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左卡尼汀对离体家兔心脏缺血再灌注损伤的保护作用 被引量:3

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摘要 将离体兔心灌注模型随机分成三组,正常对照组连续灌注K-H液60 min;缺血再灌注组关闭主动脉套管停止灌注,30 min后恢复37℃K-H液灌注60 min;左卡尼汀组步骤同缺血再灌注组,但在复灌时先用含10mmol/L左卡尼汀的K-H液灌注30 min。记录冠脉流量、左心室发展压(LVDP)、左心室压力时间变化率(±DP/DT);检测冠脉流出液中丙二醛(MDA)、超氧化物歧化酶(SOD)、肌酸激酶(CK)、乳酸脱氢酶(LDH)浓度和心肌组织中MDA、SOD含量。结果左卡尼汀组±DP/DTmax、LVDP较缺血再灌注组显著升高,冠脉流量增大;冠脉流出液中MDA、LDH、CK及心肌组织中MDA水平降低,SOD水平升高(P<0.05);超微结构损伤减轻(P<0.05)。表明左卡尼汀具有抗兔离体心脏缺血再灌注损伤的作用。
出处 《山东医药》 CAS 北大核心 2007年第28期30-31,共2页 Shandong Medical Journal
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