PMID: 18419958Apr 19, 2008Paper

Protective effect of intralipid on myocardial ischemia/reperfusion injury in isolated rat heart

Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue
Shan-ling LiuJin Liu

Abstract

To investigate whether intralipid could protect perfused hearts of rats against ischemia/reperfusion (I/R) injury when it was administered before (preconditioning) or after the adverse ischemic event (postconditioning), in order to ascertain if intralipid would be a novel therapeutic strategy for myocardial I/R injury. Studies were conducted in Langendorff-perfused isolated rat hearts. Twenty-four male Sprague-Dawley (SD) rats were divided into 3 groups randomly. The experimental procedure consisted of balance perfusion for 50 minutes, warm global ischemia (37 centigrade) for 40 minutes and 120 minutes of reperfusion. Preconditioning of hearts in myocardial preconditioning (I-preC group) consisted of 15 minutes of intralipid followed by 15 minutes of wash out before ischemia for 40 minutes and reperfusion for 120 minutes. In myocardial postconditioning (I-postC group) rat hearts were perfused with intralipid for 15 minutes at the onset of reperfusion. Hearts without intralipid treatment served as ischemic control (ISCH) group. Left ventricular mechanical function [heart rate (HR), left ventricular end-diastolic pressure (LVEDP), left ventricular diastolic pressure (LVDP), maximal change rate of intraventricular pressure rise/do...Continue Reading

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