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右美托咪定对单肺通气患者术中氧化应激的影响 被引量:11

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摘要 目的:探讨右美托咪定对单肺通气(OLV)所致氧化应激反应的影响。方法将76例择期行食管癌根治术患者按随机数字表法分为右美托咪定组(DEX组)和对照组,每组38例。于开胸前(T0),OLV后30min(T1)、60min(T2)、90min(T3),手术结束(T4)时测定血清一氧化氮(N0)浓度、丙二醛(MDA)浓度以及超氧化物歧化酶(SOD)活性。结果与T0时比较,T1-T4时两组血清SOD活性下降[DEX组:(67.9±11.2)、(57.8±9.3)、(49.2±9.0)、(56.4±6.5)kU/L比(78.5±10.3)kU/L;对照组:(62.1±12.1)、(46.3±8.7)、(31.6±7.1)、(40.2±6.2)kU/L比(80.2±9.8)kU/L],而NO及MDA浓度升高[DEX组:(30.4±4.7)、(40.5±5.8)、(51.6±7.6)、(57.2±6.8)umol/L比(16.7±3.8)μmol/L,(7.9±2.4)、(10.1±2.6)、(19.6±2.9)、(18.8±2.1)μmol/L比(5.04-0.9)μmol/L;对照组:(31.6±3.9)、(49.84-6.3)、(61.54-8.2)、(68.3±7.3)μmol/L比(15.2±3.4)¨mol/L,(9.6±3.3)、(16.9±3.2)、(32.5±3.6)、(30.2±2.6)μmol/L比(5.3±0.8)μmol/L],差异有统计学意义(P<0.01)。两组T2-L4时血清NO、MDA浓度及SOD活性比较差异有统计学意义(P<0.05)。结论围手术期持续输注右美托咪定在一定程度上能减轻OLV时氧化应激反应。
作者 吕安庆
出处 《中国医师进修杂志》 2012年第17期61-63,共3页 Chinese Journal of Postgraduates of Medicine
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