Long‐Term Outcomes Among a Nationwide Cohort of Patients Using an Implantable Cardioverter‐Defibrillator: UMBRELLA Study Final Results

Background Large‐scale studies describing modern populations using an implantable cardioverter‐defibrillator (ICD) are lacking. We aimed to analyze the incidence of arrhythmia, device interventions, and mortality in a broad spectrum of real‐world ICD patients with different heart disorders. Methods and Results The UMBRELLA study is a prospective, multicenter, nationwide study of contemporary patients using an ICD followed up by remote...