children. Furthermore, these findings suggest inadequate management of asthma in Turkish children.
    Notes: Zusammenfassung Fragestellung: Türkische Kinder stellen in der Bundesrepublik Deutschland mit 4,2% und in München mit 8,6% den größten Anteil nicht-deutscher Kinder in der Altersgruppe bis 15 Jahren. Wenig ist jedoch bisher über Häufigkeit, Symptome und Behandlung von Asthma bronchiale und anderer atopischer Erkrankungen der türkischen Minderheit in Deutschland bekannt. Methodik: In einer Querschnittstudie wurde bei 7445 Schulkindern im Alter von 9 bis 11 Jahren im Großraum München die Häufigkeit, der Schweregrad und die Behandlung des Asthma bronchiale und anderer atopischer Erkrankungen untersucht. Fragebögen wurden von den Eltern ausgefüllt, Lungenfunktionsuntersuchungen und Hautpricktests wurden bei den Kindern durchgeführt. Ergebnisse: Von denen, die die zugeschickten Fragebögen ausfüllten (n = 6490/87%), waren 5030 (77,5%) deutscher und 451 (7%) türkischer Nationalität. Die türkischen Kinder zeigten eine niedrigere Prävalenz von Asthma bronchiale (5,3% versus 9,4%, p 〈 0,05) und Neurodermitis (1,6% versus 12,9%, p 〈 0,001) im Vergleich zu den deutschen Kindern. Signifikante Unterschiede bestanden zwischen türkischen und deutschen Kindern in Art der Symptome und der Krankheitswahrnehmung. Türkische Kinder mit Asthma bronchiale waren seltener beschwerdefrei (10,5% versus 34,6%, p 〈 0,05) berichteten von schwereren Symptomen (41,2% versus 10,9%, p 〈 0,05) und von einer größeren Anzahl von Krankenhausaufenthalten (55,6% versus 21,6%, p 〈 0,05) aufgrund von Asthma bronchiale. Schlußfolgerung: Die Ergebnisse der Studie legen den Schluß nahe, daß Asthma bronchiale trotz der niedrigeren Prävalenz in der türkischen Bevölkerungsgruppe ein erhebliches Gesundheitsproblem bei türkischen Schulkindern darstellt. Die höhere Anzahl von Fehltagen in der Schule und die deutlich höhere Anzahl von Klinikaufenthalten aufgrund von Asthma bronchiale sprechen für eine mangelhafte präventive Behandlung dieser Erkrankung bei türkischen Kindern.
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  • 33
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    HNO 47 (1999), S. 535-540 
    ISSN: 1433-0458
    Keywords: Schlüsselwörter Hörschäden ; Knalltrauma ; Kinder ; Tinnitus ; Erweiterte Hochtonaudiometrie ; Key words Hearing loss ; Acoustic trauma ; Children ; Tinnitus ; High-frequency audiometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The study presents an analysis of 20 cases of acute acoustic trauma caused by toy pistols. The problem generally involves boys within the age range from 6 to 11 years. Half of the incidents involved attacks with toy pistols used as weapons. Auditory damage appeared in two types, each of which had a notch in the audiogram at the frequency range between 10 and 14 kHz. In children, a shot close to one ear can damage both ears. Great differences in the severity of tinnitus were apparent. The most severe cases of tinnitus were observed in the children with no or minor premanent auditory damage. Children experiencing long periods of uninterrupted tinnitus suffer significantly. This is not only detrimental to family-life but also to the performance of the children at school. The total expenses of treatment for these 20 cases were estimated to be approximately 80,000 DM (40.000 Euro).
    Notes: Zusammenfassung Im Rahmen einer Studie wurden 20 Fälle von Knalltraumata durch Kinderpistolen erfaßt und ausgewertet. Die Problematik betrifft fast nur männliche Personen und schwerpunktmäßig den Altersbereich von 6–11 Jahren. Die Hälfte der Vorfälle waren Angriffe, bei denen die Kinderpistole als Waffe eingesetzt wurde, 2 Typen von Hörschäden sind festzustellen, die jedoch beide durch eine Senke im Bereich von 10–14 kHz charakterisiert sind. Bei Kindern kann der Schuß in eines der Ohren auch das andere Ohr schädigen. Sehr große Unterschiede bestehen im Auftreten von Tinnitus. Die Fälle mit starkem Tinnitus haben keine oder nur geringe bleibende Hörschäden. Die von Knalltraumata betroffenen Kinder leiden oft sehr stark unter langanhaltendem Tinnitus. Dabei wird nicht nur das Leben der Familien beeinträchtigt, sondern auch die schulischen Leistungen der Kinder leiden teilweise sehr stark darunter. Für die Therapie dieser 20 Fälle entstanden Gesamtkosten von ca. 80.000,- DM
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  • 34
    ISSN: 1433-0458
    Keywords: Schlüsselwörter Laryngotracheale Stenose ; Cricotracheale Resektion ; Kinder ; Tracheotomie ; Key words Laryngotracheal stenosis ; Cricotracheal resection ; Tracheostomy ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Approximately 90% of infants and children with severe acquired laryngotracheal stenoses are tracheotomy dependent and therefore impaired in their physical and speech developments. In addition, tracheotomized infants can be endangered by the cannula due to the possible crusting of secretions or its dislocation. Thus, early repair of a stenosis is mandatory. Within the last 10 years, we successfully operated on 18 children with severe laryngotracheal stenoses. Ten children were treated with a modified Cotton technique. This paper reports our results of cricotracheal resection performed in 8 children since 1994 (age distribution: 7 months through age 15 years). Four children had Cotton grade II stenoses, three had grade III stenoses and one grade IV stenoses. In 3 patients a tracheotomy had been performed at another institution. Since their tracheostomas were too far caudal, they could not be included in the primary resection. All 8 children have been successfully decannulated. Five children without tracheotomies could be extubated uneventfully on the 5th postoperative day. All three primarily tracheotomized children needed further endotracheal stenting with T-tubes because of stomal and suprastomal collapse. Two of these latter children additionally required a tracheoplasty with rib cartilage grafts in order to stabilize the suprastomal trachea prior to decannulation. No patient experienced injuries to the recurrent laryngeal nerves or insufficiencies of the anastomosis. All children’s voices were not impaired. This is the third report in literature of cricotracheal resections in infants and children, indicating that this effective, one-stage procedure is superior to laryngotracheal reconstruction with rib cartilage.
    Notes: Zusammenfassung Kinder mit schweren, erworbenen subglottischen laryngotrachealen Stenosen sind zu 90% tracheotomiert und daher in ihrer körperlichen und sprachlichen Entwicklung beeinträchtigt. Zusätzlich sind mit einer Trachealkanüle versorgte Kinder, insbesondere Kleinkinder, gefährdet, so daß die chirurgische Beseitigung der Stenose dringend geboten ist. Wir haben innerhalb der vergangenen 10 Jahre 18 Kinder mit einer schweren subglottischen laryngotrachealen Stenose operiert; 10 Kinder, über die kürzlich berichtet wurde, konnten mit der modifizierten Cotton-Technik erfolgreich dekanüliert werden. Über 8 Kinder (Alter 7 Monate bis 15 Jahre, 4mal Stenose II. Grades, 3mal Stenose III. Grades, einmal Stenose IV. Grades), die wir mit cricotrachealer Resektion (CTR) und thyrotrachealer Anastomose operierten, wird in der vorliegenden Arbeit berichtet. 3 Kinder waren anderenorts bereits tracheotomiert. Da die Stomata zu weit kaudal lagen, konnten sie nicht in die Resektion einbezogen werden. Alle 8 Kinder konnten inzwischen dekanüliert werden und sind beschwerdefrei: Die 5 nicht tracheotomierten Kinder konnten problemlos am 5. postoperativen Tag extubiert werden. Die zuvor tracheotomierten Kinder konnten erst nach endotrachealer Schienung (2mal nach zusätzlicher Trachealplastik mit Rippenknorpel bei suprastomaler Tracheomalazie) dekanüliert werden. Bei keinem der Kinder trat eine Recurrensparese auf. Die Stimme bei allen Kindern ist unbeeinträchtigt. Die CTR, über die bei kindlichen laryngotrachealen Stenosen mit dieser Arbeit in der Literatur zum 3. Mal berichtet wird, ist eine sehr effektive, einzeitige, komplikationsarme Operationsmethode, deren Resultate für Atmung und Stimme günstiger sind, als mit der Erweiterungsplastik nach Cotton.
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  • 35
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    Monatsschrift Kinderheilkunde 147 (1999), S. 122-127 
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Körperliche Beschwerden ; CBCL/4 ; 18 ; Kultur-vergleichend ; Kinder ; Jugendliche ; Key words Somatic complaints ; CBCL/4 ; 18 ; Cross-cultural ; Children ; Adolescents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Question: What is the frequency of parent-reported somatic complaints of children in Germany and the Netherlands dependent on their age, sex and the education of their parents. Methods: 4876 CBCL (Child Behaviour Checklist) of children aged 4 through 17 years from the general population were analysed. Results: Dutch children were scored higher by their parents than German children. Moreover somatic complaints increased with age and girls were scored higher. The frequencies of somatic complaints varied from 2% for ’problems with eyes’ to 15% for ’headaches’. The presence of one somatic complaint increased the likelihood of concomitant somatic complaints. Conclusion: Somatic complaints of children without any known cause are often seen. Some symptoms are often reported together. More, especially causal studies on the somatic symptoms of children are recommended.
    Notes: Zusammenfassung Fragestellung: Wie verhält sich die Häufigkeit körperlicher Beschwerden bei Kindern in Deutschland und den Niederlanden nach Laieneinschätzung, gibt es Unterschiede abhängig vom Alter und Geschlecht der Kinder und des Ausbildungsniveaus der Eltern? Methode: 2757 deutsche und 2119 niederländische CBCL (child behavior checklist) über Kinder und Jugendliche im Alter zwischen 4 und 17 Jahren aus repräsentativen Studien wurden mit Hilfe von Varianzanalysen ausgewertet. Ergebnisse: Niederländische Eltern beschrieben mehr körperliche Beschwerden als deutsche. Die Ausprägung auf der Symptomskala stieg mit zunehmendem Alter und zeigte höhere Werte für Mädchen. Die Häufigkeit der Beschwerden variiert von 2% für „Augenbeschwerden” bis zu 15% für „Kopfschmerzen”. Bei Anwesenheit eines körperlichen Symptoms stieg die Frequenz zusätzlicher Beschwerden. Schlußfolgerung: Körperliche Beschwerden bei Kindern treten häufig ohne bekannte Ursache auf, bestimmte Beschwerden werden häufig gleichzeitig beschrieben, wobei die Koinzidenz nicht umkehrbar ist. Weitere, besonders ursächliche Studien auf dem Gebiet der körperlichen Beschwerden bei Kindern sind auch hinsichtlich steigender Kosten im Gesundheitswesen empfehlenswert.
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  • 36
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    Monatsschrift Kinderheilkunde 147 (1999), S. 351-355 
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Latexallergie ; Neuogene Blasenentleerungsstörung ; Kinder ; Key words Latex allergy ; Neurogenic bladder dysfunction ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Objectives: The risk to suffer from natural latex allergy is increased in children with congenital neurogenic bladder dysfunction. We, therefore, evaluated whether or not a serologic screening for detection of sensitization to latex is reasonable in these children. Patients and Methods: 40 children aged from 6 months to 17 years were examined by specific questionnaire-based patient histories, and by determination of total serum immunoglobuline E (total IgE) and natural latex-specific serum immunoglobulin E (latex-IgE) by solid-phase immunoassays. Results: 5 children had a history of allergic reaction to rubber containing materials. In 10 children, latex-IgE was elevated 〉 0.35 kU/l, 6 out of these 10 children without a history of allergic reactions to rubber containing materials. There was a positive correlation of elevated latex-IgE values and the number of former surgical procedures (p 〈 0.006), while no correlation was found between elevated latex-IgE values and clean intermittent catheterization (p = 0.408). Conclusion: Compared to questionnaire-based patient histories, serologic screening examination including determination of latex-IgE values may better identify children at risk to suffer from sensitization to natural latex.
