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Effect of Dexmedetomidine on Inflammatory Response and Oxidative Stress in Patients Undergoing Thoracoscopic Surgery for Radical Treatment of Lung Cancer
Author(s): 
Pages: 910-913
Year: Issue:  7
Journal: Herald of Medicine

Keyword:  右美托咪定肺癌根治术单肺通气炎症反应氧化应激反应;
Abstract: 目的 观察右美托咪定对胸腔镜肺癌根治术患者围手术期炎症反应及氧化应激反应的影响.方法 全麻单肺通气行胸腔镜肺癌根治术的患者100例,随机分为右美托咪定组(A组)和对照组(B组),每组50例.A组麻醉诱导前20 min静脉注射盐酸右美托咪定负荷量1μg?kg-1,15 min输完,随后给予维持量0.5μg?kg-1?h-1,手术结束前20 min停药;B组给予等量0.9%氯化钠溶液.气管插管后5 min(t0)、单肺通气(OLV)30 min(t1)、OLV60 min(t2)、完成手术时(t3)采静脉血,酶联免疫吸附测定(ELISA)法测血清肿瘤坏死因子α(TNF-α)、白细胞介素6(IL-6)、IL-8浓度,检测丙二醛(MDA)浓度和超氧化物歧化酶(SOD)水平.行动脉血气分析,计算氧合指数.结果 与t0比较,t1-t3两组血清SOD活性、氧合指数均降低,MDA、TNF-α、IL-6及IL-8浓度均升高(P<0.01);与B组比较,A组t1-t3时间点血清SOD活性、氧合指数更高,MDA、TNF-α、IL-6及IL-8浓度更低(P<0.01).结论 右美托咪定可减轻胸腔镜肺癌根治术患者围手术期炎症反应及氧化应激反应.
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