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ABSTRACT & COMMENTARY

Upgrading Prior Right Ventricular Pacing in Heart Failure

A randomized, controlled, open-label study of upgrading patients with right ventricular pacemaker-induced left ventricular dysfunction and heart failure to cardiac resynchronization pacing plus an implantable cardioverter defibrillator (ICD) has shown reduced heart failure hospitalization and improvements in left ventricular function compared to ICD placement alone.