岭南急诊医学杂志2023年2月第28卷第1期作者单位:中山大学孙逸仙纪念医院急诊科(510120)*通信作者红景天甙对心肺复苏后大鼠心功能的保护作用梁炼余涛谭云科郑光辉王鹏杨正飞*摘要目的:探讨红景天甙在心肺复苏后心功能不全中的保护作用。方法:18只健康SD大鼠(450~550g)在完成手术后,被随机分为三个组:假手术组、心脏骤停对照组、红景天甙组(40mg/kg)。除假手术组外,大鼠心脏骤停模型通过右颈外静脉置管的导丝电诱颤实现。ROSC后6h,持续监测患者血流动力学(HR、MAP、ETCO2)。在ROSC0、ROSC1、3、6h测量心功能:大鼠射血分数(EF)、心输出量(CO)、心肌活动指数(MPI),舌下微循环:微血管流动指数(MFI)和灌注微血管密度(PVD)。结果:红景天甙可改善大鼠ROSC后1、2、3h的MAP,但在其他时间段对MAP并无显著的影响。红景天甙组对复苏后大鼠的HR和ETCO2无显著影响。同时,红景天甙可显著提高心脏骤停后鼠EF和CO,降低MPI。红景天甙可显著提高复苏后MFI和PVD。结论:红景天甙通过改善复苏后“无复流现象”,减轻心肺复苏后心功能不全。关键词红景天甙,复苏后心功能不全,无复流现象DOI:10.3969/j.issn.1671⁃301X.2023.01.001ProtectiveEffectofSalidrosideonPost⁃resuscitatedMyocardialFunctionLIANGLian,YUTao,TANYun⁃ke,ZHENGGuang⁃hui,WANGPeng,YANGZheng⁃fei*DepartmentofEmergencyMedicine,SunYa⁃senMemorialHospitalofSunYa⁃senUniversity,Guangzhou,510120*CorrespondingauthorAbstractObjective:ToinvestigatetheprotectiveeffectofSalidrosideonpost⁃resuscitatedmyocardialdysfunc⁃tion.Methods:18Sprague⁃Dawleyratsweighingbetween450-550gwererandomizedinto3groups:Sham,CardiacArrestgroup,Salidrosidegroup(40mg/kg).VFwasinducedthroughaguidewireadvancedfromtherightjugularveinintotherightventricle.Hemodynamicsparameters(HR,MAP,ETCO2)werecontinuouslyrecordedduringROSC6h,andechocardiography(ejectionfraction,EF;cardiacoutput,CO;andmyocardialperformanceindex,MPI)andsublin⁃gualmicrocirculation(microvascularflowindex,MFI;perfusedmicrovesseldensity,PVD)weremeasuredatROSC0,1,3,6h.Results:Salidrosidesignificantlyincreasedpost⁃arrestratMAPatROSC1,2,3h,thereaftertherewerenosig⁃nificantdifferencesamongthethreegroup.Nos...