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既往心绞痛对急性心肌梗死临床及近期预后的影响

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摘要 目的 探讨既往心绞痛史对急性心肌梗死 (AMI)患者临床状况及近期预后的影响。方法 选择我院 2 14例初发AMI患者 ,按既往有无心绞痛史分为A组 (有心绞痛史 )、B组 (无心绞痛史 ) 2组 ,对 2组病人的临床资料进行分析。结果  1)A组小面积心肌梗死发生率高于B组 (P <0 .0 5 )。2 )A组肌酸磷酸激酶 (CK)和肌酸磷酸激酶同工酶 (CK -MB)峰值、KillipⅡ级以上泵衰竭和梗死后心绞痛发生率、住院病死率均明显低于B组 (P <0 .0 5 )但两组恶性心律失常率无明显差异。 3)心功能情况 :A组左室射血分数 (LVEF)显著高于B组 (P <0 .0 1)。结论 既往有心绞痛史的AMI患者近期预后较好 ,原因可能与既往心绞痛促进冠状动脉侧支循环形成及缺血预适应 (IP)机制有关 。
出处 《齐齐哈尔医学院学报》 2003年第3期252-253,共2页 Journal of Qiqihar Medical University
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