Abstract
Perhexiline maleate at a dose of 400 mg three times daily for 2 days administered to normal dogs altered the relative regional transmural resistance so that during reduced coronary flow the endocardium:epicardium (endo:epi) ratio is increased. In the presence of acute myocardial infarction heart rate was significantly lower and the endo:epi ratio of perfused areas was increased when coronary flow was normal. A linear relationship was observed between the endo:epi ratio and the concentration of perhexiline in plasma, and its monohydroxyl metabolite in plasma. The results suggest that the mechanism of action of the drug is due to redistribution of a limited coronary flow.
Published Version
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