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多种心电图(ECG)变化用于确定扩张型心肌病(DCM)患者猝死或死于充血性心力衰竭(CHF)的不同危险性,其可靠程度,以往尚无评价。本文旨在证实单独的ECG表现是否能预示DCM死亡方式。方法和结果:67例DCM病人,男53例,女14例;平均年龄48±11岁(14～68岁)。患者均于心导管检查前1周记录标准12导联心电图,同时进行48小时心律失常监测。室性心律失常根据Lown分级。病人住院和随访期间均未接受抗心律失常药和β阻滞剂。随访期1至6年(平均3±2年),共计28例(42%)死亡,18例(27%)死于CHF,10例(15%)猝死。多变量分析表明仅左束支阻滞(P<0.001)和据ECG标准确定
Various ECG changes are used to determine the different risks of sudden death or dying from congestive heart failure (CHF) in patients with dilated cardiomyopathy (DCM), their reliability, and no prior evaluation. This article aims to confirm whether ECG performance alone can predict the mode of DCM death. Methods and Results: 67 cases of DCM patients, 53 males and 14 females; average age 48 ± 11 years (14 to 68 years old). All patients underwent a standard 12-lead electrocardiogram one week prior to cardiac catheterization and 48-hour cardiac arrhythmia monitoring. Ventricular arrhythmias are classified according to Lown. Patients were not hospitalized during the follow-up and anti-arrhythmic drugs and beta blockers. A total of 28 (42%) died, 18 (27%) died of CHF, and 10 (15%) died during the follow-up of 1 to 6 years (mean 3 ± 2 years). Multivariate analysis showed only left bundle branch block (P <0.001) and was based on ECG criteria