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QT离散度与老年人冠心病猝死关系的临床研究

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摘要 目的 本研究的目的是了解QT离散度(QTd)与老年人冠心病猝死(SCD)间的关系。方法 测定21例老年SCD患者猝死前12导联心电图的QTd、QTcd,并与30例老年急性心肌梗死(AMI)患者(其中9例伴阵发性室性心动过速)及30例正常对照者做比较。结果 ①AMI组QTd与QTcd显著高于正常对照组(P<0.05);②SCD组QTd、QTcd显著高于AMI组(P<0.05);③SCD组与AMI伴室性心动过速(VT)组的QTd、QTcd显著高于AMI不伴VT组(P<0.05),SCD组与AMI伴VT组间的QTd、QTcd无显著差别(P>0.05)。结论 QTd对老年人SCD与老年AMI发生致命性心律失常有一定的预测价值。
出处 《解放军保健医学杂志》 2000年第1期31-33,共3页 Journal Of Health Care And Medicine in Chinese Pla
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