JAHA:诊断左束支阻滞患者急性心梗的新心电图算法

2020-07-06 MedSci原创 MedSci原创

目前的心电图算法对诊断左束支传导阻滞的急性心肌梗死(AMI)缺乏敏感性。

目前的心电图算法对诊断左束支传导阻滞的急性心肌梗死(AMI)缺乏敏感性。

本多中心回顾研究纳入分析了2009年至2018年期间疑似急性心肌梗死和左束支传导阻滞的连续患者。2015年之前的患者组成了原始队列(n=16361名AMI患者),2015-2018年诊断的患者组成了验证队列(n=10740名AMI患者),同时还纳入了214名无AMI的对照组。共对484例患者测试了不同的心电图标准,推导并验证了一种新的心电图算法(BARCELONA算法)。当ST偏移≥1 mm(0.1 mV)与QRS极性一致时,在任何导联中,或ST偏移≥1 mm(0.1 mV)与QRS不一致时,在最大(R | S)电压(QRS最大偏转电压,即R或S波)≤6 mm(0.6 mV)的导联中,算法为阳性。在原始和验证队列中,BARCELONA算法获得了最高的灵敏度(93%-95%)、阴性预测值(96%-97%)、效率(91%-94%)和受试者操作特性曲线下面积(0.92-0.93),显着高于以前的心电图规则(P<0.01)。

研究结果显示,在转诊到胸痛急诊的左束支传到组织患者中,BARCELONA心电算法对急性心梗的诊断拥有很高的铭感度和特异性。

原始出处:

Andrea D et al.New Electrocardiographic Algorithm for the Diagnosis of Acute Myocardial Infarction in Patients With Left Bundle Branch Block.JAHA.2020 July.

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    2020-07-08 zhaohui6731
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    2020-07-06 医鸣惊人

    学习

    0

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    2020-07-06 ms4000000789654596

    .

    0

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    2020-07-06 lovetcm

    太强了

    0

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