The study was supported by grants from the American Heart Association, GlaxoSmithKline, Medtronic, and the Agency for Healthcare Research and Quality. Dr. Hernandez reported financial relationships with Johnson & Johnson, Medtronic, Merck, Novartis, and AstraZeneca. Other authors reported a variety of financial support from drug manufacturers, other health care companies, and nonprofit organizations.
Bruce Jancin, reporting from the annual scientific sessions of the ACC in Atlanta, contributed to this article.