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September 17, 1982

Surgery for Evolving Myocardial Infarction

JAMA. 1982;248(11):1325-1328. doi:10.1001/jama.1982.03330110021018

One hundred fifty-six patients underwent emergency coronary revascularization during the early phases of evolving myocardial infarction (MI). There were six hospital deaths (3.8%) and two later deaths (1.3%). Thrombectomy of the MI artery was achieved in 79% of the patients, and 17% of the patients showed no observable lesion in the MI vessel on restudy. Graft patency was 99%. Late follow-up to 62 months disclosed 17 patients with residual limitations. Analysis of the data established criteria for recognizing patients with early MI who would benefit from surgical therapy. The criteria are derived by comparing preoperative and postoperative ventricular anatomy, creatine phosphokinase levels, and hemodynamics.

(JAMA 1982;248:1325-1328)