Coronary-pulmonary artery fistula arising distal to obstructive coronary lesions.

We report 2 cases of coronary-pulmonary artery fistulae (CPF) arising distal to obstructive coronary artery disease. The fistula in the first patient was in the form of a tortuous dilatation of the distal portion of the right coronary artery and opened into the right pulmonary artery. In the second case, the fistula, a plexus of vessels, arose from the left anterior descending artery and entered the left pulmonary artery. Both the fistulae were successfully ligated at the time of concurrent coronary artery bypass graft surgery.