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Evaluation of Myocardial Revascularization with Arterial Implants: An Objective Study Using Electrocardiography and Maximal Stress Testing

W. E. BLOOMER, M.D.; M. H. ELLESTAD, M.D.; A. J. BELAND, M.D.; J. A. COPE, M.D.; and E. R. PALAREA, M.D.
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▸Requests for reprints should be addressed to William E. Bloomer, M.D., 3440 Atlantic Ave., Long Beach, Calif. 90807


Ann Intern Med. 1970;73(6):913-919. doi:10.7326/0003-4819-73-6-913
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A study was made of 164 patients who had received systemic arterial implants for myocardial revascularization. This included 63 patients with a single Vineberg, 78 with a double Vineberg, and 23 in whom splenic artery implants had been performed with or without internal mammary artery implants. All had preoperative coronary arteriograms, and all but six had preoperative treadmill stress tests. Operative mortality was 6.7%. In 93 patients, all of whom had had positive stress tests preoperatively, comparison was made with postoperative stress tests 6 months to a year after operation. In 28% no ischemia could be demonstrated on maximal stress testing. In an additional 34.4% there was significant improvement. Postoperative angiography of the implants was obtained in 53 patients who had been studied by treadmill stress testing. The stress testing was found to be a more critical objective method of appraisal of functional improvement.

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