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Circulation, Vol 72, 1314-1320, Copyright © 1985 by American Heart Association

ARTICLES

Coronary angioplasty of multiple vessels: short-term outcome and long- term results

MJ Cowley, GW Vetrovec, G DiSciascio, SA Lewis, PD Hirsh and TC Wolfgang

Experience with percutaneous transluminal coronary angioplasty (PTCA) of multiple vessels was reviewed to assess short-term outcome and long- term results. PTCA of multiple vessels was performed in 100 of the initial 500 patients (20%) who underwent PTCA at the Medical College of Virginia between July 1979 and August 1984. Eighty-nine percent had class 3 or 4 angina, and 66% had unstable angina. Two-thirds had severe stenosis of two vessels or major branches and one-third had three- vessel disease. One or more significant lesions were dilated in two vessels in 84 patients, in three vessels in 14 patients, and in four vessels in two patients. PTCA of 273 lesions (2.7/patient) was attempted (range two to eight per patient) with angiographic success in 250 lesions (91.6%). Primary success (angiographic and clinical improvement) was achieved in 95 of 100 patients (95%); 84% had success in multiple vessels, and 79% had success in all attempted lesions. Complications occurred in 11 patients (11%); four patients (4%) underwent urgent bypass surgery and four additional patients (4%) had myocardial infarction. Long-term results were assessed in 44 patients with primary success who had follow-up of more than 1 year (mean 26 months) after multiple-vessel PTCA. Twenty-eight patients (64%) remain event-free and improved and 48% are event-free and asymptomatic. Clinical recurrence developed in 15 patients (34%); four had sustained improvement with repeat PTCA, three remain improved with medical therapy, and eight (18%) have undergone bypass surgery during follow- up. One patient (2.3%) developed late myocardial infarction, and deaths have occurred in the follow-up cohort.(ABSTRACT TRUNCATED AT 250 WORDS)

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