A 14-month-old boy who underwent operation for ventricular septal defect pa
tch closure and debanding of the pulmonary artery presented with arterial d
esaturation in the early postoperative period. Angiography confirmed the ec
hocardiographic findings of hemodynamically significant main pulmonary arte
ry-left atrial fistula. This communication was successfully closed surgical
ly. (C) 2000 by The Society of Thoracic Surgeons.