Pharmacokinetic analysis of a case of isopropanol intoxication.

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Abstract
A comatose 46-year-old woman, admitted to the emergency room, had isopropanol and acetone concentrations of 2000 and 120 mg/L, respectively, in her serum. She had no known history of acute isopropanol intoxication and was otherwise physically healthy. Pharmacokinetic analysis showed that the elimination of both isopropanol and its major metabolite acetone obeyed apparent first-order kinetics with half-lives of 6.4 and 22.4 h, respectively. These data contrast with the commonly held view that isopropanol is slowly metabolized. Concentrations of these analytes in cerebrospinal fluid 6 h after admission were similar to those in serum. This is the first report of the pharmacokinetics of both agents in a nonalcoholic person, and it gives the first data on concentrations of these substances in cerebrospinal fluid.

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