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麻黄碱联合去氧肾上腺素预防剖宫产术中低血压效果观察 被引量:1

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摘要 目的:观察麻黄碱联合去氧肾上腺素预防剖宫产术中低血压的效果和安全性。方法:选择足月、单胎、需择期行腰麻-硬膜外联合麻醉产妇150例,随机分为观察组、对照1组和对照2组各50例。观察组采用麻黄碱4mg+去氧肾上腺素50μg、对照1组单用麻黄碱8mg、对照2组单用去氧肾上腺素100μg预防剖宫产术中低血压,3组均于麻醉成功后经静脉泵入。监测用药后2min、5min、10min 3组平均动脉压、心率、胎心率变化及不良反应发生情况。胎儿娩出即刻抽取产妇动脉血及新生儿脐周动脉血和脐静脉血进行血气分析。结果:(1)3组术中平均动脉压趋于稳定,与基础值比较均差异不显著(P>0.05)。用药后5min、10min,观察组和对照1组心率、胎心率,均显著高于基础值(P<0.05);对照2组心率显著低于基础值(P<0.05),胎心率与基础值比较差异不显著(P>0.05)。(2)3组除HCO-3外,血气分析各指标比较均差异显著(P<0.05)。观察组和对照2组脐动脉、脐静脉血的pH和碱剩余(BE),均显著高于对照1组(P<0.05);观察组脐动脉血的BE亦显著高于对照2组(P<0.05)。观察组脐动脉、脐静脉血的二氧化碳分压(PCO2)、乳酸水平均显著低于对照1组(P<0.05),氧分压(PO2)水平显著高于对照1组(P<0.05);观察组脐动脉、脐静脉血的乳酸水平均显著高于对照2组(P<0.05),脐动脉血的PO2水平亦显著高于对照2组(P<0.05)。(3)3组新生儿1min和5min Apgar评分比较,均差异不显著(P>0.05)。(4)观察组恶心、呕吐发生率显著高于对照2组(P<0.05),对照1组恶心、呕吐发生率非常显著高于对照2组(P<0.01)。结论:采用麻黄碱联合去氧肾上腺素预防剖宫产术中低血压,较单用麻黄碱或去氧肾上腺素效果好,且较安全。
出处 《人民军医》 2015年第3期293-296,共4页 People's Military Surgeon
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