    Notes: Zusammenfassung Fragestellung: Naturlatexallergien kommen bei Kindern mit angeborener neurogener Blasenentleerungsstörung gehäuft vor. Es wurde deshalb untersucht, ob bei dieser Patientengruppe ein serologisches Screening zur Erfassung einer Sensibilisierung gegenüber Naturlatex sinnvoll ist. Patienten und Methode: Untersucht wurden 40 Kinder im Alter von 6 Monaten bis 17 Jahren. Die Untersuchung umfaßte eine gezielte Anamneseerhebung durch Fragebogen sowie die Bestimmung des Gesamtimmunglobulin E (Gesamt-IgE) und des naturlatexspezifischen Immunglobulin E (Latex-IgE) im Serum durch Festphasenimmunoassays. Ergebnisse: 5 Kinder hatten anamnestisch Zeichen einer allergischen Reaktion nach Gummikontakt. 10 Kinder wiesen im Serum erhöhte Werte des Latex-IgE auf, wobei 6 dieser Kinder bisher noch keine Zeichen einer Latexallergie hatten. Pathologische Werte für das Latex-IgE korrelierten statistisch signifikant mit der Anzahl operativer Eingriffe (p 〈 0,0006), nicht aber mit einem durchgeführten sauber intermittierenden Einmalkatheterismus (p = 0,408). Schlußfolgerung: Im Vergleich zur alleinigen fragebogengestützen Anamneseerhebung können durch ein serologisches Screening mit Bestimmung des Latex-IgE mehr Kinder entdeckt werden, die durch eine Sensibilisierung gegenüber Naturlatex gefährdet sind.
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  • 37
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    Pediatric surgery international 15 (1999), S. 32-35 
    ISSN: 1437-9813
    Keywords: Key words Appendicitis ; Ultrasonography ; Children ; Graded compression ultrasonography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The diagnosis of acute appendicitis in childhood is frequently difficult. In some situations the need to operate is clear, but in others the decisions may be much “tougher” because the clinical findings are equivocal. This is a retrospective study of a consecutive series of 253 children presenting with “acute abdominal pain? appendicitis” who had graded compression ultrasonography (GCUS) because the clinical scenario did not warrant immediate laparotomy. This represents 30% of all cases seen in the study period. The aim of the study was to examine the role of GCUS and a clinical scoring system (the Alvarado score) in patients in whom the diagnosis is uncertain.
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  • 38
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    Pediatric surgery international 15 (1999), S. 50-55 
    ISSN: 1437-9813
    Keywords: Key words Burns ; Inhalation injury ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Survival from serious burns in children has improved substantially in recent years. Mortality is predominantly determined by the total body surface area burned and the often unrecognised inhalation injury. A retrospective review of 4,451 consecutive children with thermal injuries over a 10-year period was undertaken to determine the incidence, clinical presentation, and pathology of inhalation injury and its contribution to morbidity and mortality. Inhalation burns were diagnosed clinically and confirmed endoscopically and post-mortem in 97 (2.2%) children; 77 sustained fire burns (mean age 4 years) and 20 hot-water burns (mean age 18 months). The Moylan classification stratified them into upper-airway burns in 59 children, major–airway burns in 29, and parenchymal burns in 44. Major-airway burns were always seen in conjunction with either upper-airway or parenchymal injury. Stridor and acute progressive respiratory distress were the two main symptoms, the onset of which was occasionally delayed for up to 72 h. Endoscopy was most helpful in confirming the diagnosis and determining airway management. Endotracheal intubation was needed in more than 50% of children, usually for less than 5 days, and was converted to tracheostomy in only 6. Persistent laryngeal and tracheal damage was identified in 4. Secondary pneumonia occurred in 41.5% of children with fire burns and 55% with hot-water burns. Extensive surface burns, parenchymal injury, and secondary pneumonia all contributed to the significant mortality. Post-mortem findings corroborated clinical and endoscopic evidence. This study suggests that inhalation burns were often not recognised, could present late, and usually had significant consequences. Early clinical diagnosis, supported by endoscopic findings and appropriate management, is essential if the high morbidity and mortality amongst these children is to be improved.
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  • 39
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    Pediatric surgery international 15 (1999), S. 63-65 
    ISSN: 1437-9813
    Keywords: Key words Actinomycosis ; Antibiotic treatment ; Appendicitis ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Abdominal actinomycosis (AMC) is a rare infection in children. The appendix is the most common intra-abdominal organ involved. It presents as an undifferentiated mass, forming abscesses and fistulas in the right lower quadrant. The case of a 15-year-old girl with a AMC of the appendix detected by the pathologist after routine appendectomy is discussed. Long-term antibiotic treatment and follow-up by ultrasound and laboratory controls are necessary.
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  • 40
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    Pediatric surgery international 15 (1999), S. 121-122 
    ISSN: 1437-9813
    Keywords: Key words Ingrowing nails ; Conservative treatment ; Children ; Adolescents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ingrowing nails are not uncommon in children, and even so receive little attention in the pediatric surgery literature. The purpose of the present study was to demonstrate our modification of the conservative treatment of ingrowing nails. Our technique of local treatment combined with patient education for better foot and toe care was successfully used and well tolerated by 19 out of 20 young patients with ingrown toenails.
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  • 41
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    Pediatric surgery international 15 (1999), S. 353-357 
    ISSN: 1437-9813
    Keywords: Key words Testis torsion ; Scrotum ; Appendage ; Cremasteric reflex ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A total of 543 boys suffering from acute scrotal pain underwent emergency surgery between 1986 and 1996. Of these, 91 had a testicular torsion (TT) (16.8%) and 250 had an appendage torsion (AT) (46%). The cause varied with patient age, with most TTs in newborns and boys of 15 years and most ATs in 10–11-year-olds; 21.5% were operated upon within 6 h of the onset of pain and 69.2% within 24 h. Most stayed in hospital for less than 24 h. Pre-surgical examination identified no criterion for excluding TT. We therefore believe that all children complaining of acute scrotal pain should undergo surgery. As release of an inflamed AT reduces pain, three-fourths of the children benefited directly from surgery.
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  • 42
    ISSN: 1437-9813
    Keywords: Key words Ovarian tumor ; Children ; Hypercalcemia ; Small-Cell carcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Tumors of the ovary in girls represent about 80% of pediatric genital tumors; approximately 30% of these tumors are malignant. The risk of malignancy increases with decreasing age. The most frequent finding is a teratoma; other tumors are rare. Small-cell carcinoma (SCCO) of the ovary is extremely rare, occurring mostly in young women. We present an 8-year-old girl with a SCCO of the hypercalcemic type. The findings and treatment are discussed with emphasis on the poor prognosis in these patients, even in stage 1 disease. The current literature is reviewed.
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  • 43
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    Pediatric surgery international 15 (1999), S. 579-581 
    ISSN: 1437-9813
    Keywords: Key words Hydatid disease ; Pancreas ; Children ; Echinococcosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Primary hydatid disease of the pancreas is rare. The authors report a 3-year-old girl who had a cystic mass in the head of the pancreas with no other viscera involved. At laparatomy the entire endocyst was totally extracted from the surrounding pancreatic parenchyma. The postoperative course was uneventful. She is currently disease-free with a follow-up of 5 years. Only four other pediatric cases have been reported in the English literature.
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  • 44
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    Pediatric surgery international 15 (1999), S. 525-526 
    ISSN: 1437-9813
    Keywords: Key words Central venous catheters ; Children ; Complications
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The insertion of central venous catheters has become an established practice in the management of children with different types of malignancies for the administration of chemotherapeutic agents, antibiotics, blood and blood products, as well as drawing blood for various investigations. A commonly encountered problem is that despite the catheter being patent it may be impossible to draw blood from it. We believe this is related to the cut of the catheter tip. To overcome this problem, a technique for cutting the tip of the catheter is described.
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  • 45
    ISSN: 1436-2813
    Keywords: Key Words: lung cancer ; culture ; heterogeneity ; drug screening assay ; subline ; chemotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
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  • 46
    ISSN: 1432-0584
    Keywords: Key words Hypergammaglobulinemia ; Polyclonal ; Acute myeloid leukemia ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Polyclonal hypergammaglobulinemia (PHG) associated with hematological malignancies is a rare occurrence. We reviewed our series of 47 children with AML in order to define the prevalence of PHG and its prognostic value in achieving complete remission (CR) after induction treatment. Patients were stratified by immunoglobulin levels into two groups: with PHG and without PHG. CR reached after induction chemotherapy was considered a positive response. Conditional exact tests were used for the statistical analysis; conditional maximum likelihood estimates of the odds ratio (OR) were obtained. Significance levels (p) were determined from two-tailed tests. Twenty-two of 38 (57.9%) evaluable children showed PHG. Children with PHG and AML were more likely to be in CR after first induction treatment (OR=6.25, p=0.021), independent of sex, age at diagnosis, white blood cell count, percentage of blasts in the bone marrow, FAB phenotype, and treatment protocol. Infections seemed to positively influence early treatment response (p=0.038). PHG and infections were not statistically associated (p=0.16). PHG may result from the uncontrolled stimulation of B lymphocytes by cytokines. Infections or transfusions may act as triggers for the immune system, leading to the antileukemic effect seen in patients with AML and PHG going into spontaneous remission. It could be that this activation caused the larger number of CRs observed in our series. Clarification of why PHG exerts a positive influence on children with AML could help us to understand the ways by which the organism is able to control a malignant disease.
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  • 47
    ISSN: 1432-0584
    Keywords: Key words Thrombopoietin ; Interleukin-11 ; Interleukin-6 ; Thrombocytopenia ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We measured serum levels of thrombopoietin (TPO), interleukin (IL)-11, and IL-6 in 90 different samples from 67 pediatric patients with thrombocytopenia (TP). The cytokine levels were determined by enzyme-linked immunosorbent assays (ELISA), and the biological activity of TPO was measured using a cell line transfected with human c-mpl. In patients with impaired megakaryocytopoiesis, as found in diseases such as aplastic anemia, amegakaryocytic TP, or TP with absent radii, we found TPO levels which were highly elevated compared with normal values (mean=261 AU/ml, n=52, vs. 22 AU/ml in healthy controls). In contrast, patients suffering from idiopathic thrombocytopenic purpura (mean=16 AU/ml, n=31) or platelet function defects (mean=23 AU/ml, n=7) demonstrated normal TPO levels. The biological activity tested in the bioassay correlated well with the ELISA data. However, sera of some patients with amegakaryocytic TP demonstrated a remarkably higher biological activity of TPO than expected from the ELISA data. Within the different groups there was no correlation between platelet counts and TPO levels. Only 27% of all samples had elevated levels of IL-11 (mean=450 pg/ml, n=20). Elevated IL-6 serum levels were detected in only 13% of all samples analyzed (mean=42 pg/ml, n=12). We conclude that megakaryocytopoiesis is regulated mainly by TPO, that it is dependent on the platelet and the megakaryocytic mass, and that IL-11 plays an additional role in supporting the platelet production. IL-6 does not appear to be up-regulated in children with thrombocytopenia.
