variability in the susceptibility pattern of bacteroides fragilis in four detroit area hospitals.recent clinical isolates of bacteroides fragilis selected at random from four detroit area hospitals were collected over a 3-month period, and the minimum inhibitory concentrations were determined within several days. the levels of antimicrobial agents used in this survey breached the concentration attainable in the patient's serum. the antimicrobial susceptibility patterns of these isolates to five antimicrobial agents suggest that there is a 20% variation in the resistance to clindamycin and a ...1979526009
in-hospital anaerobic susceptibility testing: an aid to formulary decision this study, the susceptibility of 116 recent anaerobic isolates, including the bacteroides fragilis group (n = 22), bacteroides spp (n = 65), gram-positive cocci (n = 13), clostridium spp (n = 10), and fusobacterium spp (n = 6) were tested by agar dilution against a variety of agents suggested for prophylaxis or therapy. these agents included ampicillin sodium and sulbactam sodium, cefotaxime, cefoxitin, ceftizoxime, clindamycin, imipenem-cilastatin, metronidazole, and ticarcillin and clavula ...199010105471
anaerobic bacteremia in the elderly.anaerobic bacteremia occurred in 68 patients over the age of 60 in a university hospital. these elderly patients were more likely than younger patients to have an underlying malignancy. anaerobes involved included bacteroides fragilis group (64 isolates), bacteroides melaninogenicus group (11) and clostridium species (11). polymicrobial bacteremia was common, occurring in 32.3% of patients. mortality in patients who had surgery to remove the source of anaerobes was 43.3%, compared to 81.7% in pa ...19892792780
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