© 1989 Oxford University Press
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A New Approach to Surveillance for Acute Myocardial Infarction: Reproducibility and Cost Efficiency
*New England Research Institute, Inc 9 Galen Street, Watertown, MA 02172; Brown University, Department of Community Health Providence, RI, USA.
**Rhode Island Memorial Hospital Pawtucket, RI, USA.
Pawtucket Heart Health Program Providence, RI, USA.
Pawtucket Heart Health Program, Memorial Hospital and Brown University Providence, RI, USA.
McKinlay S M (New England Research Institute, Inc, 9 Galen Street, Watertown, MA 02172, USA), Carleton R A, McKenney J L and Assaf A R. A new approach to surveillance for acute myocardial infarction: reproducibility and cost efficiency. International Journal of Epidemiology 1989, 18: 67–75.
A new approach to surveillance of myocardial infarction, the major cardiovascular endpoint is described using an algorithm which depends primarily on enzyme data, using evidence of chest pain and positive electrocardiogram findings as supplemental information only. This approach is evaluated with respect to reproducibility by minimally trained abstractors, cost, and robustness with respect to different hospital systems as well as changes in diagnostic techniques and/or labelling over time.
Two pilot studies demonstrate that, in comparison to more traditional approaches, the new surveillance system provides at least a 50% reduction in cost, is highly reproducible over different hospital systems, and potentially, is resilient to changes in diagnostic procedures or coding.
The more general applicability of such an innovative surveillance approach to other disease endpoints, in which one reliable procedure contains most of the diagnostic information, is discussed with particular reference to cancer.
Received 1 June 1988
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