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依达拉奉对体外循环下二尖瓣置换手术患者肺损伤的影响 被引量:2

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摘要 目的:探讨依达拉奉对体外循环(CPB)下二尖瓣置换手术患者肺损伤的影响。方法40例拟行二尖瓣置换手术的风湿性心脏病患者分为依达拉奉组(E组,n=20)和对照组(C组,n=20),E组于切皮后即刻静脉注射依达拉奉0.5mg/kg,C组给予等容量生理盐水。分别于切皮前即刻(T0)、CPB30min(T1)、停机时(T2)、术毕(T3)、术后12h(T4)采集桡动脉血样,测定血浆肿瘤坏死因子(TNF‐α)、丙二醛(MDA)浓度、超氧化物歧化酶(SOD)活性,并进行血气分析,计算呼吸指数(RI)和肺顺应性(CL)。结果与T0时点比较,两组血浆TNF‐α、MDA浓度和SOD活性在T1~T4时点显著增加,RI增高,CL降低(P<0.05或P<0.01);与C组比较,E组血浆TNF‐α、MDA和RI降低,SOD活性升高,CL增加(P<0.05或P<0.01)。结论依达拉奉可减轻CPB二尖瓣置换手术患者肺损伤,其机制与抑制氧化应激反应和炎性反应有关。
出处 《重庆医学》 CAS 北大核心 2015年第2期262-264,共3页 Chongqing medicine
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