Spontaneous graft closure in anomalous origin of the left coronary artery.

Several reports of successful correction of anomalous origin of the left coronary artery from the pulmonary artery utilizing a graft to the ascending aorta have demonstrated the feasibility of this procedure. The patient described in this report developed proved delayed occlusion of the saphenous vein graft with a fatal outcome. This was a result of intimal fibrous hyperplasia identical to that seen in adults following the placement of the saphenous vein bypass graft for treatment of atherosclerotic coronary disease.