右美托咪定在外周神經(jīng)阻滯中使用對(duì)止血帶反應(yīng)的影響
發(fā)布時(shí)間:2018-07-17 08:38
【摘要】:目的探討右美托咪定復(fù)合局部麻醉藥在外周神經(jīng)阻滯中使用對(duì)止血帶引起的血流動(dòng)力學(xué)及氧化應(yīng)激損傷的影響。方法選取2015年5月—2016年2月浙江省人民醫(yī)院行上肢手術(shù),需使用止血帶及臂叢麻醉且止血帶使用時(shí)間45 min的患者122例,采用隨機(jī)數(shù)字表法將患者分為對(duì)照組(C組,n=39)、右美托咪定靜脈組(Ⅳ組,n=40)和右美托咪定外周神經(jīng)阻滯組(P組,n=43)。入室后行B超下肌間溝臂叢麻醉,C組不使用右美托咪定,Ⅳ組靜脈中使用右美托咪定,P組外周神經(jīng)阻滯中使用右美托咪定復(fù)合局部麻醉藥。觀察并記錄入室(T01)、上止血帶前即刻(T02)、上止血帶后30 min(T11)、上止血帶后45 min(T12)、松止血帶后即刻(T21)、松止血帶后5 min(T22)、松止血帶后10 min(T23)的平均動(dòng)脈壓和心率,并觀察和記錄上止血帶期間(T13)最高平均動(dòng)脈壓和最慢心率。采用酶聯(lián)免疫吸附試驗(yàn)(ELISA)法檢測(cè)T01、T21、T22、T23時(shí)血清丙二醛(MDA)、超氧化物歧化酶(SOD)水平。結(jié)果 T02、T11、T12、T13時(shí),Ⅳ組平均動(dòng)脈壓低于C組、P組平均動(dòng)脈壓低于C組、高于Ⅳ組;T21時(shí),Ⅳ組平均動(dòng)脈壓高于C組,P組平均動(dòng)脈壓高于C組、低于Ⅳ組(P0.05)。T01、T02、T11、T12、T13、T21、T22、T23時(shí),Ⅳ組心率低于C組(P0.05);T02、T11、T12、T13、T21、T22、T23時(shí),P組心率低于C組、高于Ⅳ組(P0.05)。T22、T23時(shí),C組、Ⅳ組和P組MDA水平高于T01,C組和P組SOD水平低于T01(P0.05);T23時(shí),Ⅳ組SOD水平低于T01(P0.05)。T22、T23時(shí),Ⅳ組MDA水平低于C組,P組MDA水平低于C組、高于Ⅳ組;Ⅳ組SOD水平高于C組,P組SOD水平高于C組、低于Ⅳ組(P0.05)。結(jié)論右美托咪定加入局部麻醉藥中進(jìn)行外周神經(jīng)阻滯可以減輕止血帶反應(yīng),降低氧化應(yīng)激損傷,但效果不如靜脈中使用。
[Abstract]:Objective to investigate the effects of dexmetomidine combined with local anesthetics on hemodynamics and oxidative stress injury induced by tourniquet during peripheral nerve block. Methods from May 2015 to February 2016, 122 patients underwent upper limb operation in Zhejiang Provincial people's Hospital, who were anesthetized with tourniquet and brachial plexus and used for 45 min. The patients were randomly divided into three groups: control group (group C), dexmetomidine vein group (group 鈪,
本文編號(hào):2129835
[Abstract]:Objective to investigate the effects of dexmetomidine combined with local anesthetics on hemodynamics and oxidative stress injury induced by tourniquet during peripheral nerve block. Methods from May 2015 to February 2016, 122 patients underwent upper limb operation in Zhejiang Provincial people's Hospital, who were anesthetized with tourniquet and brachial plexus and used for 45 min. The patients were randomly divided into three groups: control group (group C), dexmetomidine vein group (group 鈪,
本文編號(hào):2129835
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