急性心肌梗死患者QT离散度及其近期愈后分析
健康九九网 www.health99.org 更新时间:2006-9-20 3:52:59
刘海陵 阳军 2005-12-13 13:17:30 中华现代临床医学杂志 2004年1月第2卷第1期 关键词 急性心肌梗死 QT间期离散度 近期预后 Recent prognosis analysis of QT interval dispersion in patients with acutemyocardial infarction Liu Hailing，Yang Jun Affiliated Hospital of Guangdong Medical College，Zhanjiang Centre People’s Hospital，Zhanjiang524001. 【Abstract】 Objective To investigate the recent prognosis significance of QT interval dispersion（QTd）in paˉtients with acute myocardial infarction（AMI）.Methods QTd in62patients with AMI were studied with12-lead electrocardiography within24hours after onset of AMI，and50patients with coronary heart disease been controlled.Diˉviding these AMI patients into ventricular arrhythmia and noninducible ventricular arrhythmia，the changes of QTd in2subgroups were observed.Results The QTd and QTcd in patients with AMI was higher than that in patients with CHD;The QTd and QTcd was significantly higher in patients with ventricular arrhythmia than that in patients without ventricular arrhythmia.Conclusion The highterQTd was an effective index to predicate the short term prognosis of AMI.
【摘要】 目的 探讨急性心肌梗死（AMI）患者QT间期离散度对其近期预后分析的意义。方法 观察了62例AMI患者发病24h内的QT间期离散度（QTd），并对比观察AMI患者1周内发生或未发生室性心律失常的QT间期离散度。结果 急性AMI患者QTd和QTcd大于冠心病对照组（P<0.05），而急性AMI患者中早期发生室性心律失常者QTd显著大于无室性心律失常者（P<0.05）。结论 急性AMI后QTd的增大是预测短期预后的较有效指标。