Abstract
The excretion of cefotetan, a 7α-methoxycephalosporin, was studied in 27 patients undergoing biliary surgery. Pharmacokinetic parameters were determined after a single intravenous bolus dose of 1 g (10 patients) or 2 g (17 patients). Rapidly excreted in bile, cefotetan concentrations were considerably higher in bile [range: 92–2,594 mg·l−1 (1 g); 35–4,610 mg·l−1 (2 g)] than in plasma despite the presence of gall stones. Bile bactericidal activities againstStaphylococcus aureus (MIC 8 mg·l−1) andBacteroides fragilis (MIC 2 mg·l−1) correlated well with gall bladder cefotetan levels [r = 0.888 (1 g);r = 0.971 (2 g)]. No cefotetan was detected in the bile of 3 patients with nonfunctioning gall bladders. One other patient with very low activity and these three aside, the inhibitory quotients (cefotetan concentration/MIC) were >4 for both doses against both bacteria.
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Cherrier, P., Perrin, P., Gueye, S. et al. Pharmacokinetics and clinical study of cefotetan in bile: Prophylactic use in biliary tract surgery. Pharm World Sci 15, 79–82 (1993). https://doi.org/10.1007/BF01874087
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DOI: https://doi.org/10.1007/BF01874087