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不同的麻醉方法对老年患者大脑氧饱和度的影响 被引量:1

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摘要 目的比较三种常用的麻醉方法对老年患者术中大脑氧饱和度(rSO2)的影响。方法接受选择性经尿道前列腺切除手术的患者87例随机分为三组,分别接受全身吸入麻醉(GA组,n=30),椎管内麻醉(SA组,n=28)或SA与咪达唑仑镇静同时使用(SA+S组,n=29)。结果92.9%SA组和所有SA+S组(100%)的患者rSO2低于基础水平,而GA组为33.3%。SA+S组中(31.0%)rSO2比基础水平低50%以上的患者高于GA组(0%)或SA组(3.6%)。在手术过程中接受全身麻醉的患者比椎管内麻醉患者rSO2更高。除麻醉后5和10 min以外,三试验组患者的血压和心率相似。GA组患者术中SpO2高于两个椎管内麻醉组。结论椎管内麻醉比全身麻醉更易引起rSO2下降;结合使用咪达唑仑镇静会加重这种现象。在治疗高风险老年患者时应考虑麻醉剂对大脑的影响。
作者 黎环
出处 《中国老年学杂志》 CAS CSCD 北大核心 2013年第1期49-51,共3页 Chinese Journal of Gerontology
关键词 麻醉 氧饱和度
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