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  • 48
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    Cancer chemotherapy and pharmacology 44 (1999), S. 203-209 
    ISSN: 1432-0843
    Keywords: Key words Vincristine ; Pharmacokinetics ; Repetitive dosing ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: We studied vincristine disposition after 169 weekly i.v. bolus injections in 32 children with acute lymphoblastic leukemia, non-Hodgkin lymphoma, or Wilms' tumor. The aim of the study was to determine intrapatient and interpatient variability in vincristine disposition and demographic, clinical, and biochemical characteristics influencing this variability. Methods: Vincristine plasma concentrations were measured by a high-performance liquid chromatography assay with electrochemical detection. A limited sampling strategy was used based on a bayesian parameter estimation algorithm that is part of the ADAPT II software package. A two-compartment, first-order model was fitted to the data, and pharmacokinetic parameters were calculated from the model using the ADAPT II software. For statistical analysis, analysis of variance (ANOVA), t test, simple and multiple regression analysis, and non-parametric or robust equivalents were used. Results: Results showed a large intrapatient and interpatient variability in distribution half-life, elimination half-life, total body clearance, apparent volume of distribution at steady state, and area under the concentration–time curve. Intrapatient variability was significantly smaller than interpatient variability for all these parameters except distribution half-life. The diagnosis or treatment protocol turned out to be the most predictive characteristic; leukemia and non-Hodgkin lymphoma patients had a significantly higher total body clearance than Wilms' tumor patients. Conclusions: We conclude that both intrapatient and interpatient variability in vincristine pharmacokinetics is large in pediatric cancer patients and that variability, although significantly influenced by diagnosis, largely remains unpredictable.
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  • 49
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    European journal of pediatrics 158 (1999), S. 519-522 
    ISSN: 1432-1076
    Keywords: Key words Pulmonary function test ; Adjustment ; Children ; Prediction equations ; Population specific
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fitting adequate prediction equations for pulmonary function test (PFT) parameters is crucial in the analysis of lung function tests and their interpretation. Our work aimed at studying the necessity of building population specific prediction equations, rather than using prediction equations built-in in commercial equipment. We used as an example results of studies carried out among Israeli schoolchildren. Second to sixth grade children (7–13 years old), 1064 boys and 1211 girls, were studied in Tel-Aviv. PFT (forced vital capacity, forced expiratory volume in 1st second, peak expiratory flow, forced expiratory flow in 50% volume, forced expiratory flow in 75% volume) performed by these children were adjusted for height, weight and age, for each sex separately, by a multiple regression procedure. Predicted PFT parameters of 300 boys and 301 girls aged 7–13 years, living along the southern shore of Israel, were calculated using the equations built for the same aged Tel-Aviv children as well as the prediction equations built-in in the spirometer used. The ratios between the observed PFT parameters in the southern children and their expected values, using the Israeli population specific equations, were around 1.00. Using the built-in equations resulted in ratios around 0.90. Conclusion The development of population specific prediction equations for PFT parameters is necessary. Such equations should be used both in clinical assessment to minimize misclassification (healthy/sick child) and in epidemiological studies.
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  • 50
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    European journal of pediatrics 158 (1999), S. 550-552 
    ISSN: 1432-1076
    Keywords: Key wordsShigella ; Toxic encephalopathy ; Children ; Brain oedema ; Shiga toxin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 6-year-old girl is described who died following rapid neurological deterioration, ending in lethal cerebral oedema. Despite the absence of severe intestinal and metabolic derangement, Shigella was cultured from the stool. Toxic encephalopathy is responsible for death following this rare complication of childhood shigellosis in developed countries. The pathophysiology is unknown. Conclusion Lethal toxic encephalopathy can be caused by Shigella despite the absence of severe intestinal and metabolic derangement. If shigelllosis is suspected, headache may be a first significant sign for the development of toxic encephalopathy. Early recognition and rapid measures to prevent brain oedema may improve outcome.
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  • 51
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    Experimental brain research 126 (1999), S. 200-204 
    ISSN: 1432-1106
    Keywords: Key words Motor development ; Anticipatory postural adjustments ; Bimanual coordination ; Children ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Anticipatory postural adjustments (APA) are needed to perform a movement without perturbing posture. We investigated the development of APA in 3- to 4-year-old children during a bimanual load-lifting task. The task required maintaining a stable elbow position despite imposed or voluntary unloading of the forearm. Although children can compensate the consequences of unloading by using APA, their performance did not reach an adults’ level. In addition, children showed high intra-individual variability in the voluntary situation, revealed by the coexistence of both adult-like and immature patterns in kinematic and electromyographic data. In conclusion, the present study reports that APA, associated with a bimanual load-lifting task, are still being set up in 3- to 4-year-old-children. The intra-individual variability should decrease with age and be associated with a progressive mastering of the timing parameters characterizing APA.
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  • 52
    ISSN: 1432-1076
    Keywords: Key words HIV-1 ; T-cells ; CD69 ; Activation ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We evaluated the use of a whole-blood assay that measures spontaneous and activation-induced CD69 expression on peripheral blood T-cells in vitro for assessment of T-cell function in HIV-1-infected paediatric patients. Heparinized venous blood from 28 HIV-1 positive children and adolescents and 23 healthy controls was incubated for 4 h with or without 5 μg/ml phytohaemagglutinin (PHA). Thereafter, analysis of CD69 expression on CD4+ and CD8+ T-cells was done by flow cytometry; simultaneously we determined CD4+ T-cell counts and plasma HIV-1 viral load. Neither spontaneous nor PHA-induced CD69 expression differed significantly between HIV-1 positive patients and healthy controls. However, T-cells from HIV-1 positive patients with plasma HIV-1 viral load levels above 70 × 103 copies/ml showed a higher spontaneous CD69 expression than T-cells from patients with lower plasma viral load levels in different stages of the disease. Antiretroviral treatment in four patients reduced spontaneous CD69 expression in CD4+ T-cells and PHA-induced CD69 expression in CD4+ and CD8+ T-cells significantly after 8 weeks of therapy. Conclusion Spontaneous and activation-induced expression of the early (activation) antigen CD69 on peripheral blood T-cells does not distinguish HIV-1 positive patients from HIV-1 negative healthy controls and is not correlated with peripheral blood CD4+ T-cell counts. This test may not be a reliable marker for functional T-cell deficiency during early stages of HIV disease. Increased spontaneous as well as PHA-induced CD69 expression on T-cells from HIV-1-infected children and adolescents in vitro may rather reflect HIV-induced pre-activation of T-cells in vivo.
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  • 53
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    European journal of pediatrics 158 (1999), S. 662-667 
    ISSN: 1432-1076
    Keywords: Key words Somatosensory evoked potentials ; Far-field potentials ; Achondroplasia ; Foramen magnum stenosis ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Children with achondroplasia may have high cervical myelopathy due to stenosis of the cranio-cervical junction resulting in neurological disability and an increased rate of sudden death. To detect myelopathy we recorded somatosensory evoked potentials (SEPs) after median nerve stimulation in 30 patients with achondroplasia aged 13 months to 18 years (mean 6 years). In addition to the conventional technique of recording the cortical N20 and the central conduction time (CCT), we employed a noncephalic reference electrode recording the subcortical waveforms N13b and P13, generated near the cranio-cervical junction. The findings were related to the clinical status and MRI results. Eighteen patients had MRI evidence of spinal cord compression with indentation or narrowing of the upper cervical cord, and 13 showed signs of myelomalacia. Seven patients had neurological abnormalities. The sensitivities of the SEPs were 0.89 for cervical cord compression, 0.92 for myelomalacia and 1.0 for the clinically symptomatic patients. There were no false-positive results. The subcortical SEPs were more sensitive than the conventional recordings. However, the conventional SEPs were highly specific in the most severely affected patients; here the specificity was 1.0 for patients with myelomalacia and 0.96 for symptomatic patients. Postoperative SEPs improved after occipital decompression in two children. Conclusion The analysis of somatosensory evoked potentials, in particular of subcortical tracings, is useful in the detection of early cervical myelopathy in children with achondroplasia. Early neurosurgical decompression may prevent irreversible damage.
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  • 54
    ISSN: 1432-1076
    Keywords: Key words Antithrombin concentrate ; Children ; Septicaemia ; Acquired antithrombin deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Consumption coagulopathy is a serious problem in childhood. In addition to treatment of the underlying disease, consumption coagulopathy was previously treated with heparin. Nowadays it is treated by substitution of coagulation factors, especially antithrombin (AT) concentrate, alone or in combination with heparin. In this pilot study we administered AT concentrate (dosage 80 U/kgbw/d), without additional heparin treatment, to 29 children beyond infancy with acquired AT deficiency. Antithrombin, platelet count, fibrinogen, PT, and APTT were assayed before and during the course of AT substitution. These coagulation parameters returned to normal 48 hours after normalisation of the plasma AT level. AT levels normalised within 24 h of initial substitution in all children. Lethal outcome due to the underlying disease was observed in only two children. Conclusion Data of this pilot study suggest that, concomitantly with the treatment of the underlying disease, consumption coagulopathy in childhood can be managed successfully with early substitution of AT concentrate.
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  • 55
    ISSN: 1432-1076
    Keywords: Key words Coagulation ; Fibrinolysis ; Head injury ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The present study was designed to evaluate the post-trauma haemostatic changes in 27 children with severe cranio-cerebral trauma defined by a modified Glasgow Coma Score (GCS) 〈10. Blood samples for coagulation studies (fibrinogen, von Willebrand factor (vWf), factor VIII:C, antithrombin, protein C, plasminogen, tissue-type plasminogen activator (t-PA), plasminogen activator inhibitor-1 (PAI), D-dimer) were obtained within two hours of admission, 24 h later, and on days 3–5, 7–9, 21 and 35. Data of this study indicate that alterations of coagulation in paediatric patients are similar to those in adults: On hospitalisation, activated haemostasis was found with decreased fibrinogen, antithrombin and protein C along with enhanced t-PA and PAI. Twenty-four hours later, hypercoagulability with significantly increased vWF and fibrinogen started, with a peak level within the second week. Within 24 h of admission, 17 children developed disseminated intravascular coagulation (DIC) with a clear-cut decrease of antithrombin and fibrinogen together with platelet consumption and enhanced D-dimer. The outcome of children with DIC was significantly poorer than in those without DIC. Complete recovery was seen in five patients; sequelae no handicap and moderate disability were each found in six patients. Severe disability was diagnosed in two children, and fulminant DIC with lethal outcome occurred in eight patients. The GCS (P 〈 0.01) and the occurrence of DIC (P 〈 0.005) showed the strongest association with the patients' clinical outcome. Conclusion Our data underline the significance of post-trauma disturbances of the haemostatic system for the clinical course and outcome in children with severe cranio-cerebral injuries.
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  • 56
    ISSN: 1432-1084
    Keywords: Key words: Lung disease ; Pneumoconiosis ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report two cases of children with malignancies and subpleural nodules found on computed tomography (CT) scan. In both cases the diagnosis was anthracosis. This pathologic condition has never been reported in children. Causes of anthracosis include a smoking environment, living in urban areas and air pollution.
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  • 57
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    Neuroradiology 41 (1999), S. 512-516 
    ISSN: 1432-1920
    Keywords: Key words Meninges ; Tumours ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Childhood meningeal tumours are uncommon and mostly meningiomas. We reviewed the histological and radiological findings in meningeal tumours in six children aged 12 years or less (four benign meningiomas, one malignant meningioma and one haemangiopericytoma). Compared to the adult counterpart, childhood meningiomas showed atypical features: cysts, haemorrhage, aggressiveness and unusual location. MRI features varied according to the site of the tumour, histology, haemorrhage, and presence of intra- or peritumoral cysts. Diagnosis of the extra-axial tumour was relatively easy in two patients with meningiomas, one malignant meningioma and one haemangiopericytoma. MRI findings strongly suggested an intra-axial tumour in two patients with benign meningiomas, because of severe adjacent edema. Awareness of the variable findings of childhood meningiomas and similar tumours may help in differentiation from brain tumours.
