Circulation, Vol 63, 785-792, Copyright © 1981 by American Heart Association
RM Norris, TM Agnew, PW Brandt, KJ Graham, DG Hill, AR Kerr, JB Lowe, AH Roche, RM Whitlock and BG Barratt-Boyes
A randomized trial of surgical vs nonsurgical management was carried out in
men 60 years of age or younger who had recovered from a recurrent
myocardial infarction. Of 205 patients considered, 100 had few or no
symptoms and had coronary vessels favorable for bypass grafting; these
patients fulfilled the trial conditions and were randomized (50 surgical
and 50 nonsurgical). In 41 patients (elective nonsurgical group),
randomization was not considered justifiable because of relatively
unfavorable coronary anatomy or severe left ventricular dysfunction.
Nineteen patients had elective surgery because of disabling angina despite
full medical treatment or because of significant left main coronary
stenosis. In 45 patients, coronary angiography was not undertaken because
of medical contraindications or reluctance of the patient to enter the
study. Actuarial survival curves (mean follow-up 4.5 years) show an annual
mortality rate of 3-4% per year for all investigated patients, and no
advantage for the randomized surgical over the randomized nonsurgical
group. The results suggest that in the absence of disabling angina or left
main coronary artery stenosis, coronary artery surgery need not be advised
for survivors of recurrent infarctions who have severe coronary artery
disease. Moreover, the prognosis for the group of patients not treated
surgically appears to be better than has been previously described.
ARTICLES
Coronary surgery after recurrent myocardial infarction: progress of a trial comparing surgical with nonsurgical management for asymptomatic patients with advanced coronary disease
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