Concentrations of cefmetazole in plasma and tissue resulting from peri-incisional administration before appendectomy

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Abstract
The levels of cefmetazole in plasma and tissue were determined after injection of a dose of 30 mg/kg into the zone of the wound of each of 15 patients undergoing appendectomy. The mean plasma levels of cefmetazole at the start and end of surgery (8.9 +/- 2.4 and 31.7 +/- 6.4 min after dosage) were 21.1 and 59.0 micrograms/ml, respectively; concentrations of the drug were 14.6 and 4,486.9 micrograms/g in skin, 9,165.0 and 1,756.4 micrograms/g in subcutaneous tissue, and 8,669.6 and 2,022.9 micrograms/g in muscle.

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