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老年心肌缺血/再灌注的氧化损伤与抗氧化能力的检测 被引量:3

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摘要 探索老年冠心病 (CHD)心肌缺血 /再灌注过程中氧自由基对心肌的损伤与机体抗氧化能力的变化。方法 :用硫代巴比妥法、邻苯三酚自氧化法和Fe3 + /Fe2 + 还原法对 3 2例老年CHD患者心肌缺血 /再灌注前后血中丙二醛(MDA)、超氧化物歧化酶 (SOD)、总抗氧化能力 (TAOC)进行测定并计算TAOC/MDA比值。结果 :CHD组较健康对照组、急性心肌梗死组较心绞痛组、缺血 /再灌注发生后较发生前血中MDA均有显著增高 ;血清SOD、TAOC及TAOC/MDA比值均有显著降低 ;MDA与SOD、TAOC之间呈显著负相关。结论 :老年冠心病心肌缺血 /再灌注患者体内存在着严重的氧化损伤 ,以上指标的检测可为该病抗氧化治疗提供依据。
出处 《中原医刊》 2004年第3期2-3,共2页 Central Plains Medical Journal
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