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Circulation, Vol 77, 638-644, Copyright © 1988 by American Heart Association

ARTICLES

Degree of revascularization in patients with multivessel coronary disease: a report from the National Heart, Lung, and Blood Institute Percutaneous Transluminal Coronary Angioplasty Registry

GS Reeder, DR Holmes Jr, K Detre, T Costigan and SF Kelsey
Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, MN 55905.

There is controversy regarding the application of angioplasty to patients with multivessel disease in whom all significant stenoses are not dilated. We analyzed the outcomes of 286 patients with multivessel disease and prior successful angioplasty at a mean follow-up duration of 26.2 months. End points analyzed included death, myocardial infarction, late revascularization, and angina pectoris. After successful angioplasty, 127 patients had no residual stenoses of 70% or greater (group 1) and 159 patients had one or more residual stenoses of 70% or greater (group 2). Because there were significant differences in baseline risk factors between the two groups, a logistic regression model was used to make the necessary adjustments in the analysis. Adjusted estimates of the risk of death, death/myocardial infarction, or presence of angina pectoris did not differ between the two groups. Group 2 patients, however, had more coronary artery bypass surgery during follow-up, while those in group 1 had more second PTCA procedures. Results suggest that angioplasty can be safely applied to patients with multivessel disease, even when all significant stenoses are not dilated.

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