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脑电双频指数在老年支气管镜检查咪唑安定ED_(50)计算中的应用

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摘要 目的用脑电双频指数监测为标准,计算老年支气管镜检查患者镇静时单次,静脉注射咪唑安定达到入睡水平的ED50,指导临床用药剂量。方法将50例支气管镜检患者查列入干预对象,随机分为五组,每组10人。检查前均按0.04、0.06、0.08、0.10、0.12mg/kg的剂量给予咪唑安定静脉注射。脑电双频指数组以小于80为入睡标准,用probit法计算患者静脉注射咪唑安定的ED50。结果脑电双频指数80以下为入睡标准的单次剂量静脉注射咪唑安定的ED50分别0.066mg/kg(95%可信区间为0.056~0.077mg/kg)。结论老年支气管镜检查镇静时静脉注射咪唑安定达到入睡水平的ED50是偏低的,临床应用中应予关注。
作者 周敏
出处 《中国实用医药》 2009年第27期212-213,共2页 China Practical Medicine
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