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  • 58
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    Neuroradiology 41 (1999), S. 929-934 
    ISSN: 1432-1920
    Keywords: Key words Magnetic resonance imaging ; diffusion weighted ; Myelination ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We studied the changes in brain water diffusion in childhood as seen on diffusion-weighted MRI in 30 children from 1 day of life to 17 years to provide a data base and to investigate the correlation of diffusion changes with known patterns of white matter maturation. The apparent diffusion coefficient (ADC) and apparent anisotropy (AA) were calculated in numerous regions of the brain to include major white matter tracts and gray matter. ADC and AA values were directly related to the structural maturity and compactness of the white matter tracts and changed with aging in a way that predated early myelination markers such as signal change on T1- or T2-weighted images. Diffusion of water is sensitive to structural changes in the brain such as white matter maturation and may be useful in investigating white matter disorders.
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  • 59
    ISSN: 1432-2099
    Keywords: Key words Case-control study ; Children ; CNS tumour ; Environmental exposure ; Indoor radon ; Leukaemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract  A population-based case-control study on risk factors for childhood malignancies was used to investigate a previously reported association between elevated indoor radon concentrations and childhood cancer, with special regard to leukaemia. The patients were all children suffering from leukaemia and common solid tumours (nephroblastoma, neuroblastoma, rhabdomyosarcoma, central nervous system (CNS) tumours) diagnosed between July 1988 and June 1993 in Lower Saxony (Germany) and aged less than 15 years. Two population-based control groups were matched by age and gender to the leukaemia patients. Long-term (1 year) radon measurements were performed in those homes where the children had been living for at least 1 year, with particular attention being paid to those rooms where they had stayed most of the time. Due to the sequential study design, radon measurements in these rooms could only be done for 36% (82 leukaemias, 82 solid tumours and 209 controls) of the 1038 families initially contacted. Overall mean indoor radon concentrations (27 Bq m–3) were low compared with the measured levels in other studies. Using a prespecified cutpoint of 70 Bq m–3, no association with indoor radon concentrations was seen for the leukaemias (odds ratio (OR): 1.30; 95% confidence interval (95% CI): 0.32–5.33); however, the risk estimates were elevated for the solid tumours (OR: 2.61; 95% CI: 0.96–7.13), mainly based on 6 CNS tumours. We did not find any evidence for an association between indoor radon and childhood leukaemia, which is in line with a recently published American case-control study. There is little support for an association with CNS tumours in the literature.
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  • 60
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    Der Radiologe 39 (1999), S. 472-477 
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Fremdkörper ; Ingestion ; Kinder ; Diagnostik ; Key words Foreign body ; Ingestion ; Children ; Diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Foreign body ingestion is not infrequent in infants and children. The diagnosis of radiopaque foreign body ingestion does not pose a major problem. It is crucial to take an X-ray from the pharynx to the level of the pylorus. If a foreign body that might get stuck at the ileocoecal valve is ingested, it is necessary to perform a radiograph of the whole abdomen. Foreign bodies that do not pass the cardia must be extracted endoscopically. In the case of foreign bodies with a smooth contour that have passed the pylorus, parents are advised to check the child’s stool or collect it and bring it for X-raying. If after a week there is no definite evidence that the foreign body has been excreted a follow-up radiograph is carried out. If the foreign body is still in the stomach or duodenum, endoscopy is necessary. The detection of nonopaque foreign bodies can be facilitated by giving oral contrast medium, making the depiction of the foreign body as a filling defect possible. As a complication, perforation can occur, the diagnosis of which may entail the use of sonography, conventional radiography and, to a lesser extent, CT.
    Notes: Zusammenfassung Fremdkörperingestion ist im späten Säuglings- und frühen Kleinkindalter kein seltenes Ereignis. Die Diagnose röntgendichter Fremdkörper bereitet keine Schwierigkeiten. Hierbei ist jedoch zu beachten, daß die Region vom Pharynx bis zum Pylorus abgebildet sein sollte. Wurden Fremdkörper verschluckt, bei denen die Gefahr der Einklemmung in der Bauhin’schen Klappe besteht, sollte das komplette Abdomen bis zum Anus dargestellt werden. Fremdkörper, welche die Kardia nicht passieren, müssen endoskopisch extrahiert werden. Haben glatt begrenzte Fremdkörper den Pylorus passiert, werden die Eltern aufgefordert, den Stuhl zu untersuchen oder zu sammeln und ihn zur röntgenologischen Untersuchung mitzubringen. Sollte der Fremdkörper innerhalb einer Woche nicht auffindbar sein, wird eine Kontrolluntersuchung durchgeführt. Ist der Fremdkörper dann noch im Magen oder im Duodenum, sollte er ebenfalls extrahiert werden. Der Nachweis nicht röntgendichter Fremdkörper kann mittels Gabe von positivem Kontrastmittel als Aussparungsfigur gelingen. Als Komplikation kann eine Perforation auftreten. Hierbei dienen Sonographie, konventionelles Röntgen und gegebenenfalls CT zur Diagnosefindung.
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  • 61
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    European journal of pediatrics 158 (1999), S. S154 
    ISSN: 1432-1076
    Keywords: Key words Veno-occlusive disease ; Antithrombin ; Children ; Chemotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hepatic veno-occlusive disease (VOD) is a well-known complication of chemotherapy in Wilms tumor patients, particularly young children. Although this complication resolves uneventfully in most patients, fatal cases have been reported. Severe VOD after transplantation has a high mortality rate ranging from 45% to 98%. New hemostatic therapeutic strategies have significantly improved the prognosis of VOD. Chemotherapy-related VOD in Wilms tumor usually has a good prognosis. We describe two patients with Wilms tumor and one with acute lymphoblastic leukemia, who developed severe veno-occlusive disease of the liver according to the Baltimore criteria while undergoing chemotherapy; the symptoms were hepatomegaly, ascites, hyperbilirubinemia, weight gain and, in one patient, short-term lethargy. Elevated LDH levels of 872 to 12,000 U/l were observed in our patients. All patients had thrombocytopenia between 29,000 and 40,000/μl and decreased antithrombin (AT) and protein C levels; two patients had gastrointestinal bleeding. All patients developed a coagulopathy because of severe hepatic dysfunction. Two patients received low-dose heparin at the onset of VOD. The thrombolytic therapy was rapidly changed to AT supplementation (20–80 IU/kg bw 2× per day) without heparin when thrombocytes were very low or gastrointestinal bleeding occurred. Resolution of VOD was observed in all patients receiving AT alone. The chemotherapy was discontinued in a patient with accidental actinomycin D overdosage in view of the severity of symptoms. The remaining two patients received chemotherapy according to the therapy protocol after restitution. All patients survived without sequelae with a median follow-up of 28 months (range 8–48 months). Conclusion Hepatic veno-occlusive disease is a rare but increasingly recognized complication in pediatric cancer patients receiving conventional chemotherapy. AT supplementation constitutes a good alternative treatment of severe VOD in comparison with other thrombolytic therapies, particularly in patients at high risk of bleeding.
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  • 62
    ISSN: 1432-1076
    Keywords: Keywords Liver ; Steatosis ; HIV ; AIDS ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Thirty HIV-infected children were cross-sectionally examined for morphologic hepatic abnormalities, using ultrasonography or histology. Abdominal ultrasonography was performed in 27 children. The liver structure was normal in four patients, one of whom had moderate symptoms of the HIV infection and three of them severe symptoms. Abnormal liver structure, compatible with hepatic steatosis, was found in 23 (85%) patients. Five of them were in an early stage of the HIV infection (category N or A), three patients were ranked in category B and 15 patients in category C. Histological examination of the liver was performed in 11 children and steatosis was documented in ten (91%). In seven (70%) of these ten children steatosis had been suspected by ultrasonography. In conclusion, steatosis is common in HIV-infected children. It is non-specific and has no impact on disease, diagnostic evaluation or management. Conclusion Ultrasonography is a sensitive, accurate, non-invasive screening tool. It is more reliable than liver function tests.
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  • 63
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    European journal of pediatrics 158 (1999), S. 12-17 
    ISSN: 1432-1076
    Keywords: Key words Alternative medicine ; Complementary therapies ; Critical care ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The interest in alternative medicine (AM) is growing. In the USA and Canada, studies showed that 34% of adults and 11% of children use AM. In a prospective cohort study, we investigated the interest in AM among parents of critically ill children in the paediatric Intensive Care Unit (ICU) of a university hospital. From January 1996 to April 1997, we distributed questionnaires to the parents of critically ill children. These strictly anonymous questionnaires were completed at home and returned by mail. Exclusion criteria were short (〈1 day) or repeated hospitalizations, and insufficient proficiency of the German language. The inclusion criteria were fulfilled by 591 patients; 561 received the questionnaire (95%) and 289 (52%) were returned. Of the respondents, 70% would appreciate AM as a complementary therapy on the ICU, 23% found AM equally or more important than conventional medicine whereas only 7% regarded AM as unimportant. On the ICU, 18% used AM; surprisingly 41% of them did not discuss it with physicians or nurses. An additional 21% would have liked to use AM, but did not do so. Typically, AM-users administered AM also at home to their children and themselves. Their children were however, older. Conclusions A substantial proportion of parents used measures of alternative medicine in the intensive care unit, or would have like to do so. However, few had the confidence to discuss this wish with the medical personal. This suggests that alternative medicine is of great interest, even on an intensive care unit. Nevertheless, discussion about alternative medicine seems to be taboo in doctor-patient relations.
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  • 64
    ISSN: 1432-1076
    Keywords: Key words Mild head injury ; Fractured bone ; Late sequelae ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two years after an accident resulting in either a mild head injury or a fractured bone, two groups of 22 children each, aged 4–14 years, were examined for the existence of any neurobehavioural symptoms by means of a standardized questionnaire filled out by their caretakers. Selection of the children was based on reports of the Accident and Emergency Department in 1 year. Significantly more symptoms were reported after mild head injury. The main symptoms reported were headache, dizziness, fatigue and memory problems. The total number of symptoms in the children with mild head injury exceeded four times this in the group of children with a fractured bone. Conclusion Even 2 years after a mild head injury there are still residual symptoms in daily life.
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  • 65
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    European journal of pediatrics 158 (1999), S. S117 
    ISSN: 1432-1076
    Keywords: Key words Stroke ; Coagulation ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Many studies have shown a high percentage of venous thromboses in children to be associated with haematological disorders. However, studies assessing the influence of haemostaseological disorders on paediatric stroke are rare. We compared 26 children with cerebral infarction (median age 2 months, range 0–16.2 years) and 17 with venous thrombosis (median age 4.5 years, range 0–17 years) with regard to prothrombotic risk factors. Prothrombotic disorders were found in 8 out of 26 patients with cerebral infarction (FV Leiden mutation: n = 4; protein C deficiency: n = 1; FV Leiden mutation + protein C deficiency: n = 2; prothrombin mutation G20210A: n = 1) and in 13 out of 17 with venous thrombosis (FV Leiden mutation n = 3; protein C deficiency n = 5; elevated HRGP + PAI: n = 1; combined deficiency of AT, protein C and plasminogen: n = 1; F XII deficiency: n = 1; lupus anticoagulans n = 1; FV Leiden + F XII deficiency + lupus anticoagulans + PAI: n = 1). Comparison of these prevalences with those of 150 healthy paediatric controls showed in children with FV Leiden mutation and/or protein C deficiency an increased risk of cerebral infarction (patients vs. controls: 26.9% vs. 6%; OR 5.77; 95%-CI 1.92–17.3; P = 0.0031) as well as of venous thrombosis (53% vs. 5.3% 19.9; 95%-CI 6–65.6; P 〈 0.0001). This result is in contrast with reports on thrombophilia in cerebral infarction in adult patients. Conclusion Our results indicate that FV Leiden mutation and protein C deficiency may contribute to the multifactorial aetiology of stroke in early childhood.
