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择期剖宫产术中蛛网膜下隙麻醉所致的低血压:更好的解决方案

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摘要 为了母体的安全与舒适以及胎儿的健康,应该最大程度地降低剖宫产蛛网膜下隙麻醉期间出现的低血压。传统教科书认为,剖宫产蛛网膜下隙麻醉期间主动脉一腔静脉受压易使临产妇静脉回流减少,从而使心排血量与血压降低。然而,许多改善静脉回流的方法如一侧腰臀部抬高和诸多输液方案均不能消除这种低血压^[1]。最近集中研究动脉循环作为低血压原因的结果提示,体液充足的临产妇行择期剖宫产时,蛛网膜下隙麻醉后中度低血压(较基础血压下降20%)首先反映了全身血管阻力下降^[2-4]。
出处 《麻醉与镇痛》 2012年第2期56-58,共3页 Anesthesia & Analgesia
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