Use of the internal mammary artery graft in Northern New England. Northern New England Cardiovascular Disease Study Group

There is evidence that patients who receive an internal mammary artery graft (IMA) during coronary artery bypass surgery have increased long-term survival. However, an IMA is not used in all patients. We studied the use of IMA grafts among 7944 patients undergoing initial, isolated coronary artery b...

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Published in:Circulation (New York, N.Y.) N.Y.), 1997-11, Vol.96 (9 Suppl), p.II-32-6; discussion II-37
Main Authors: Leavitt, B J, Olmstead, E M, Plume, S K, Charlesworth, D C, Maislen, E L, James, T W, Baribeau, Y R, Quinn, R, O'Connor, G T
Format: Article
Language:English
Subjects:
Aged
Cohort Studies
Female
Humans
Male
Middle Aged
Myocardial Revascularization
Prospective Studies
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Summary:There is evidence that patients who receive an internal mammary artery graft (IMA) during coronary artery bypass surgery have increased long-term survival. However, an IMA is not used in all patients. We studied the use of IMA grafts among 7944 patients undergoing initial, isolated coronary artery bypass surgery in Maine, New Hampshire, and Vermont from 1992 to 1995. Overall, the IMA graft was used in 82% of patients; of these, 97.2% had left IMA grafts. The use of the IMA graft varied considerably by patient and disease factors. Women received an IMA graft significantly less often (76% versus 85% in men, P or =75 years) were less likely to receive an IMA graft (67% versus 86%, P
ISSN:0009-7322