CAJ | 학술논문

目的：观察心肌梗塞病人发病24h内及发病后48～72h的QTd变化情况，了解QTd与心梗发生室性心律失常的关系。方法：本组纳入心梗病人62例，分发生室性心律失常和未发生室性心律失常两组，分别测量其发病24h及发病后48～72h的QTd，并比较两组指标。结果：①发生室内性心律失常的心梗病人QTd显著高于未发生心律失常组；②心梗发病24h内QTd显著高于发病后48～72h。结论：急性心梗病人测量QTd对于预测室性心律失常的发生有重要意义。
목적：관찰심기경새병인발병24h내급발병후48～72h적QTd변화정황，료해QTd여심경발생실성심률실상적관계。방법：본조납입심경병인62례，분발생실성심률실상화미발생실성심률실상량조，분별측량기발병24h급발병후48～72h적QTd，병비교량조지표。결과：①발생실내성심률실상적심경병인QTd현저고우미발생심률실상조；②심경발병24h내QTd현저고우발병후48～72h。결론：급성심경병인측량QTd대우예측실성심률실상적발생유중요의의。
Objective：To understand the changes of QT dispersion（QTd）， and study the relationship between QTd and ventricular arrhythmias in patients with acute myocardial infarction．Methods：The QTd between two groups of patients with acute myocardial infarction were compared respectively：32 patients with sustained ventricular arrhythmias and 30 patients without such arrhythmias on 12 leads ECG within 24 hours and during 48 to 72 hours after onset．Reults：（1）The mean QTd in patients with acute myocardial infarction was higher within 24 hour than during 48 to 72 hours after onset．（2）The mean QTd in patients with ventricular arrhythmias was significantly higher than that of patients without ventricular arrhythmias．Conclusion：The results indicate that measurements of QTd may be of significant in predicting serious ventricular arrhythmias for patients with acute myocardial infarction．