[Abnormal origin of the left coronary artery of the pulmonary artery trunk. Report of 2 cases].

Two cases are presented with anomalous origin of the left coronary artery from the pulmonary artery. Both cases initiate clinical symptoms in the first three months of life, defined by angina and congestive heart failure. In both cases cardiac catheterization showed the existence of anomalous origin of the left coronary artery and underdeveloped collateral circulation. Reimplantation of the anomalous coronary to ascending aorta on the two patients. Has excellent results on the first patient, but not in the second one who died during surgery.