Abstract
Objective.To investigates the effects of sufentanil post conditioning on Myocardial ischemia reperfusion injury in rats in vivo.Methods.To randomly divide 40 male SD rats equally into 4 groups, including Sham group, ischemia-reperfusion group (Group I/R ), ischemic post conditioning group (Group IPO) and sufentanil post conditioning group (Group SUF). The left anterior descending coronary arterys (LAD) of rats in 4 groups are ligated for 30 minutes and are re-perfused for 120 mins. To measure the myocardial infarction size (IS/AAR%) with double-staining with Even's blue and triphenyltetrazolium chloride, to calculate the concentration of cTnI, and to observe the HE staining and the expression of Bcl-2 and Bax.Result. Comparing with Group 1/R, the myocardial infarction size (IS/AAR%), and the concentration of cTnI in Group IPO and SUF all reduced significantly. Comparing with Group 1/R, cell morphological observation shows less change in pathology. And the expression of Bcl-2 increases and expression of Bax decreases in Group IPO and SUF than that in Group 1/R.Conclusion. Sufentanil post conditioning has protective effects on myocardial ischemia-reperfusion injury in rats in vivo.
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