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Am J Cardiol. 1994 Jun 1;73(15):1041-6.

Late results of percutaneous transluminal coronary angioplasty of two or more major native coronary arteries.

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St. Patrick Hospital, Missoula, Montana.


Of 613 consecutive patients with multivessel coronary artery disease (CAD) undergoing revascularization, 521 patients (85%) underwent primary management with percutaneous transluminal coronary angioplasty (PTCA). To examine long-term outcome in a series of patients often referred for coronary artery bypass graft (CABG) surgery, all patients undergoing multivessel dilations were identified for late follow-up analysis (n = 161). Mean age was 65 years; 54 patients (34%) were women. Four hundred fifty-five of 502 lesions (90.6%) were successfully dilated. Major in-hospital procedural complications occurred in 6 patients (3.7%), including death in 3 (1.9%), nonfatal Q-wave myocardial infarction in 2 (1.2%), and CABG in 1 (0.6%). Final follow-up data were available in 159 patients (99%) at a mean of 39 +/- 18 months. Including in-hospital events, actuarial 3-year survival was 93%, and 3-year infarct-free survival was 90%. At final follow-up, 143 of 146 patients alive (98%) were angina free. Crossover to CABG was required in 25 patients (16%). Repeat PTCA was performed in 67 patients (42%) (mean 1.7 PTCAs/patient, range 1 to 7). PTCA is an effective therapeutic alternative in the management of most patients with multivessel CAD requiring revascularization. A strategy using multiple repeated PTCA procedures when necessary results in prolonged infarct-free survival, with long-term freedom from angina and limited crossover to CABG.

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