再灌注预处理对急性心肌梗死患者的影响

Journal of Chinese Practical Diagnosis and Therapy(2012)

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Abstract
目的探讨急诊经皮冠状动脉介入术(percutaneous coronary intervention,PCI)治疗时再灌注预处理对急性心肌梗死患者的影响。方法 87例急性心肌梗死患者行急诊PCI时,45例于支架植入前行低流量灌注10min(预处理组),42例直接行球囊扩张和支架植入(对照组)。观察2组支架植入后罪犯血管无复流发生率、再灌注心律失常、心肌损伤标志物水平和心功能变化。结果预处理组支架植入后罪犯血管无复流发生率(6.7%)低于对照组(16.7%)(P<0.01),术中及术后2h内再灌注心律失常发生率(24.4%)低于对照组(40.1%)(P<0.01),血清肌酸激酶同工酶峰值(52.5±19.4)μg/L低于对照组(66.8±22.9)μg/L(P<0.05),术后第7天左心室射血分数(55±12)%高于对照组(48±13)%(P<0.05)。结论急性心肌梗死患者行急诊PCI时采用低流量灌注进行再灌注预处理可减少心肌再灌注损伤,提高治疗效果。
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Key words
percutaneous coronary intervention,Acute myocardial infarction,reperfusion preconditioning
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