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  • 66
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    European journal of pediatrics 158 (1999), S. 362-366 
    ISSN: 1432-1076
    Keywords: Key words Type 1 diabetes ; Children ; Risk factors ; Case control ; Environmental
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of this study was to investigate environmental risk factors in the development of type 1 diabetes mellitus in a population-based case-control study. Parents of all patients with manifestation of type 1 diabetes between 1989 and 1994 in Vienna were asked to complete a questionnaire (n = 114). Control children (n = 495), matched for age and sex, were randomly recruited from all schools in Vienna. Fathers of diabetic children were significantly older at the time their children were born than fathers of control children (P = 0.015). Children with diabetes were more likely to be second- or third-born children (P 〈 0.05) and fewer went to kindergarten than the control group children (P = 0.007). No significant difference in duration of gestation, percentage of delivery by caesarean section, birth weight or length was found. Neonatal jaundice was more often observed in the patient group (P = 0.038). Breast feeding was reported by 82.7% of mothers of diabetic children and by 81% of mothers of control children, and the duration of breast feeding was longer in patients than in controls (n.s.). Conclusion In our study, the development of type 1 diabetes mellitus was associated with higher paternal age and neonatal jaundice. No correlation could be found with dietary intake of cow's milk products in early infancy, vaccination and other environmental factors.
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  • 67
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    European journal of pediatrics 158 (1999), S. 24-28 
    ISSN: 1432-1076
    Keywords: Key words Hashimoto thyroiditis ; Graves disease ; Children ; TSH function-blocking antibody ; Cytotoxic antibody
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a cross-sectional study, 29 children aged between 1 month and 15.3 years (average age 6.8 years) born to mothers with Graves disease or Hashimoto thyroiditis were examined clinically, biochemically, and by sonography of the thyroid gland. At the time of examination all children were clinically euthyroid. Tests of thyroid peroxidase antibody, thyroglobulin antibody, TSH receptor antibody and free thyroxine (fT4) gave normal results. In 3 children subclinical hypothyroidism with elevated TSH and normal fT4 concentrations were found; one of these children had a minor decrease of total thyroxine. Three children with otherwise normal test results had marginally elevated tri-iodothyronine concentrations. Increased antibody titres were present in 8 out of 29 children. TSH function-blocking antibodies were elevated in 8 cases. In addition, cytotoxic antibodies were found in one of the children. The distribution pattern of antibodies was different in each child and unrelated to the type of maternal thyroid disease. Conclusion Children of mothers with auto-immune thyroid disease often have thyroid antibodies without signs of thyroid disease. Whether antibody-positive children have an increased risk of developing thyroid disorders later in life must be examined in a longitudinal study.
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  • 68
    ISSN: 1432-1076
    Keywords: Key words Gastro-intestinal bleeding ; Children ; Jejunal leiomyoma ; Neurofibromatosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Gastro-intestinal bleeding is an uncommon presentation in children with neurofibromatosis. Gastro-intestinal involvement caused by jejunal leiomyoma has only been described in adults. To the best of our knowledge, this is the first paediatric case of jejunal leiomyoma associated with neurofibromatosis. We present a 10-year-old girl with a 9-month history of anaemia and low gastro-intestinal bleeding. Abdominal sonography and small bowel series showed a submucosal mass in the proximal jejunum. On surgery, a submucosal tumour was excised and histological examination suggested a diagnosis of “smooth muscle tumour of undetermined malignant potential”. There were no recurrence of symptoms for 4 years after the operation. Conclusion Jejunal leiomyoma should be considered in a child with neurofibromatosis presenting with gastro-intestinal bleeding.
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  • 69
    ISSN: 1432-1076
    Keywords: Key words Respiratory chain ; Mitochondria ; Children ; Infancy ; Liver failure ; AbbreviationsMRCD mitochondrial respiratory chain disease ; OLT orthotopic ; liver transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Mitochondrial respiratory chain disease may lead to neonatal or late onset liver failure, requiring liver transplantation. In rare cases, the disease is restricted to the liver and the patient is cured after surgery. More frequently, other organs are simultaneously involved and neuromuscular or other extra-hepatic symptoms may pre-exist, or appear in the post-transplant follow up. Pre-transplant evaluation should aim to rule out neurological disease, which may be difficult to differentiate from signs accompanying liver insufficiency. Cerebrospinal fluid lactic acid levels, compared to blood lactate, may be suggestive of central nervous system involvement. Of 11 cases with respiratory chain disorders who had liver transplantation in various centres, 4 are alive and well on follow up, and 6 died, three of them having developed neurological disease post orthotopic liver transplantation. All three patients with initial liver and gastro-intestinal disease died early after transplantation, indicating that these may be poor candidates for this procedure. Conclusion Liver transplantation is feasible in hepatic respiratory chain disorders, but extra-hepatic disease should be ruled out before transplantation. Extra-hepatic manifestations may, however, appear and cause patient death despite successful transplantation.
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  • 70
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    European journal of pediatrics 158 (1999), S. S085 
    ISSN: 1432-1076
    Keywords: Key wordsα1-Antitrypsin ; Liver disease ; Liver transplantation ; Children ; AbbreviationsAATα1-antitrypsin deficiency ; OLT orthotopic liver transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Only a minority of infants born with α1-antitrypsin deficiency will develop serious liver disease during childhood, mostly but not always after neonatal cholestasis. Early prognosis is difficult and all children have to be followed up carefully. The liver disease progresses with varying speed and it lacks specific features. At the time of liver transplantation the young patients have no pulmonary disease induced by the deficiency and in those with renal involvement, the kidney problems can mostly be dealt with by conservative therapy. The peri- and postoperative care of the patients who undergo liver transplantation does not differ from the usual routines.
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  • 71
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    European journal of pediatrics 158 (1999), S. 298-301 
    ISSN: 1432-1076
    Keywords: Key words Isolated ; Sphenoid ; Sinusitis ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Acute isolated infectious sphenoiditis is an uncommon, potentially dangerous condition which is often misdiagnosed because of its nonspecific symptoms and paucity of clinical signs. We present eight children with isolated sphenoiditis who were managed in our medical centre during the last 2 years and review the literature. All the patients were adolescents or pre-adolescents and all experienced moderate to severe refractory oppressive headache. Four had a history of sinusitis or allergic rhinitis. None had fever or any other directing clinical sign. Diagnosis was made by cranial computer tomography. All were treated with antibiotics and recovered completely without infectious or neurological complications. Conclusion Acute isolated infectious sphenoiditis should be considered in adolescents and pre-adolescents who present with constant moderate to severe oppressive headache. Awareness of this entity will enable early diagnosis and initiation of antibiotic treatment which is essential to avoid complications and surgical intervention.
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  • 72
    ISSN: 1432-1076
    Keywords: Key words Heparin treatment ; Heparin-induced thrombocytopenia ; HIT antibodies ; Children ; Catheter patency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The immunological form of heparin-induced thrombocytopenia (HIT) is a potentially life-threatening adverse reaction of heparin medication. It is mediated by multimolecular complexes consisting of platelet factor 4 (PF4)-heparin-IgG which bind to platelets via platelet Fcγ receptors. Cross-linking of multiple Fcγ receptors results in platelet activation, platelet aggregation and enhanced thrombin generation with a increasing risk of developing new thrombosis. In children, data on HIT are sparse. This review of the literature reports on 8 children aged 3 months to 15 years and 14 newborns suffering from HIT. Additionally, we report one new case treated with danaparoid sodium. Thrombotic complications were venous (n = 12) and arterial (n = 15). The children received heparin either for a spontaneous thrombotic event, for severe cardiac diseases or to maintain patency of intravascular catheters which are used for nutrition, blood sampling, and for application of medication. After diagnosis of HIT they were further anticoagulated with aspirin, warfarin, danaparoid sodium, lepirudin or low molecular weight heparin. Conclusion Although HIT is less frequently reported in newborns and children, paediatricians should be aware of HIT in childhood as a potential complication of heparin application. The widespread practice of flushing catheters with heparin should also be debated in view of the risk of triggering the primary immune-response of HIT. In 1999, treatment options for further parenteral anticoagulation of HIT patients are danaparoid sodium (a low-molecular weight heparinoid) and lepirudin (a direct thrombin inhibitor).
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  • 73
    ISSN: 1432-1076
    Keywords: Key words Factor V G1691A ; Prothrombin G20210A ; Lipoprotein (a) ; Central venous lines ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To evaluate the role of inherited thrombophilia in the development of central venous line (CVL)-related thrombosis, the following parameters were determined in 77 pediatric-oncologic patients with CVL: activated protein C (APC)-ratio, factor V (FV) G1691A and prothrombin G20210A mutation, protein C, protein S, antithrombin, coagulation factor XII, lipoprotein (a) and homocysteine. An inherited prothrombotic risk factor was found in 17 patients (23%). Four out of 14 patients with a single defect (hyperlipoproteinemia, heterozygous FV G1691A and prothrombin G20210A mutation, protein C deficiency type I) and all three patients with combined defects (heterozygous FV G1691A mutation combined with heterozygous prothrombin G20210A variant, protein S deficiency or hyperlipoproteinemia) suffered from CVL-related thrombosis. In 11 out of 77 patients (14%) a CVL-related thrombosis was detected. In 2 children thrombosis occurred a few days after asparaginase therapy and in another three thrombosis was associated with CVL-related septicemia caused by Staphylococcus epidermidis. After removal of CVL, thrombosis was detected in 5 children, in 2 without clinical symptoms but in the presence of inherited prothrombotic risk factors. Conclusion The present study demonstrates the clinical importance of CVL in combination with inherited thrombophilia in the development of thrombosis in pediatric-oncologic patients. Before or shortly after insertion of CVL, patients should be tested for the presence of factor V G1691A mutation, prothrombin G20210A variant and increased lipoprotein (a) values.
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  • 74
    ISSN: 1432-1084
    Keywords: Key words: Optic nerves ; Neuritis ; Children ; Central nervous system ; MR imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. A 4-year-old boy developed bilateral optic neuritis. Although precise neuro-ophthalmological evaluation was difficult, the diagnosis was made with gadolinium-enhanced MR imaging using fat-suppression technique in the initial stage of the disease. Enhancement and enlargement of the intraorbital and intracanalicular optic nerve were demonstrated bilaterally as well as protrusion of the optic nerve head. The disease responded dramatically to intravenous steroid therapy. The etiologies in children usually differ from those in adolescent and adult patients.
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  • 75
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    Experimental brain research 125 (1999), S. 239-247 
    ISSN: 1432-1106
    Keywords: Key words Precision grip ; Motor development ; Motor control ; Children ; Object manipulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Recent evidence has shown that the anticipatory control of grip and load force is not innate and develops over several years in childhood. The present study examined the development of grasping behavior by quantifying the relationship between grip force and the vertical acceleration of an object. Children and adults were requested to use a precision grip to lift an instrumented object which varied in size and weight. Grip force, grip force rate and the vertical position and acceleration profiles of the test object were measured or calculated. The results demonstrated the presence of distinct developmental milestones in the maturation of precision grip from 2 to 9 years of age. With 2-year-old children, the peak acceleration was negatively correlated (r=–0.51, n=34, P〈0.01) with peak grip force during lifting. By 3 years of age, peak acceleration and peak grip force during lifting became positively correlated (r=0.28, n=104, P〈0.01) and the correlation continued to strengthen up to 9 years of age. Variations in the temporal coupling of both peak grip force and peak acceleration also decreased with maturation. Furthermore, starting at 4-years-old, children clearly controlled the acceleration and deceleration of the object in a symmetrical pattern and used a single burst of grip force rate to grasp the object with some regularity, suggesting that the emergence of an anticipatory control strategy had already begun.
