The Relation Between Patients' Outcomes and the Volume of Cardioverter-Defibrillator Implantation Procedures Performed by Physicians Treating Medicare Beneficiaries

September 23, 2005—This is the first study designed to look at the relation between patient outcomes and physicians'/hospitals' volume of cardioverter-defibrillator implantation to determine whether implantation should be limited to physicians with high procedural volume.