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J Am Coll Cardiol, 1999; 34:532-538
© 1999 by the American College of Cardiology Foundation
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Effects of coronary artery bypass grafting using internal mammary arteries for diabetic patients

Takashi Hirotani, MDa, Tadashi Kameda, MDa, Takayuki Kumamoto, MDa, Shogo Shirota, MDa and Mototugu Yamano, MDa

a Department of Cardiovascular Surgery, Tokyo Saiseikai Central Hospital, Tokyo, Japan



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Figure 1 Overall survival curves, cardiac death–free curves and cardiac event–free curves were compared by using the Kaplan–Meier method between nondiabetic and diabetic patients. DM = diabetes mellitus.

 


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Figure 2 Overall survival curves, cardiac death–free curves and cardiac event–free curves in nondiabetic patients were compared according to conduits used for coronary revascularization. Internal mammary artery (IMA) grafts conferred no long-term benefit to nondiabetic patients.

 


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Figure 3 Overall survival curves, cardiac death–free curves and cardiac event–free curves in diabetic patients were compared according to conduits used for coronary revascularization. In each of these curves, it was demonstrated that diabetic patients who underwent coronary artery bypass grafting with at least one internal mammary artery (IMA) graft received significantly more benefit than those with saphenous veins alone (p < 0.01).

 




 
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