Abstract
In a prospective randomized double-blind study of 141 patients referred for reconstructive vascular surgery on the abdominal aorta and the lower extremities, placebo was compared to antibiotic prophylaxis. The prophylaxis group received three doses of a combination of methicillin, 2 g and netilmicin, 200 mg. Antibiotic prophylaxis reduced postoperative wound infections as compared to placebo, i.e. 4/69 (5.8%) vs. 12/72, (16.7%) respectively (P = 0.04). No graft infections occurred. Two cases of postoperative septicaemia were seen in the placebo group, none in the antibiotic group. Among different procedures aortic-femoral bypass operations showed the highest wound infection rates. The two treatment groups were comparable with regard to all other postoperative complications registered, including nephro- and ototoxicity. The antibiotic regimen was considered safe, but had only marginal value as prophylaxis in vascular reconstructive surgery on the abdominal aorta and the lower extremities.
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