Although the self great saphenous vein is the most widely used material in coronary artery bypass surgery(CABG),the lower unobstruction rate always harass the surgeons.

• 在冠状动脉旁路移植术(CABG)中自体大隐静脉是临床应用最广泛的血管材料,但移植静脉的通畅率一直是困扰心血管外科的难题。