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右美托咪定用于腰硬联合麻醉下肢手术的镇静效果及剂量探析 被引量:1

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摘要 目的:探讨右美托咪定用于腰硬联合麻醉下肢手术的镇静效果和有效剂量。方法:以2014年1月-2016年9月笔者所在医院收治的96例下肢手术患者为研究对象,全部患者均行腰硬联合麻醉。随机将入选病例均分为四组,每组24例。A组、B组、C组均以右美托咪定镇静,持续静脉泵注,用药剂量A组0.25μg/(kg·h),B组0.5μg/(kg·h),C组0.75μg/(kg·h)。D组以咪达唑仑镇静,持续静脉泵注,用药剂量为50μg/(kg·h)。给药不同时刻给予四组患者Ramsay镇静评分,对比分析四组镇静效果。结果:B组患者手术全程各时间点Ramsay评分均在2~4分,无烦躁不安或镇静过度病例,Ramsay评分T_3~T_5时高于T_0,T_5时高于D组,T_3~T_5时优于A组和C组,差异均有统计学意义(P<0.05)。结论:腰硬联合麻醉下肢手术中用药右美托咪定进行镇静,效果略优于咪达唑仑,以此定量负荷0.5μg/kg后再以0.5μg/(kg·h)的速度恒定维持综合镇静效最优,可作为腰硬联麻适宜镇静剂量在临床推广使用。
作者 王铁
出处 《中外医学研究》 2017年第5期40-41,共2页 CHINESE AND FOREIGN MEDICAL RESEARCH
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