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  • 76
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    European spine journal 8 (1999), S. 439-443 
    ISSN: 1432-0932
    Keywords: Key words Low back pain ; Children ; Clinical examination ; Questionnaire ; Prevalence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A study was undertaken to analyse the prevalence of low back pain (LBP) and confounding factors in primary school children in the city of Antwerp. A total of 392 children aged 9 were included in the study. All children completed a validated three-page questionnaire and they all underwent a specific lumbar spine oriented medical examination during their annual routine medical school control. This examination was performed by the city school doctors. The questionnaire was composed of easy “yes/no” questions and visual analogue scales. Statistical analysis was performed using Student’s t-test and chi-squared test at the significance level P 〈 0.05. The prevalence of LBP was high. No gender difference was found. A total of 142 children (36%) reported having suffered at least one episode of LBP in their lives. Of these, 33 (23%) had sought medical help for LBP from a doctor or physiotherapist. Sixty-four percent of children reporting LBP said that at least one of their parents suffered from or complained of LBP. This was significantly higher than for the children who did not report having suffered LBP. The way in which the school satchel was carried (in the hand, on the back) had no bearing on the incidence of LBP. There was significantly more LBP in children who reported playing video games for more than 2 h per day, but this was not so for television watchers. The visual analogue scales concerning general well-being were all very significantly correlated with self-reported LBP, with children who reported LBP being more tired, less happy, and worse sleepers. Of the 19 clinical parameters taken down during the medical examination, only one was significantly more prevalent in the group of children reporting LBP: pain on palpation at the insertion site on the iliac crest of the ilio-lumbar ligament. From this study we can establish that there are few clinical signs that can help to single out school children with LBP.
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  • 77
    ISSN: 1432-1173
    Keywords: Schlüsselwörter Kinderdermatologie ; Exanthem ; Kinder ; Key words Pediatric dermatology ; Exanthema ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Unilateral laterothoracic exanthem a (ULE) is a self-limited, probably infectious-allergic skin disease predominately affecting small children. We describe five such cases. The typical unilaterally located or at least unilaterally dominant exanthem usually starts in the axillary region and is characterized by red, partly confluent papules and fine scales. Two of the children presented with atypical manifestations of ULE. Due to its asymptomatic course, therapy is not necessary in the majority of cases.
    Notes: Zusammenfassung 5 Kinder mit der Diagnose eines unilateralen laterothorakalen Exanthems (ULE) werden vorgestellt. Beim ULE handelt es sich um eine selbstlimitierende, vermutlich infektallergische Hauterkrankung, die hauptsächlich im Kleinkindesalter auftritt. Das typischerweise streng einseitig lokalisierte, immer jedoch einseitig dominierende Exanthem geht meist von der Axillarregion aus und zeigt erythematöse, teils konfluierende Papeln. Zwei der fünf Kinder zeigten auch atypische Hautveränderungen eines ULE. Eine Behandlung ist aufgrund seines überwiegend asymptomatischen Verlaufs in der Mehrzahl der Fälle nicht notwendig.
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  • 78
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    Child's nervous system 15 (1999), S. 563-570 
    ISSN: 1433-0350
    Keywords: Key words Ependymoma ; Children ; Chemotherapy ; Phase II
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Chemotherapy has been used extensively in the management of children with intracranial ependymoma. In this review, we discuss the results of phase II studies and clinical trials conducted in newly diagnosed and recurrent ependymomas. There is little evidence that chemotherapy is effective in this tumour. The response rate to single agents is 11%, with less than 5% complete responses, cisplatin being the most active agent in phase II studies. Combinations may be more effective, although the response rate with high-dose regimens is disappointing. Early results of protocols conducted in infants and young children do not suggest that chemotherapy is beneficial. A more rigorous assessment of chemotherapy is required in order to define its role in patients with intracranial ependymomas. Indeed, it is difficult to justify the use of chemotherapy outside such studies. More large studies, perhaps intergroup, limited to children with ependymomas would be of particular value.
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  • 79
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    Child's nervous system 15 (1999), S. 342-346 
    ISSN: 1433-0350
    Keywords: Key words Severe neurological disabilities ; Managed and rationed care ; Children ; Questionnaire survey ; Pediatric neurosurgeons
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The attitudes of pediatric neurosurgeons to managed and rationed care for children with severe neurological disabilities were surveyed as reflected in responses from International Society for Pediatric Neurosurgery (ISPN) members to a questionnaire. Of 399 ISPN members, 156 (39.1%) responded to the questionnaire. There were 15 questions, which were designed to explore what care is medically indicated, whether all medically indicated care should always be provided, and how this care should be managed or rationed. Most respondents agreed that these patients should receive the same level of medical care as a normally developing child. However, respondents felt that cardiopulmonary resuscitation (CPR) is not indicated if a child is not retrievable. Most respondents also felt that provision of care should be influenced by cost. The responses to the questions from ISPN members were compared with those from Child Neurology Society (CNS) members.
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  • 80
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    Child's nervous system 15 (1999), S. 468-471 
    ISSN: 1433-0350
    Keywords: Key words Seizures ; Epilepsy ; Children ; EEG ; Computed tomography (CT) ; Saudi Arabia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The clinical patterns, including history, examination, and electroencephalographic (EEG) and computed tomography (CT) findings were examined prospectively in 263 children (153 boys, 110 girls) with newly diagnosed recurrent seizures. The overall mean age was 4.2 years, with a range of 0.05–13 years. The age of onset was within the first year of life in 128 (48.7%) of the patients. Hypoxic-ischemic encephalopathy (14.8%), febrile seizures (9.1%) and developmental delay (4.6%) were the predominant signs in this age group. Consanguinity of the parents was present in 29.7% cases. The main EEG abnormalities were epileptiform activity, which was generalized in 133 (50.6%) and focal in 80 (30.4%). Other abnormalities included slow wave activity in 41 (15.6%) and hypsarrhythmia in 3 (1.1%). The main seizure types were generalized in 60.4% and partial in 32.7%. The types of epileptic syndromes included localization-related (28.1%), generalized (23.2%), undetermined (37.4%) and (special) syndromes 11.4%. The cranial CT findings were normal in 60.5%, and the predominant abnormality was cerebral atrophy in 25.3%. The pattern of seizure types and the peak presentation in early childhood are comparable to those in western reports.
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  • 81
    ISSN: 1433-0350
    Keywords: Key words Cerebrospinal fluid shunt ; Infection ; Colonization ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To evaluate the efficiency of our management protocol, 33 pediatric cases of bacteria-infected cerebrospinal fluid shunt were reviewed. The causative organism was staphylococcus in 23 patients. In 23 patients, shunt infection was managed according to the protocol. The complexity of the shunt system did not prolong hospitalization. Unchanged but externalized tubings showed persistent colonization despite adequate antibiotics in 10 of 21 patients. Staphylococcal infection was oxacillin-resistant in 7 of 19. The efficiency of an `off-antibiotics' trial was minimal. Further modification of the protocol is expected to enhance efficiency of the management.
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  • 82
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    Child's nervous system 15 (1999), S. 695-710 
    ISSN: 1433-0350
    Keywords: Key words Craniosynostosis ; Blood salvage ; Blood conservation ; Allogeneic blood transfusion ; Children ; History
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  In the history of surgery, every single step forward in the development of complex surgical techniques has been sustained by the acquisition of more reliable and effective methods for controlling hemostasis. For many years, in fact, uncontrolled hemorrhages, together with infections, represented the most deadly hazard of surgical procedures. In the last century, technical advances in surgical hardware and homologous blood transfusions have been utilized to counteract operative and postoperative anemia and hypovolemia. At the end of this millennium, however, new revelations about the infective and noninfective risks of allogeneic blood transfusions have led to a new acceleration in patients’ and physicians’ demands for autologous transfusions and more efficient blood conservation techniques. Specific surgical protocols, based on the preoperative administration of r-HuEPO, preoperative autologous blood donation, acute preoperative normovolemic hemodilution and intraoperative blood salvage techniques, have been designed by pediatric neurosurgeons to minimize the exposure of patients affected by craniosynostoses to allogeneic blood and blood components even when the surgical procedure is to be realized at an early age. In spite of the evolution expected in this area in the immediate future, the implementation of these blood concentration methodologies may prove to be highly effective only when associated with a concerned attitude of the surgeon toward blood-sparing intraoperative strategies.
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  • 83
    ISSN: 1433-0350
    Keywords: Key words Head injury ; Children ; Traumatic intracerebral haematoma ; Coma scale
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In contrast to the case of extracerebral haematomas, the criteria for operative treatment of traumatic intracerebral haematoma (TIH) are not clear. The purpose of this study was to find factors that would be helpful in reaching a decision for surgical or conservative treatment of TIH. We performed a retrospective analysis of 31 consecutive cases of TIH treated in our department. The following factors were estimated: age, mechanism of injury, initial GCS or CCS score, neurological deficits, coexistence of arterial hypotension and respiratory disturbances, and localisation and size of the haematoma. The outcome was evaluated according to a modified GOS. Treatment was surgical for 20 patients and conservative for 11. Patients with GCS or CCS scores of 3–8 were treated surgically significantly more often than those with higher scores. The other factors did not correlate with type of treatment. It seems, then, that the clinical status of the patient, especially the level of consciousness according to the GCS or CCS score, is the most important predictor of the need for surgery in children with TIH.
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  • 84
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    Der Radiologe 39 (1999), S. 467-471 
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Fremdkörper ; Aspiration ; Diagnostik ; Kinder ; Atemwege ; Key words Foreign body ; Aspiration ; Diagnostic imaging ; Children ; Respiratory tract
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Aspiration of foreign bodies is a common cause of respiratory distress in children between the age of 6 months and 3 years. The diagnosis of radiopaque foreign bodies is easy when the whole respiratory tract is depicted. Nonopaque foreign bodies need a more differentiated diagnostic approach. The first step should be plain films in inspiration and expiration. The performance of additional chest radiographs, fluoroscopy and if need be CT or nuclear scans depends on the result of the plain films. The chest radiograph may reveal a variety of findings, the commonest of which is unilateral air trapping. Rarely, atelectasis, recurrent pneumonia at the same localisation and inspiratory obstruction are found. Combinations of the above-mentioned findings are possible. Moreover, the absence of positive radiological findings does not exclude the diagnosis of foreign body aspiration.
    Notes: Zusammenfassung Die Fremdkörperaspiration stellt eine häufige Ursache für Atemnot und respiratorische Insuffizienz bei Säuglingen und Kleinkindern zwischen 6 Monaten und 3 Jahren dar. Röntgendichte Fremdkörper bereiten bei Abbildung des gesamten Respirationstraktes keine diagnostischen Schwierigkeiten. Nicht röntgendichte Fremdkörper erfordern ein differenzierteres Vorgehen, wobei der erste radiologische Schritt in einer konventionellen Thoraxaufnahme in In- und Exspiration bestehen sollte. Zusätzliche Aufnahmen, Durchleuchtungsuntersuchung und gegebenenfalls die Durchführung einer computertomographischen oder szintigraphischen Untersuchung hängen vom Ergebnis der Thoraxaufnahme ab. Häufigstes radiologisches Erscheinungsbild ist die einseitige exspiratorische Ventilstenose mit Überblähung des betroffenen Lungenabschnittes. Seltener finden sich Atelektasen, rezidivierende Pneumonien an identischer Lokalisation und inspiratorische Ventilstenosen. Kombinationsbilder sind möglich, selbst ein unauffälliges Untersuchungsergebnis kann eine Aspiration nicht ausschließen.
