论文部分内容阅读
目的探讨急性心肌梗死患者QT间期离散度(QTd)与其预后的关系。方法分析45例心肌梗死患者心电图QTd,并对比观察心肌梗死患者1周内发生或未发生室性心律失常的QTd。结果急性心肌梗死患者QTd为(73±18)ms,对照组为(28±12)ms,差异有统计学意义(P<0.01),而急性心肌梗死患者中早期发生室性心律失常与无室性心律失常者QTd分别为(93±13)、(52±12)ms,差异有统计学意义(P<0.01)。结论急性心肌梗死后QTd的增大是预测预后的重要指标。
Objective To investigate the relationship between QT dispersion and prognosis in patients with acute myocardial infarction. Methods The QTd of electrocardiogram in 45 patients with myocardial infarction was analyzed and the QTd of patients with myocardial infarction within one week or without ventricular arrhythmia was observed. Results The QTd was (73 ± 18) ms in AMI patients and (28 ± 12) ms in AMI patients, the difference was statistically significant (P <0.01). In patients with acute myocardial infarction, the incidence of ventricular arrhythmias QTd of patients with arrhythmia were (93 ± 13) and (52 ± 12) ms, respectively, with statistical significance (P <0.01). Conclusion The increase of QTd after acute myocardial infarction is an important index to predict the prognosis.