Heart failure patients with prior right ventricular pacing upgraded to resynchronization therapy had a worse prognosis compared to de novo cardiac resynchronization therapy at 1-year follow-up. Results from a Chagas disease cohort
Abstract:Introduction: Cardiac resynchronization therapy (CRT) improves outcomes in heart failure (HF) patients with left bundle branch block (LBBB). However, the benefits of CRT in patients with previous pacing are uncertain, specially in a population witch Chagas disease is a prevalent cause of HF. Methods and Results: Prospective cohort study that included HF patients indicated for CRT with left ventricular ejection fraction (LVEF) of less than 35%. Clinical and demographic data were collected to investigate mortali… Show more
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