静脉辅助右美托咪定复合瑞芬太尼在腰丛-坐骨神经阻滞下老年髋关节置换术中对镇痛与应激的影响

被引:46
|
作者
刘冲 [1 ]
王志学 [1 ]
董龙 [1 ]
张德利 [1 ]
史雅娟 [2 ]
段凤梅 [1 ]
李艳 [1 ]
机构
[1] 承德医学院附属医院麻醉科
[2] 承德市中医院麻醉科
关键词
右美托咪定; 瑞芬太尼; 腰丛阻滞; 坐骨神经阻滞; 髋关节置换术;
D O I
暂无
中图分类号
R614.4 [传导麻醉(神经阻滞麻醉)];
学科分类号
摘要
目的探讨静脉辅助右美托咪定复合瑞芬太尼在腰丛-坐骨神经阻滞下老年患者髋关节置换术中对镇痛与应激的影响。方法在超声联合神经刺激引导的腰丛-坐骨神经阻滞下髋关节置换术中,分别辅以一定剂量右美托咪定、瑞芬太尼或两药复合应用。采用随机数字表法,将患者随机分为4组(n=30):D组为右美托咪定负荷量0.5μg/kg(10 min泵注),随即以0.3μg·kg-1·h-1泵注维持;R1组为瑞芬太尼0.05μg·kg-1·min-1持续泵注;R2组为瑞芬太尼0.1μg·kg-1·min-1持续泵注;DR组为瑞芬太尼0.05μg·kg-1·min-1持续泵注,同时右美托咪定负荷量0.5μg·kg(10 min泵注),随即以0.3μg·kg-1·h-1泵注维持。各组均于静脉用药10 min后行腰丛-坐骨神经阻滞,且均于术毕前10 min停药。在入室时(T0)、神经阻滞操作前(T1)、手术切皮即刻(T2)、手术开始后15 min(T3)、手术开始后30 min(T4)、术毕即刻(T5)各时间点,通过疼痛视觉模拟评分(VAS)监测镇痛效果,血浆皮质醇(Cor)检测应激影响。结果 D组与R1组T1、T2、T5时刻VAS均降低(P<0.05);R2组与DR组T1T5时刻VAS均降低(P<0.05)。DR组在各时间点VAS评分与R2组均无显著差别,但显著优于D组和R1组。各组各时刻Cor水平均有明显降低(P<0.05)。D组Cor水平除T2、T3时刻与R2组无显著差异之外,其余各时间点均低于R1、R2组。DR组各时间点Cor水平均低于R1、R2组,除T1时刻之外,在其余各时刻Cor水平显著低于D组。结论腰丛-坐骨神经阻滞麻醉下老年患者髋关节置换术中,给予右美托咪定负荷量0.5μg·kg(10 min)、0.3μg·kg-1·h-1维持复合瑞芬太尼0.05μg·kg-1·min-1静脉维持,降低了阿片类药物的消耗,能够提供更佳的镇痛效果,并充分抑制应激反应。
引用
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页码:1195 / 1198
页数:4
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