急性心肌梗死U波倒置意义的临床评价

Clinical Evaluation of Inversive U Wave in Patients with Acute Myocardial Infarction

目的:探讨急性心肌梗死(AMI)U波倒置的临床意义。方法:对150例AMI患者中21例有U波倒置的进行分析。结果:有U波倒置患者心绞痛的发生率为76.2%(16/21例),高于无U波倒置者的33.3%(43/129例)(P<0.01)。U波倒置常提示存在左前降支病变,本组5例U波倒置冠状动脉造影均有左前降支病变(100%),无U波倒置19例行冠状动脉造影11例(57.9%)有左前降支病变(P=0.1028)。结论:以上结果提示,U波倒置对诊断冠心病可能比T波异常更具有特异性。

Objective: To investigate the clinical significance of inveisive U waves in patients with acute myocardial infarction. Methods: Inveisive U waves were analyzed in 21 of 150 patients with acute myocardial infarction. Results:The incidence of angina pectoris with inversive U wave was 76.2%(16/21),and was higher than that without inversive U wave(43/129, 33.3%)(P<0.01). Inversive U wave indicated the lesion of left anterior descending coronary artery. Left anterior descending lesions were found in 5(100%)patients with inversive U wave,and 11(57.9%)patients without inversive U wave using coronary angiography( P = 0.102 8). Conclusion: Inversive U wave is a more useful and specific method in diagnosing cardiopathy compared with abnormal T wave.