Biomedical subjects
Publications and source records attributed to E L Westerman.
A double-blind study with volunteers was performed to determine the incidence and severity of thrombophlebitis associated with cephalothin, cephapirin, cefamandole, and a water control. Although there were no statistical differences in the incidence of thrombophlebitis, cephalothin resulted in significantly more severe thrombophlebitis compared with the other agents.
Josamycin, a new macrolide antibiotic, was compared with ampicillin, erythromycin, and clindamycin in vitro against 25 isolates each of pneumococci, enterococci, Staphylococcus aureus, S. epidermidis, and nonenterococcal hemolytic streptococci and against 25 anaerobes including 10 Bacteroides fragilis. Minimal inhibitory concentration and minimal bactericidal concentration data were obtained for the aerobic organisms, using serial twofold tube dilutions in Mueller-Hinton broth. Minimal inhibitory concentrations were determined for the anaerobes by the agar dilution technique. Josamycin was comparable to erythromycin and clindamycin in activity against the pneumococci, streptococci, and staphylococci and was more active than clindamycin against enterococci. It was somewhat less active than ampicillin against enterococci and S. epidermidis and showed its greatest in vitro activity against anaerobes, being comparable to clindamycin.
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Eleven patients with serious infections involving anaerobic bacteria were treated with carbenicillin (four patients) or ticarcillin (seven patients). All patients were cured clinically and bacteriologically of their infections. An in vitro study testing 157 recently isolated anaerobic organisms against 11 antibiotics showed chloramphenicol, carbenicillin, and ticarcillin at blood level concentrations to be inhibitory to more anaerobic strains than the other eight antibiotics tested. Ticarcillin and carbenicillin appear to be safe and effective and deserve further consideration for use in the therapy of anaerobic infections.