Variation among hospitals in coronary-angiography practices and outcomes after myocardial infarction in a large health maintenance organization.
作者： Joe V. Selby , Bruce H. Fireman , Robert J. Lundstrom , Bix E. Swain , Alison F. Truman
DOI: 10.1056/NEJM199612193352506
关键词:
摘要: Background Wide geographic variation in the use of coronary angiography after myocardial infarction has been documented internationally and within United States. An associated clinical outcomes not consistently demonstrated. Methods We assessed risk death from heart disease any event (death, reinfarction, or rehospitalization) over a follow-up period one to four years 6851 patients hospitalized with acute at 16 Kaiser Permanente hospitals 1990 through 1992. The percentage who underwent three months ranged 30 77 percent. selected subcohort 1109 higher rates lower for record review assess severity infarction, number coexisting conditions, treatments received, appropriateness necessity angiography, using established criteria. Results angiography...
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