Copyright © 1996 by the European Society of Cardiology.
© 1996 The European Society of Cardiology
Complications prior to revascularization among patients waiting for coronary artery bypass grafting and percutaneous transluminal coronary angioplasty
The Division of cardiology and the Wallenberg Laboratory, Department of Heart and Lung Diseases, Sahlgrenska University Hospital Göteborg. Sweden
Received 19 April 1996; accepted 29 April 1996.
Correspondence: A. Bengtson. The Division of Cardiology and Wallenberg Laboratory. Department of Heart and Lung Diseases. Sahlgrenska University Hospital. Göteborg. Sweden
Abstract
AIM: To describe the occurrence of death, development of acute myocardial infarction and need for hospitalization among patients on the waiting list for coronary artery by pass grafting and percutaneous transluminal coronary angioplasty.
PATIENTS AND METHODS: All the patients on the waiting list for possible coronary revascularization in September 1990 in western Sweden.
RESULTS: Of 718 patients waiting for either coronary artery bypass grafting or percutaneous transluminal coronary angioplasty, 15 (2.1%) died between the actual week in September 1990 and prior to revascularization and 12 (1.7%) developed a non-fatal acute myocardial infarction during the same period. All 15 patients who died before undergoing revascularization died a cardiac death. Death and/or the development of an acute myocardial infarction was significantly more frequent among the elderly, among patients with a low ejection fraction and among patients with a history of diabetes mellitus. In all, 29% required hospitalization prior to the procedure. The most common reason was symptoms of angina pectoris requiring hospitalization in 23% of the patients.
CONCLUSION: Among patients on the waiting list before either coronary artery bypass grafting or percutaneous transluminal coronary angioplasty, 15 (2.1%) died prior to the procedure and 1.7% developed a non-fatal acute myocardial infarction. The risk of either death or developing an acute myocardial infarction was highest among patients in the older age groups, among patients with a history of diabetes mellitus and among patients with a lower ejection fraction.
Key Words: Coronary revascularization • acute myocardial infarction • waiting list • mortality • hospitalization
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