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右美托咪啶预处理对肥厚心肌缺血再灌注损伤的影响及机制

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摘要 目的探讨右美托咪啶预处理对肥厚心肌缺血再灌注损伤的影响及机制。方法选取实验培养的100只大鼠,其中20只作为正常心肌对照组(正常对照组),不做任何处理,其余制备模型后,将离体心脏分为四组,即缺血再灌注为对照组(20例)、Dex组(20例)、Dex/wortmannin组(20例)、Dex/L-NAME组(20例),分析右美托咪啶预处理对肥厚心肌缺血再灌注损伤的影响。结果 LDH、CK-MB、cTNⅠ、NO、NOS、MMP-2、IL-1β、心肌梗死面积各项指标在五组间差异具有统计学意义(P<0.05),其中Dex组、Dex/wortmannin组、Dex/L-NAME组的LDH、CK-MB、cTNⅠ、MMP-2、IL-1β及心肌梗死面积均低于对照组、正常对照组相应值,并且以上指标Dex/wortmannin组和Dex/L-NAME组低于Dex组相应值(P<0.05)。结论右美托咪啶可有效减轻大鼠心肌缺血再灌注损伤,改善心功能,发挥心肌保护作用。
机构地区 南昌县人民医院
出处 《中国医药指南》 2019年第13期40-41,共2页 Guide of China Medicine
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