高氧液对家兔心肌缺血再灌注损伤的保护作用

被引:18
作者
孙绪德
柴伟
马家海
徐礼鲜
胡敏
机构
[1] 第四军医大学唐都医院麻醉科!陕西西安
[2] 第四军医大学秦都口腔医学院麻醉科
关键词
心肌再灌注损伤; 高氧液; 氧自由基; 动物模型;
D O I
10.13191/j.chj.2001.01.26.sunxd.010
中图分类号
R542.2 [心肌疾病];
学科分类号
1002 ; 100201 ;
摘要
目的 :观察高氧液对家兔心肌缺血再灌注损伤的保护作用。方法 :结扎兔冠状动脉左室支中段 ,40 min后解除结扎行再灌注 ,制成心肌急性缺血再灌注模型。于缺血前 10 min、再灌注前 10 m in,分别静滴平衡盐液、高氧平衡盐液 ,观察在急性缺血及再灌注状态下心电图、血浆肌酸磷酸激酶 (CK)、丙二醛 (MDA)和超氧化物岐化酶 (SOD)的变化。结果 :高氧平衡盐液能使抬高的心电图 S- T段明显下降 ,缺血再灌注心肌 CK活性明显降低 ;并能保护SOD的活性 ,降低脂质过氧化反应代谢产物 MDA的含量。结论 :高氧平衡盐液对家兔在体心肌缺血再灌注损伤具有明显的保护作用。
引用
收藏
页码:24 / 26
页数:3
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