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右美托咪定不同深度镇静对腰硬联合麻醉下妇科开腹手术患者的影响 被引量:11

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摘要 目的观察右美托咪定不同深度镇静对腰硬联合麻醉下妇科开腹手术患者的影响。方法选择60例择期妇科开腹手术患者,行腰硬联合阻滞麻醉,以脑电双频指数(BIS)监测仪进行镇静深度监测;待手术开始后,将盐酸右美托咪定注射液200μg(2 mL)加入到48 mL生理盐水中,按0.5 mL/min输注,待达到预定镇静深度时调整维持输注速度,保持稳定的镇静深度。维持给药时间为1 h。按镇静深度分为D1(BIS 80~90)、D2(BIS 70~80)、D3(BIS 60~70)组,每组20例。在给右美托咪定前,达到镇静深度时,开始维持剂量后15、30 min,停药后15、30min,观察3组呼吸(RR、SpO2)、循环(HR、MAP)及镇静程度(Ramsay评分)。结果 D1组达到相应镇静深度时右美托咪定的使用剂量和维持剂量分别为(0.23±0.02)μg/kg、(0.49±0.13)μg/(kg·h),D2组分别为(0.38±0.06)μg/kg、(0.39±0.05)μg/(kg·h),D3组分别为(0.51±0.08)μg/kg、(0.49±0.04)μg/(kg·h),D1组〈D2组〈D3组,P均〈0.05。与同组给右美托咪定前比较,三组各时点Ramsay评分均升高(P均〈0.05);同一时点HR、MAP基本符合D1组〉D2组〉D3组;三组各时点SpO2、RR比较,P均〉0.05。结论随着右美托咪定镇静深度的增加,腰硬联合麻醉下妇科开腹手术患者血压下降、HR减慢,但对SpO2、RR影响不明显。
出处 《山东医药》 CAS 2014年第24期91-93,共3页 Shandong Medical Journal
基金 辽宁省科技厅科学技术计划项目(2010225034)
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共引文献229

同被引文献82

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