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A systematic review of the effects of physician specialty on the treatment of coronary disease and heart failure in the United States.
Go AS, Rao RK, Dauterman KW, Massie BM. A systematic review of the effects of physician specialty on the treatment of coronary disease and heart failure in the United States. The American journal of medicine. 2000 Feb 15; 108(3):216-26.
PURPOSE: To assess the effects of physician specialty on the knowledge, management, and outcomes of patients with coronary disease or heart failure. MATERIALS AND METHODS: We performed a systematic search of MEDLINE from 1980 to 1997, as well as bibliographic references to articles about the effects of physician specialty on the knowledge, treatment, and outcomes of patients with coronary disease or heart failure in the United States. RESULTS: Twenty-four articles met our criteria for inclusion (including eight that involved knowledge or self-reported practices, 14 that described actual practice patterns, and six that measured clinical outcomes). Cardiologists were more knowledgeable than generalist physicians about the optimal evaluation and management of coronary disease but not about the use of angiotensin-converting enzyme (ACE) inhibitors for heart failure. Patients with unstable angina or myocardial infarction were more likely to receive proven medical therapies, and possibly had improved outcomes, if they were treated by cardiologists. The use of lipid-lowering drugs after myocardial infarction was also more common among patients of cardiologists. ACE inhibitor use for heart failure was probably greater, and short-term readmission rates were lower, with cardiology care. CONCLUSIONS: Patients with coronary disease or heart failure in the United States who are treated by cardiologists appear more likely to receive evidence-based care and probably have better outcomes. Investigation of collaborative models of care and innovative efforts to improve the use of proven therapies by physicians are needed.