燈盞花素對心肺轉(zhuǎn)流瓣膜置換術(shù)患者心肌缺血-再灌注損傷的影響
[Abstract]:Objective Cardiopulmonary bypass (cardiopulmonary bypass,CPB) valve replacement can induce myocardial ischemia reperfusion injury and affect cardiac function recovery. The purpose of this study was to investigate the effect of breviscapine infusion before cardiopulmonary bypass (CPB) on myocardial ischemia-reperfusion injury in patients undergoing CPB valve replacement. Methods 40 patients underwent CPB valve replacement under general anesthesia from May 2013 to July 2014 in the first affiliated Hospital of Hebei North University. Patients were randomly divided into control group and breviscapine group with 20 cases in each group. After anesthesia induction was completed, the control group and breviscapine group were infused intravenously with 15 mL isoosmotic saline and 0.75 mg/kg breviscapine for 30 min respectively. Jugular vein blood was collected at 5 time points (T _ 0), 30 min (T _ 1) ~ 6 h (T _ 2) and 12 h (T _ 3) and 24 h (T _ 4), respectively. The serum levels of cardiac troponin I (cardiac troponin-I,c Tn I), creatine kinase isoenzyme (creatine kinase isoenzyme,CK-MB) and superoxide dismutase (superoxide dismutase,SOD) were measured. Results the concentrations of c Tn I and CK-MB increased significantly at 30 min after aorta opening in both groups (P0.05), and reached the peak at T2, while the activity of SOD decreased significantly (P0.05). Compared with the control group, the concentration of c Tn I and CK-MB in breviscapine group was significantly lower than that in control group (P0.05). Conclusion Breviscapine infusion before cardiopulmonary bypass can attenuate myocardial ischemia-reperfusion injury in patients undergoing valve replacement under CPB, and its mechanism may be related to antioxidant stress.
【作者單位】: 河北北方學(xué)院研究生學(xué)院;河北北方學(xué)院附屬第一醫(yī)院麻醉科;
【分類號】:R654.2
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