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  • 85
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    Knee surgery, sports traumatology, arthroscopy 7 (1999), S. 243-245 
    ISSN: 1433-7347
    Keywords: Key words Patella ; Fracture ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Sports Science
    Notes: Abstract Fractures of the patella are relatively rare injuries for children. Fourteen patients with patellar fractures were reviewed. There were 12 boys and two girls with the age ranging between 9 and 15 years and an average of 11.4 years. Sleeve fractures were the most common type of patellar fractures observed (eight cases), followed by transverse fractures (four cases) and comminuted fractures (two cases). All the fractures were treated with open reduction and followed up for 2 to 20 years. Overall results were good in 13 patients, and flexion limitation of the knee was seen in one. Fractures of the patella in children are characterised by sleeve fractures. The prognosis of the patients treated with open reduction is generally good.
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    Annals of oncology 10 (1999), S. 105-109 
    ISSN: 1569-8041
    Keywords: advanced pancreatic cancer ; chemotherapy ; clinical benefit
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two case histories are reported here in which a chemotherapeutic approach improved the clinical conditions of patients with advanced pancreatic cancer. Until recently, chemotherapy was considered ineffective in pancreatic cancer, and most oncologists treated these patients with best-supportive-care only. Enthusiasm for systemic therapy of advanced pancreatic cancer is again growing, spurred by the advent of new drugs and new treatment endpoints such as life quality and symptom palliation. Gemcitabine, the most intensively- investigated new drug in pancreatic cancer, has shown an advantage in both survival and clinical benefit over that of 5-fluorouracil (5- FU). Other new drugs such as taxanes have shown interesting levels of activity, and are deserving of further evaluation. Although these results are far from conclusive and are only partially satisfactory, they represent a significant step forward in the treatment of advanced pancreatic cancer.
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  • 87
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    Annals of oncology 10 (1999), S. 139-150 
    ISSN: 1569-8041
    Keywords: apoptosis ; chemotherapy ; clinical trials ; gene therapy ; p53
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Nearly twenty years after the initial discovery of p53, we are now in an ideal position to exploit our vast knowledge of p53 biology in the creation of novel cancer therapies. Disruption of p53 function through mutation, or other means, occurs very frequently in human cancer. Loss of p53 function has been linked with unfavourable prognosis in a large number of tumour types, as indicated by more aggressive tumours, early metastasis and decreased survival rates. Many different avenues of research have converged upon p53 to highlight this protein as being one of the foremost cellular responders to stress, in particular to DNA damage. Huge advances have been made in understanding the complex role p53 plays in the regulation of apoptosis and cell cycle arrest. This review is not meant to be a comprehensive description of p53 biology, but rather serves to highlight current progress in the development of p53- oriented cancer therapies. These may be categorised into three basic strategies: gene replacement therapy using wild-type p53, restoration of p53 function by other means and, finally, targeting of the p53 dysfunction itself. Rapid progress is expected to be made regarding the identification of conventional pharmaceutical agents which either work in a p53-independent manner or act preferentially in p53 defective cells. Gene replacement therapy with wild-type p53 also holds considerable potential for obtaining clinically relevant results quickly. The other forms of cancer therapies based around p53 are much further behind in the developmental process, but may prove to more efficacious in the long run, especially in terms of specificity. As with many other fields, the innovation of successful p53-oriented cancer therapies is only limited by our understanding of p53 biology and the creative use of such knowledge.
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  • 88
    ISSN: 1569-8041
    Keywords: antiretroviral ; chemotherapy ; granulocyte-colony stimulating factor ; HIV infection ; Hodgkin's disease ; therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The optimal therapeutic approach for patients with Hodgkin's disease and human immunodeficiency virus infection (HD–HIV) is unknown. In an attempt to improve the results previously obtained with EBV (epirubicin, bleomycin and vinblastine) without G-CSF (Cancer 1994; 73: 437–44), in January 1993 we started a trial using chemotherapy (CT) consisting of EBV plus prednisone (EBVP), concomitant antiretroviral therapy (zidovudine, AZT or dideoxinosyne, DDI) , and G-CSF. Patients and methods: Up to August, 1997, 35 (30 M/5 F) consecutive previously untreated patients (median age 34, range 21–53 years) with HD–HIV were enrolled in the European Intergroup Study HD–HIV. Their median performance status was 1 (range 1–3). At diagnosis of HD, 26% of the patients had AIDS, 90% had B symptoms at HD presentation and 83% had advanced-stage HD. Patients received E 70 mg/m2 i.v. on day 1, B 10 mg/m2 i.v. on day 1, V 6 mg/m2 i.v. on day 1 and P 40 mg/m2 p.o. from day 1 to day 5 (EBVP). Courses were repeated every 21 days for six cycles. AZT (250 mg × 2/day), or DDI (200 or 300 mg × 2/day) if AZT had been previously used, were given orally from the beginning of CT. G-CSF was given at the dose of 5 mcg/kg/day s.c. from day 6 to day 20 in all cycles. Results: An overall response rate of 91% was observed. There were 74% complete responses (CR) and 17% partial responses (PR). Toxicity was moderate, with grade 3–4 leukopenia and thrombocytopenia in 10 (32%) and three (10%) patients, respectively. The median number of administered cycles was 6 (range 3–6). Twenty-three of 35 patients received AZT and nine patients received DDI. Three (8%) patients had opportunistic infections (OI) during or immediately after CT. The median CD4+ cell count was 219/mm3 (6–812) at HD diagnosis and 220/mm3 (2–619) after the end of combined therapy, and these numbers remained unchanged. Ten of 26 (38%) patients who achieved CR relapsed. Twenty-three patients died of HD progression alone or in association with OI, being the cause of death in 48% and 9% of patients respectively. The median survival was 16 months, with a survival rate of 32% and a disease-free survival of 53% at 36 months. Conclusions: The combined antineoplastic and antiretroviral treatment is feasible, but HD in HIV setting is associated with a more adverse prognosis than in the general population. Although the CR rate obtained was satisfactory, the relapse rate was high. Furthermore, comparison of the results of our two consecutive prospective studies demonstrated no overall improvement in the current trial with respect to the CR rate and survival.
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  • 89
    ISSN: 1569-8041
    Keywords: chemotherapy ; non-small cell lung cancer ; NSCLC ; three-drugs combination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Paclitaxel, gemcitabine, and cisplatin are each active in non-small-cell lung cancer (NSCLC), and with different modes of action. Hence, a phase II study combining these drugs were conducted. Patients and methods: Treatment was paclitaxel 110 mg/m2 and cisplatin 60 mg/m2 day 1 and 15, with gemcitabine 800 mg/m2 day 1, 8, and 15, every four weeks. Patients had previously untreated NSCLC, measurable disease, age 18–70 years, performance status ≤2, and no brain metastases. Results: Among 49 patients, 6 (group 1) received chemotherapy as described above, while 43 patients (group 2) did not receive gemcitabine day 8. In group 1, all experienced grade 4 neutropenia and four achieved a partial response (67%). In group 2, neutropenia grade 4 occured in 58%, with one episode of febrile neutropenia and no toxic death. No other grade 4 toxicities occured, while grade 3 toxicity occured with respect to thrombocytopenia (9%), nausea/vomiting (12%), neurotoxicity (12%), and nephrotoxicity (7%). There were 3 complete and 20 partial responses (response rate 54%, 95% confidence limits 38%–69%), median response duration 29 weeks (range 10–66+), median time to progression 28 weeks (range 4–66+), median survival 46 weeks (4–89+) and one-year survival rate 42%. Conclusion: This regimen of paclitaxel, gemcitabine, and cisplatin has neutropenia as dose limiting toxicity, but septicemic episodes were rare and toxic death did not occur. Other grade 4 toxicities than neutropenia did not occur. The regimen appears safe and with a noteworthy activity both in terms of response rate, time to progression, and survival.
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  • 90
    ISSN: 1569-8041
    Keywords: chemotherapy ; non-metastatic osteosarcoma ; prognosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study evaluates histological response, long-term outcome, and toxicity in an intensive chemotherapy program given before surgery. Patients and methods: Sixty-two patients (39 males, 23 females; median age 14) with biopsy, chest computerised-tomography, technetium bone-scan and magnetic resonance imaging, were enrolled. Primary localisations were femur (44%) and tibia (26%). Induction chemotherapy involved seven courses of high-dose methotrexate and two courses of HELP (ifosfamide, eldesine (vindesine), cisplatin (platinum)–doxorubicin. After surgery, patients received six courses of high-dose methotrexate and two courses of HELP–doxorubicin. Results: Pre- and postoperative toxicities were similar. Fifty-nine patients underwent surgery: histological response was good in thirty-eight patients (64%) and poor in twenty-one (36%). Median follow-up is 57 months (range 30–80), with 77% overall survival and 59% progression-free survival. In a multivariate analysis, age under 10 years is the only prognostic factor that significantly correlates with outcome. Conclusions: This regimen appears to increase histological necrosis, but associates with severe toxicity. Results for patients with less necrosis at surgery are encouraging. Future trials should determine the minimum effective doses to reduce toxicity. New drugs should be added.
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  • 91
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    Annals of oncology 10 (1999), S. 17-20 
    ISSN: 1569-8041
    Keywords: advanced ovarian cancer ; chemotherapy ; duration ; treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Documentation for the optimal duration of first-line chemotherapy in advanced ovarian cancer is limited. Three randomised trials have compared 5-6 cycles with 8, 10 and 12 cycles respectively. None of the studies showed benefit of chemotherapy beyond 6 cycles. At the moment the standard number of cycles therefore must be 6 cycles. However, these data are based on platinum poly-chemotherapy regimens without taxanes. It may be that the optimal number of cycles is different when using taxanes regimens. It is not possible to tell from the literature if there is a relationship between the number of cycles and response or between the cumulative dose and response. At the moment no trial has shown any benefit of high-dose intensity chemotherapy administered over a short time compared with standard dose chemotherapy administered over a longer period.
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  • 92
    ISSN: 1569-8041
    Keywords: cervical cancer ; chemotherapy ; cisplatin ; ifosfamide ; paclitaxel ; survival
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: The results of salvage chemotherapy for recurrent or persistent squamous-cell cervical cancer are unsatisfactory. Cisplatin and Ifosfamide are effective compounds in cervical cancer. Paclitaxel has recently been tested with promising results. The aim of this study was to assess the efficacy of a combination of paclitaxel, ifosfamide and cisplatin (TIP) for persistent/recurrent squamous-cell cervical carcinoma in a phase II trial. Patients and methods: Forty-five women were treated with the TIP regimen. Thirty-one had received prior irradiation. Paclitaxel was given at a dose of 175 mg/m2, ifosfamide at a dose of 5 g/m2, and cisplatin at a dose of 75 mg/m2 (50 mg/m2 in irradiated patients) at three-week intervals. Results: We observed 15 clinical complete responses, 15 partial responses, 9 stable diseases and 6 progressions. The objective response rate was 67% (95% confidence interval: 51%–81%). Ten complete responders underwent subsequent surgery and seven had pathology-defined complete responses (two in irradiated areas). The response rate was 52% in irradiated and 75% in non-irradiated areas. The median survival for non-responders is 6 months, 9+ month for partial responders and 13+ for complete responders. The most relevant side effect was myelotoxicity, with 91% of patients experiencing grade 3–4. One woman had life-threatening toxic effects. Conclusions: This combination is highly effective for salvage treatment in non-irradiated patients. For irradiated women the response rate is higher than that observed with other regimens but further investigation is warranted. The toxicity is relevant but adequate hydration and prolonged infusion of ifosfamide make it acceptable.
