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[目的]探讨比较麻黄碱和甲氧明在治疗剖宫产腰麻中出现低血压的临床疗效.[方法]对本院妇产科60例进行腰麻时出现低血压的剖宫产产妇的临床资料进行回顾性研究,60产妇按照处理方案不同分为A组(n=30),低血压时给予麻黄碱10mg静注;B组(n=30)低血压时给予甲氧明2mg静注.比较两组产妇血压(BP)和心率(HR)、新生儿 Apger评分,胎儿脐动脉血气数值等指标的变化及不良反应.[结果]两组产妇麻醉前和麻醉后15min内收缩压相比较差异无显著性(P>0.05),A组产妇麻醉后6 min心率显著高于B组产妇,且差异有显著性(P<0.05).A组产妇胎儿脐动脉血酸碱度(pH);血氧分压(PaO2);血二氧化碳分压(PaCO2)均低于B组产妇,且两组之间pH值相比较差异具有显著性(P0.05),A组心动过缓发生率高于B组,且差异有显著性(P0.05).TheheartrateofgroupA wassignifi-cantLyhigherthanthatofgroupBafter6 minutesofanesthesia (P<0.05).TheumbiLicaLarteriaLbLoodpH, PaO2andPaCO2ingroupA wereLowerthanthoseingroupB,andthedifferenceinpH vaLuebetweenthetwo groupswassignificant(P0.05).TheincidenceofbradycardiaingroupA wasmorethanthatingroupB (P<0.05).[ConcLusion]BothephedrineandmethoxaminecanincreasespinaLanesthesia-associatedhypotension undercesareansectionwithaccurateeffect.ThereisnoseriousadversereactioninthematernaL.HeartratecontroL bymethoxamineismorestabLeandcanbepromotedcLinicaLLy.