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Evaluation Of Ventricular Repolarization In Patients Undergoing Cardiac Resynchronization Therapy (Crt) Using Two Modalities: Conventional Biventricular Pacing Vs. His-Bundle Pacing, Anshul Gupta, Behzad B. Pavri, Md, Fhrs
Evaluation Of Ventricular Repolarization In Patients Undergoing Cardiac Resynchronization Therapy (Crt) Using Two Modalities: Conventional Biventricular Pacing Vs. His-Bundle Pacing, Anshul Gupta, Behzad B. Pavri, Md, Fhrs
Phase 1
Introduction:
Permanent His-bundle pacing (HBP) is being used as an alternative to biventricular pacing (BiVP) for CRT. HBP preserves the physiologic pattern of ventricular activation and markedly reduces ventricular dyssynchrony. While ventricular depolarization with HBP vs. BiVP has been studied, the effects of the 2 modalities on repolarization have not been compared. The purpose of this study was to compare ventricular repolarization in patients with HBP and BiVP. We hypothesize that HBP provides more physiologic repolarization as compared to BiVP.
Methods: ECG repolarization parameters were analyzed in patients who underwent HBP and BiVP using the first available ECG post implant. …