Objective\ To search for suitable and multiple arterial grafts for myocardial revascularization, in order to avoid the long term problems of vein graft atherosclerosis.

• 目的为了克服大隐静脉长期通畅率不佳的问题,在冠状动脉旁路移植术中寻求多动脉材料做旁路移植术。