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From the Department of Obstetrics and Gynecology at The University of Texas Health Science Center, San Antonio, Texas.
Abstract
A prospective clinical and microbiologic study was carried out on 413 indigent patients undergoing cesarean section. Operative site infection developed in 160 (38.5%). Initial treatment with penicillin and kanamycin was successful in 125 of these 160 infections (78%). Thirty-five patients (22%) failed to respond to penicillin and kanamycin and were treated with clindamycin or chloramphenicol. Twenty-eight of the 35 responded promptly to the additional antibiotic therapy. The remaining 7 patients (4%) had either abscesses, hematomas, or presumed septic pelvic thrombophlebitis. Among patients with anaerobic cultures, B fragilis was isolated with 12% with a good response to penicillinkanamycin, but from 53% with a poor response to penicillinkanamycin and with a good response to clindamycin or chloramphenicol. Similar critical evaluations of other antibiotic regimens are needed.
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