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  • 1990-1994  (3)
  • 1990  (3)
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  • 1990-1994  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 17 (1990), S. 0 
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. The effects of chronic oral administration of inhibitors of angiotensin converting enzyme (ACE) on the vascular renin–angiotensin system were studied.2. Male Sprague-Dawley rats were treated orally with five ACE inhibitors, captopril, enalapril, ramipril, cilazapril and CS-622 (10 mg/kg per day), for periods of 1–2 weeks. Their mesenteric arteries were then isolated and perfused in vitro with Krebs'-Ringer solution, and the angiotensin II (AII) released into the perfusate was measured under unstimulated and isoproterenol-stimulated conditions. The vascular renin activity was also determined after treatments with ACE inhibitors.3. Treatment with captopril for 1 week suppressed the isoproterenol-stimulated increase in All release, but had little effect on the baseline release. Oral treatment with captopril for 2 weeks or with other ACE inhibitors for 1 week markedly inhibited both the unstimulated and stimulated release of AII from the mesenteric vasculature.4. Both the vascular renin activity and the plasma renin activity increased on captopril treatment, but their changes with time were different.5. These results indicate that virtually complete inhibition of the vascular renin–angiotensin system can be achieved after prolonged treatment with ACE inhibitors, and suggest that the chronic antihypertensive action of ACE inhibitors is not solely due to inhibition of the plasma renin–angiotensin system.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1530-0358
    Keywords: Graft-vs.-host disease ; Colitis ; Colonoscopy ; Chronic myelogenous leukemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Endoscopic appearance of the gastrointestinal tract of a patient with severe hemorrhagic enteric graft-vs.-host disease (GVHD) is presented. A 29-year-old man with chronic myelogenous leukemia suffered from severe enteric GVHD after allogeneic bone marrow transplantation. Endoscopy showed hemorrhagic ulceration of the upper jejunum, terminal ileum, and colon at the onset of melena. Sections of biopsies were compatible with acute GVHD. Repeat endoscopy showed gradual healing of the lesions after steroid pulse and antilymphocyte globulin therapy, but the patient died of cytomegalovirus pneumonitis 14 months later. Autopsy revealed submucosal fibrosis of the small intestine and colon.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A total of 42 evaluable patients with previously untreated advanced non-small-cell lung cancer were treated with a combination of cisplatin (80 mg/m2, day 1), vinblastine (5 mg/m2, days 1 and 15), and ifosfamide (1.2 g/m2, days 1–3). In all, 1 complete response and 15 partial responses were obtained, for an overall response rate of 38% (95% confidence limits, 23.6%–54.4%). The median duration of response was 15 weeks, and the median overall survival was 56 weeks. Toxicity mainly consisted of moderate to severe alopecia in 28 patients (67%), moderate to severe nausea and vomiting in 27 subjects (64%), and leukopenia comprising 〈1,000 leukocytes/mm3 in 6 cases (14%). In all, 16 patients (38%) had microscopic hematuria (WHO grade 1), but no hemorrhagic cystitis was documented. Although this three-drug combination appears to have moderate antitumor activity against nonsmall-cell lung cancer, the addition of ifosfamide to the combination of cisplatin and vinblastine did not seem to improve the response rate.
    Type of Medium: Electronic Resource
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