Plasma homocysteine levels are related to medium-term venous graft degeneration in coronary artery bypass graft patients.

Objective: Saphenous venous grafts (SVGs) are established choices for coronary artery bypass grafting (CABG); however, their lumen patency is limited. Our goal was to investigate the risk factors of SVG degeneration.

Methods: Seventy-five patients (mean age, 57.