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下肢血管病变与体内自由基 被引量:1

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摘要 目的研究自由基产生和抗氧化能力改变在糖尿病及出现下肢血管病变患者中的变化情况,探讨体内自由基水平与下肢血管病变的联系。方法根据踝臂指数和B型超声将100例糖尿病患者分为A、B两组。A组,糖尿病伴下肢血管病变组60例;B组,糖尿病不伴下肢血管病变组40例。根据空腹血糖将A组分为两组,A1组31例血糖在7.0~15.0mmol/L之间,A2组29例血糖≥15.0mmol/L,无酮症酸中毒及糖尿病高渗性昏迷。各组患者肾功、肝功和心脏功能正常。25例健康成人做对照。分别检测各组患者血清活性氧(ROS)、丙二醛(MDA)及谷胱甘肽过氧化物酶(GSH-Px)、超氧化物歧化酶(SOD)的水平,分析不同组别患者血清中上述各指标水平的变化。结果A组和B组患者血清中的ROS、MDA水平均高于健康成人组。A组患者血清中的ROS、MDA水平显著高于B组患者(P<0.05);而GSH-Px、SOD水平显著低于B组患者(P<0.05)。结论糖尿病患者及下肢血管病变患者体内存在着氧化应激,糖尿病伴下肢血管病变患者较糖尿病不伴下肢血管病变患者自由基水平升高更明显。
出处 《中国地方病防治》 北大核心 2008年第5期376-377,共2页 Chinese Journal of Control of Endemic Diseases
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