Coronary-artery bypass grafting (CABG), introduced in the 1960s, remains the standard revascularization treatment for complex coronary disease. The left internal thoracic artery, with its excellent patency when used as a graft, is the conduit of choice for anastomosis to the left anterior descending coronary artery.
However, the selection of the second conduit remains a matter of debate. Most CABG procedures are performed with a left internal-thoracic-artery graft and saphenous-vein grafts, despite guidelines advocating the use of more arterial grafts. [...]