Longitudinal Study of Implantable Cardioverter-Defibrillators: Methods and Clinical Characteristics of Patients Receiving Implantable Cardioverter-Defibrillators for Primary Prevention in Contemporary Practice

Study Questions:

What are the clinical characteristics and long-term outcomes of unselected, community-based patients with left ventricular systolic dysfunction undergoing primary prevention implantable cardioverter-defibrillator (ICD) implantation in a real-world setting?