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Increase in Tpeak–Tend interval induced by cardiac resynchronization therapy is a predictor of ventricular tachyarrhythmia
Journal of Arrhythmia
Background: The impact of cardiac resynchronization therapy (CRT) on dispersion of repolarization is controversial. This study aimed to determine whether CRT alters the QT interval and Tpeak-Tend interval (Tpeak-end) and whether such changes relate to the risk of developing a major arrhythmic event (MAE). Methods: Data from 67 patients (49 men; age 717 10 years) who underwent CRT device placement were analyzed retrospectively. Patients had NYHA class III or IV heart failure. Mean leftdoi:10.1016/j.joa.2012.01.003 fatcat:xtk46p2p6bhp7e2ycj4gfrtprq