Transcatheter coiling of saphenous vein graft to coronary sinus after coronary artery bypass surgery: a case report.

Unintended graft anastamosis to coronary veins after coronary artery bypass surgery is an extraordinarily rare complication. The following case report involves the unintended grafting of a saphenous vein to the coronary sinus rather than the intended arterial target during coronary artery bypass surgery, and the subsequent physiologic consequences and clinical management.