Role of Fructose as a Potent Antiarrhythmic and Anti-infarct agent in Isolated Rat Heart

Document Type: Research article

Authors

1 School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran

2 Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran

Abstract

In the current study, effects of acute short term administration of fructose on cardiac arrhythmias and myocardial infarction size following ischemia/reperfusion were investigated in isolated rat heart. The hearts were subjected to 30 min zero flow global ischemia followed by 120 min reperfusion. In the control group, the hearts were perfused by normal drug free Krebs-Henseleit (K/H) solution throughout the experiments, while in the treated groups (2-4), they were perfused with fructose containing K/H solution at 12, 24 and 48 mM concentrations during stabilization and reperfusion time, respectively. Cardiac arrhythmias were determined based on the Lambeth conventions and the infarct size was measured by computerized planimetry. Myocardial infarction size was 22±3% in the control group, however administration of fructose (12, 24 and 48 mM) reduced it to 15±3 (P

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