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应用12导心电图预测心肌梗死患者左室射血分数 被引量:4

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摘要 目的应用12导心电图aVR法预测心肌梗死患者左室射血分数(LVEF),并与超声心动图(UCG)所测的LVEF对照研究。方法收集我院近10年来心肌梗死患者142例,其中急性心肌梗死(AMI)76例,陈旧性心肌梗死(QMI)66例,并与81名正常人为对照组。计算12导心电图aVR导联电压之和,据公式LVEF=β1aVR+β2age(β1=2.264,β2=0.645)求出LVEF,并与UCG所测的LVEF对照。结果对照组两种方法均值无统计学意义(P>0.05),且一致性范围较窄。AMI组、QMI组两种方法均值差异有统计学意义(P<0.001),且一致性范围相对较宽,但明显低于文献报道的心导管法与UCG法对照的误差。结论用12导心电图aVR法预测LVEF是较UCG法更加经济、简便、快捷的一种新方法。
机构地区 太原市人民医院
出处 《中西医结合心脑血管病杂志》 2010年第11期1314-1315,共2页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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