Which autologous vessel has the best long-term patency rate when used as a graft in a coronary artery bypass graft procedure?
a. Saphenous vein
b. Radial artery
c. Internal mammary artery (IMA)
d. Popliteal vein
ANS: C
An arterial conduit is preferred, especially the internal mammary artery (IMA) because of its long-term patency rate.
Health Professions
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