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1、倍他兀克注射液治疗急性心肌梗死疗效观察【摘要】目的探讨静脉注射倍他乐克治疗急性心肌梗死的有效性及安全性。方法33例急性心肌梗死患者,排除严重低血压、严重心动过缓、III度房室传导阻滞及心源性休克悄况,予3支倍他乐克针剂缓慢静脉注射,每支5mg,共15mg,间隔5min,观察心率、血压、心功能、ST段抬值总和、胸痛程度及1周内恶性心律失常、猝死、再发心肌梗死等情况。结果静脉注射倍他乐克后,患者血压、心率及收缩压与心率乘积(SBPIIR)、胸痛积分均明显下降,而心梗相关导联ST段抬高值的总和(刀ST)也有明显下降,心功能无明显下降,1周内未发生不断改进性
2、心律失常、猝死、再发心肌梗死。结论早期静脉注射倍他乐克可有效预防急性心肌梗死患者发生心力衰竭和预防猝死、再发心肌梗死。【关键词】借他乐克;急性心肌梗死;治疗MetoprololinjectioninthetreatmentofacutemyocardialinfarctionZHAXGMing,LUOShi-tang,ZHENGXiaoTing.Departmentofcardiovascularinlcrnalmedicine,TheAffiliatedHospitalofGuangdongMedicalCollegeThird,Guangdong
3、,525000,China【Abstract]ObjectiveTostudytheeffectsofintravenousmetoprololfortreatmentofacutemyocardialinfarctioninsafetyandefficacy.Methods33casesofpat.ientswithacutemyocardialinfarction,theexclusionofseverehypotension,severeheartbeatbradycardia,atrioventricularblockandcardiogen
4、icshock,tothe3timesheleginjectionslowintravenousinjection,eachbranchof5mg,15mg,5mininterval,heartrate,bloodpressure,heartfimction,valueofthesumofSTsegmentcarriedwithin1weeks,chestpainandmalignantarrhythmia,suddencardiacdeath,recurrentmyocardialinfarction;Resultsintravenousmetop
5、rololg,bloodpressure,heartrateandsystolicbloodpressureandheartrate(SBPHRproduct),chestpainscoredecreasedsignificantly,whileSTsegmentelevationmyocardialinfarctionrelatedtothesumofthevalues(andST)alsodecreasedsignificantly,cardiacfunctionwithoutobviousdecline,1weekswithoutimprove
6、mentofarrhythmias,sudclcndeath,recurrentmyocardialinfarction;ConclusionEarlyiniravenousmetoprololforGcanbeeffectiveinprovenlingacutemyocardialinfarctionoccurringinpatientswithheartfailureandpreventionofsuddendeath,recurrentmyocardialinfarction.【Keywords]Metoprolol;Acutemyocardi
7、alinfarction;Treatment急性心肌梗死(Acutemyocardialinfarction,AMI)早期使用倍他乐克可明显缩小心肌梗死血积、减少病死率和心脏猝死率,改善远期和近期预后。因此,倍他斥克已在急性心肌梗死的治疗屮被广泛应用。但是国内蒋立新等人在全国两T多家医院的调杳却显示,在心肌梗死急性期,B受体阻滞剂的使用率仅为43%[1]。再者,恶性心律失常等也最常发生在起病的最初数小时Z内,P受体阻滞剂在急性心肌梗死发挥最佳作用时间窗为起病4h之内[2]。倍他乐克注射剂可在短时间内起效,因此在治疗急性心肌梗死方面M该有较好的疗效。我
8、们于2005年1月至2005年12月收治AMI患者52例,其屮33例采用静脉注射倍他兀克治疗,现分析报告如下