Add time:09/06/2019         Source:sciencedirect.com

Protective effects of acute oral or intravenous doses of Furnidipine (cas 138661-03-7) against ischemia and re-perfusion-induced arrhythmias and creatine kinase release were studied in a rat model for cardiac ischemia and re-perfusion. Transient cardiac ischemia was induced by occluding the left coronary descending artery of anaesthetized rats for 7 min, and re-perfusion period studied was 15 min. Pre-treatment period for oral doses (1, 5 or 10 mg/kg) was 1 h, whereas that for the intravenous ones (1.25, 2.5, 5 or 10 μg/kg) was 10 min. After both routes of administration, significant protective effects of furnidipine on creatine kinase release were observed after the two lowest doses only. In contrast, its higher dosages were more effective in preventing re-perfusion-induced mortality, arrhythmias and hypotensive episodes, and for transiently lowering arterial blood pressure before initiation of ischemia. These observations suggest potential uses of furnidipine for preventing re-perfusion triggered lethal arrhythmias. Efforts to evaluate therapeutic potential of low dose furnidipine as a cardio-protective agent seem warrantable.

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