七氟醚麻醉对体外循环下心脏手术患者心肌保护作用的meta分析

目的:系统评价(system review,SR)体外循环(cardiopulmonary bypass,CPB)下七氟醚(sevoflurane)麻醉对心脏手术患者的心肌保护作用,为心脏手术临床麻醉决策提供循证医学依据.方法:检索截至2008年10月Medline、CNKI、中国生物医学文献数据库等中CPB下七氟醚麻醉对心脏手术患者心肌保护作用的随机对照研究(random control trail,RCT)的相关公开发表文献,并辅以手工检索,对检索文献进行质量评价及筛选,采用RevMan4.2软件对最终纳入文献的研究结果进行meta分析.结果:根据文献纳入及排除标准,共有14篇RCT文献纳入本研究,包括七氟醚麻醉616例、全凭静脉麻醉(total intravenous anesthesia,TIVA)610例.Meta分析结果表明:(1)与全凭静脉麻醉相比,七氟醚麻醉可有效增加术后心脏指数(WMD=0.20,95%CI 0.08～0.32;P<0.01)和心排量(WMD=0.79,95%CI 0.59～0.99;P<0.01);(2)七氟醚麻醉术后24 h心肌肌钙蛋白I(cTnI)较全凭静脉麻醉明显降低(WMD=0.20,95%CI 0.08～0.32;P<0.01);(3)与全凭静脉麻醉相比,七氟醚麻醉可有效减少术后机械通气时间(WMD=-0.68,95%CI -1.19～-0.17;P<0.01)和术后ICU留观时间(WMD=-15.83,95%CI -30.89～-0.78;P<0.01),但术后住院时间两者间无统计学差异;(4)七氟醚麻醉可有效降低术后正性肌力药物使用率(RR=0.57,95%CI 0.42～0.76;P<0.01),但术后房颤发生率、心肌梗死率及病死率与全凭静脉麻醉组无统计学差异.结论:CPB下心脏手术中采用七氟醚麻醉具有一定的心肌保护作用.

Cardioprotective effect of sevoflurane in patients undergoing heart surgery under cardiopulmonary bypass:a meta-analysis

Objective:To systematically review the cardioprotective of sevoflurane in patients undergoing heart surgery under cardiopulmonary bypass,so as to provide evidence for anesthesia decision of cardiac surgery.Methods:Trials about the cardioprotective effect of sevoflurane under CPB were collected through electronic search of Medline,CNKI,and CMBdisk (from the date of database establishment to October 2008); manual search was also conducted.Based on the inclusion and exclusion criteria,fourteen randomized-contr...