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  • Title: Efficacy and distribution of single-dose preoperative antibiotic prophylaxis in high-risk gastroduodenal surgery.
    Author: Lewis RT, Goodall RG, Marien B, Park M, Lloyd-Smith W, Wiegand FM.
    Journal: Can J Surg; 1991 Apr; 34(2):117-22. PubMed ID: 2025800.
    Abstract:
    Although a single preoperative dose of antibiotic is now the accepted means of preventing postoperative surgical infection, the method has not been investigated adequately. In patients at high risk of infection who underwent gastroduodenal operations, the authors compared single-dose prophylaxis by intravenous cefotaxime (26 patients) with short-course perioperative prophylaxis (27 patients). No wound infection occurred, but in one patient in each group a subphrenic abscess developed after leakage at the anastomosis. The half-life of cefotaxime (1.23 +/- 0.12 hours) and its apparent volume of distribution (16.7 +/- 2.6 L/1.73 m2 resulted in perioperative levels of the antibiotic in blood (34.76 +/- 4.21 micrograms/mL), gastric mucosa (32.04 +/- 5.22 micrograms/mL) and subcutaneous fat (24.98 +/- 5.89 micrograms/mL) more than twice the usual minimal inhibitory concentration of the drug for organisms grown from the stomach contents and wound fat. These clinical and pharmacologic findings validate the efficacy of a single preoperative intravenous dose of the antibiotic in preventing postoperative infection in high-risk patients who undergo gastroduodenal surgery.
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