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  • Title: [Surgical treatment of coronary artery-pulmonary artery fistula].
    Author: Sugimoto T, Ogawa K, Asada T, Mukohara N, Higami T, Obo H.
    Journal: Nihon Kyobu Geka Gakkai Zasshi; 1993 Sep; 41(9):1528-34. PubMed ID: 8409609.
    Abstract:
    We experienced 4 cases of left coronary artery-pulmonary artery fistula. Two cases had small fistulas associated with atherosclerotic coronary lesions, and the other 2 had large fistulas with aneurysmal enlargement. In the former 2 cases, ligation of the fistulas and closure of the opening of fistula into the pulmonary artery through pulmonary arteriotomy were performed together with coronary artery bypass grafting and left ventricular aneurysmectomy. In one of the latter 2 cases, the fistula arising from the anterior descending branch was ligated and the opening of fistula draining into the pulmonary artery was closed through pulmonary arteriotomy. In another case, both openings of the fistula into the anterior descending branch and the pulmonary artery were closed from inside through incision of the dilated fistula. In all 4 cases, operations were performed using cardiopulmonary bypass and retrograde coronary perfusion, which could afford good heart protection even in cases with coronary lesions and coronary steal phenomenon. All cases went an uneventful postoperative course. Postoperative angiograms showed disappearance of the fistulas in 3 cases. In one case, however, residual fistula was found because a fine fistula might be overlooked. In such a case with complicated fistulas with aneurysmal enlargement, fistulas should be examined carefully through incision of the enlarged anomalous vessels. In this paper, diagnosis, operative indication and treatment for coronary artery-pulmonary artery fistula were discussed.
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