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  • 93
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    Annals of oncology 10 (1999), S. 185-187 
    ISSN: 1569-8041
    Keywords: chemotherapy ; endocrine tumours ; immunotherapy ; interferon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The various pancreatic endocrine tumors (PETs) share histological features with each other and with the carcinoid. The aspects of chemotherapy and/or interferon concern the management of metastatic disease. The value of chemotherapy is difficult to evaluate from the literature because often no distinction is made between the various types of PETs and carcinoids are often also included. Moreover, it has been shown that not each tumor responds equally to chemotherapy, depending on a functioning or non-functioning state of the tumor. In general the response rate to any cytostatic drug, single agents or combinations, is low.
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  • 94
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    Annals of oncology 10 (1999), S. 305-307 
    ISSN: 1569-8041
    Keywords: biliay tract cancer ; chemotherapy ; 5-fluorouracil ; gemcitabine ; intra-arterial chemotherapy ; pancreatic cancer ; regional chemotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Chemotherapy of carcinomas of the pancreas and biliary tract has always been of limited value. Pancreatic cancer is well known for its aggressive nature, poor prognosis and resistance to antineoplastic agents which are effective in other solid tumors. 5-Fluorouracil has long been the mainstay of the treatment of pancreatic cancer, although the response rate to this agent is 〈10% and the influence on survival and quality of life is neglegible. Combination chemotherapy in pancreatic cancer adds to the side effects of treatment, but has had no proven effect on effectiveness. The only new anticancer drug of which an improvement in clinical benefit has been indicated on the basis of randomized clinical research, is gemcitabine, although the magnitude of improvement is limited. Due to the rarity of tumors of the biliary tract, the data on the effect of chemotherapy in this disease is sparse but does not suggest that it leads to superior results than supportive care alone. Likewise, no literature exists supporting the routine application of regional chemotherapy infusion in these type of tumors.
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  • 95
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    Annals of oncology 10 (1999), S. 139-146 
    ISSN: 1569-8041
    Keywords: anthracycline ; breast cancer ; chemotherapy ; HER-2 antibody ; N,N-diethyl-2[4-(phenylmethyl)-phenoxy] ethanamine.HCl (DPPE, BMS-217380-01) ; paclitaxel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Anthracyclines and taxanes are the two most active classes of chemotherapy for the treatment of advanced breast cancer. Recent studies have investigated combination therapy including doxorubicin (Dox) and paclitaxel. The efficacy of this combination has been established in a phase III study conducted by ECOG, comparing Dox/paclitaxel versus Dox versus paclitaxel. The combination is superior to Dox or paclitaxel with respect to response rate and time to disease progression, indicating that the combination provides a new standard for the first line treatment of metastatic breast cancer [1]. Phase II studies using higher doses of Dox and using shorter infusions of paclitaxel have suggested the combination can be further optimised; Gianni reported a 94% objective response rate using Dox 60 mg/m2 followed by paclitaxel 175 mg/m2 given over three hours [2]. The more active regimens are associated with enhanced cardiotoxicity; this toxicity can be avoided, however, by limiting the exposure to doxorubicin. The newer regimens have now been moved into phase III studies. Future progress for this disease will depend on the introduction of new agents. Two novel drugs are currently being investigated in randomised phase III trials as potentiators of Dox and/or paclitaxel. One is a monoclonal antibody from Genentech (Herceptin, trastuzumab) directed at the HER-2/neu oncogene, which is overexpressed in 〉25% of breast cancers [3]. Recent results indicate that Herceptin in combination with paclitaxel (or with a Dox plus cyclophosphamide regimen) induces a higher response rate (RR) and prolongs the time to disease progression when compared to chemotherapy alone. The second agent N,N-diethyl-2[4-(phenylmethyl)-phenoxyl] ethanamine.HCl (DPPE, BMS-217380-01), when combined with Dox, was associated with a higher RR than previously observed with Dox alone [4]. A randomised trial of Dox versus Dox plus DPPE is ongoing. The possible mechanisms underlying chemo-potentiation by these agents are discussed. As new anthracycline/taxane combinations establish themselves in earlier stages of the disease, the need for effective, non-cross resistant salvage regimens will emerge.
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  • 96
    ISSN: 1569-8041
    Keywords: chemotherapy ; cisplatin ; long-term toxicity ; testicular cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The prognosis of advanced testicular cancer has improved considerably after the introduction of cisplatin-based combination chemotherapy. The improved prognosis of testicular cancer has brought the long-term toxicity of the treatment into focus. Patients and methods: Long-term toxicity was investigated prospectively intil more than 10 years after after treatment in a group of 22 patients treated with six series of cisplatin based chemotherapy (PVB) for testicular cancer. We have focused on nephro-, neuro-, pulmonary-, and gonadal toxicity. Results: Glomerular filtration rate (GFR) decreased significantly during treatment but increased during follow-up and all the patients had normal values of GFR 10–15 years after treatment. Carbon monoxide diffusion capacity (TLco) decreased during PVB treatment in smokers. TLco remained unchanged during the first years after PVB treatment, but improvement of TLco was seen in some patients more than 43 months after treatment. Paresthesia was reported by 83% of the patients immidiately after treatment, 50% at follow-up 4–9 years after chemotherapy and 14% prevalence 11–15 hears after treatment. The reported decline in neurotoxicity was verified by normalisation of vibration perception. Gonadal toxicity was severe and persistent although improvement was seen in a few patients even many years after treatment. Conclusions: The patients treated with PVB were physically and socially well-being at follow-up investigation 11–15 years after treatment. Improvements in pulmonary- and renal function, and recovery from neurotoxicity was seen during the long-term follow-up periode. Gonadal toxicity was severe and persistent.
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  • 97
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    Annals of oncology 10 (1999), S. 157-161 
    ISSN: 1569-8041
    Keywords: chemotherapy ; 5-fluorouracil ; gemcitabine ; pancreatic cancer ; pancreaticobiliary cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract At time of presentation the majority of patients with pancreaticobiliary cancer have locally advanced or metastatic disease which makes them unamenable for curative surgery. In these patients chemotherapy is an option which has gained more support over the past few years. Special problems faced in chemotherapeutic treatment are the patient's poor condition and the difficulties faced in evaluating response. 5-FU has been the only drug with some efficacy for a long time, but more recently gemcitabine appeared to be more efficient. In locally advanced pancreatic cancer the combination of chemotherapy with radiotherapy has not gained much support. However, studies are implicating better local control with combined treatment and recurrences appear more often at distant sides. In some cases irresectable tumors became resectable. Because of the poor survival after surgery with curative intent, adjuvant and neoadjuvant therapy are becoming important issues. Although studies of adjuvant therapy suggest benefit, research is seriously hampered by poor patient accrual due to the morbidity of pancreaticoduodenectomy. Neoadjuvant treatment may overcome this problem. Until now there has been only modest improvement in the treatment of pancreatic cancer. Hopefully, new treatment modalities such as immunotherapy, gene therapy and antiangiogenic therapy will alter this dismal picture. In biliary cancer the role of chemotherapy is less well defined, since only few studies with low patients numbers have been performed.
    Type of Medium: Electronic Resource
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  • 98
    Electronic Resource
    Electronic Resource
    Springer
    Annals of oncology 10 (1999), S. 234-238 
    ISSN: 1569-8041
    Keywords: chemotherapy ; 5-fluorouracil ; gemcitabine ; pancreatic carcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The current role of chemotherapy in pancreatic cancer is limited. Chemotherapy usually consists of 5-fluorouracil (5FU) and gemcitabine either as a single agent or in combinations. However, response rates are below 15% with minor effects on overall survival. Due to the aggressive behavior of the disease, current emphasis of new experimental chemotherapy is also focusing on clinical benefit: improvement of pain, performance status or weight. The results with gemcitabine indicated that evaluation of new chemotherapeutic agents in pancreatic cancer should not be limited to the evaluation of response rates; single agent gemcitabine not only showed higher response rates than 5FU, but also resulted in clinical benefit for the patients. Several new agents have been introduced into the clinic for treatment of various gastro-intestinal malignancies, whereas novel agents with different types of targets, such as marimastat deserve further attention. Several oral formulations of 5FU, such as capecitabine, UFT, and eniluracil with 5FU, aim to simulate long-term continuous infusion. Response rates of these formulations are comparable to those of 5FU continuous infusion and 5FU bolus injections. However, the convenience of oral administration with reliable plasma drug concentrations makes these agents very attractive as a replacement of traditional 5FU administration. Since 5FU acts by inhibition of thymidylate synthase (TS), resulting in inhibition of DNA synthesis, several new antifolates, directed towards TS, have been developed. However, these agents, such as ZD1694 (Tomudex, Raltitrexed) and LY231514 (MTA, multitargetted antifolate) showed only limited efficacy. Other new agents active in colorectal cancer, e.g. the topoisomerase I inhibitors topotecan and CPT-11, showed only minor activity. The same was observed for the taxanes. Combinations of gemcitabine (cisplatin, 5FU, epirubicin, marimastat) show promising activities, not only regarding response but also with respect to clinical benefit. The effects were better than that for each agent separately. Thus, despite limited activity of single agents, novel combinations especially with gemcitabine are promising, with emphasis on improvement of the clinical benefit of patients.
    Type of Medium: Electronic Resource
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  • 99
    Electronic Resource
    Electronic Resource
    Springer
    Annals of oncology 10 (1999), S. 77-82 
    ISSN: 1569-8041
    Keywords: chemotherapy ; non-small cell lung cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Until recently the role of chemotherapy in NSCLC has generally been questioned. Major concerns included marginal activity, considerable toxicity and high cost of this treatment. There has, however, been increasing evidence from individual studies and meta-analyses that chemotherapy in advanced NSCLC is able to increase survival and improve quality of life. In the past few years a series of active drugs (paclitaxel, docetaxel, gemcitabine, vinorelbine, topotecan and irinotecan) with novel mechanisms of action and favourable toxicity profiles have been developed. These agents appear to hold the promise of added therapeutic benefit. In consequence, chemotherapy has currently been considered an important part of the standard treatment in selected patients with advanced NSCLC. Despite recent developments, treatment outcomes in advanced NSCLC remain far from satisfactory, and new effective means are desperately needed if more patients are to enjoy the prospects of long-term survival.
    Type of Medium: Electronic Resource
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  • 100
    ISSN: 1569-8041
    Keywords: chemotherapy ; osteosarcoma ; relative dose intensity ; survival ; tumour response
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Despite advances in the treatment of primary limb osteosarcoma, the outcome of patients with primary metastatic and axial skeletal disease remains poor. The European Osteosarcoma Intergroup have assessed a combination chemotherapy regimen consisting of ifosfamide (IFOS) 3 g/m2/d1–2, doxorubicin (DOX) 25 mg/m2/d1–3 i.v. bolus and cisplatin (CDDP) 100 mg/m2/d1. Patients and methods: One hundred nine previously untreated patients with primary osteosarcoma were registered. Eligibility was confirmed in 103. At presentation, 45 eligible patients had metastatic disease, 15 axial skeletal primary tumours and 43 non-metastatic limb tumours. Results: The major toxicities were myelosuppression (90%, grade 3 or 4) and nausea and vomiting (74%, grade 3 or 4). Overall mean relative dose intensity (RDI) was 80% (88% CDDP, 75% IFOS, 81% DOX). Clinical response as measured by reduction in tumour volume occurred in 36% (95% confidence interval (95% CI): 27%–47%) of primary tumours. Response of pulmonary metastases to chemotherapy was seen in 33% (95% CI: 19%–49%). Good histological response (≥90% necrosis of the tumour) occurred in 33% (95% CI: 22%–45%) of resected tumours. Five-year survival was 62% in limb-non-metastatic, 41% in axial skeletal and 16% in limb metastatic patients. Conclusions: This regimen is active in osteosarcoma but does not appear to be more active than the two-drug CDDP–DOX regimen currently recommended by EOI.
    Type of Medium: Electronic Resource
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