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Fate of Internal Mammary Artery Grafted to Left Anterior Descending Artery Is Influenced by Native Vessel Stenosis and Viable Myocardium

Department of Cardiology, Cumhuriyet University, School of Medicine, Sivas, mehmet.birhan.yilmaz{at}tkd.org.tr

Yesim Guray, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Hakan Altay, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Burcu Demirkan, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Vedat Caldir, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Umit Guray, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Senay F. Biyikoglu, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Hatice Sasmaz, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Halil L. Kisacik, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

Sule Korkmaz, MD

Department of Cardiology, Yuksek Ihtisas Education and Research Hospital, Ankara Turkey

In this study, factors leading to the failure of internal mammary artery grafting was investigated among patients with coronary bypass. In all, 1323 patients were evaluated. It was found that lower grade diameter stenosis in the native vessel during postoperative angiogram and wall motion score index independently affected the fate of internal mammary artery as a graft. Grafting with internal mammary artery to native vessels with lower grade stenosis and to myocardium with poor wall score might not be a rational approach.

Key Words: coronary artery bypass grafting • internal mammary artery failure • native vessel stenosis • viable myocardium

This version was published on April 1, 2009

Angiology, Vol. 60, No. 2, 201-206 (2009)
DOI: 10.1177/0003319708316010


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