Temporal Trends in Patient Characteristics and Outcomes Among Medicare Beneficiaries Undergoing Primary Prevention Implantable Cardioverter-Defibrillator Placement in the United States, 2006-2010: Results From the NCDR® ICD Registry

Study Questions:

What are the temporal trends in patient characteristics and outcomes among older patients undergoing primary prevention implantable cardioverter-defibrillator (ICD) therapy in US hospitals between 2006 and 2010?