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The Annals of Thoracic Surgery, Vol 40, 7-10, Copyright © 1985 by The Society of Thoracic Surgeons

ARTICLES

Aortocoronary bypass following unsuccessful PTCA: experience in 100 consecutive patients

GJ Brahos, NH Baker, HG Ewy, PJ Moore, JW Thomas, PM Sanfelippo, RF McVicker and DJ Fankhauser

This study reviews the experience in a community hospital with aortocoronary bypass in 100 consecutive patients following failed percutaneous transluminal coronary angioplasty (PTCA) in terms of timing of intervention, morbidity, and mortality. Patients undergoing operation within 24 hours of PTCA are defined as the urgent group (68%) and those with intervention at greater than 24 hours, the elective group (32%). Mean interval from PTCA to operation was 43.5 days; among patients with apparently initially successful PTCA and hospital discharge, mean interval to operation was 138 days. Complete revascularization was carried out in all patients using standard techniques. Although the difference was not statistically significant, patients in the urgent group required intraaortic balloon pump support and inotropic infusions more often and experienced greater postoperative blood loss. Significant increases in the use of lidocaine and blood products were noted in the urgent group. The rates of major complications were 54.4% in the urgent group and 18.8% in the elective group. Mortality was 4.4% in the urgent group and 3.1% in the elective group (not significant); all deaths were cardiac related. There were no late deaths among survivors followed for 3 months to 4 years; 86% were in Functional Class I. We conclude that PTCA is a reasonable approach for some patients with ischemic heart disease. However, mandatory urgent aortocoronary bypass in these patients carries an increased morbidity and mortality, and patients should be selected with care.

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