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[Off-pump surgery for coronary-pulmonary artery fistula with giant coronary aneurysm; report of a case].

A 60-year-old male was referred to our hospital due to suspected chronic heart failure. He also had a symptom of ischemic heart disease. The multi-detector row computed tomography (MDCT) demonstrated the coronary-pulmonary artery fistula with a giant coronary aneurysm, which was partly thrombosed. Two abnormal arteries to the aneurysm and the outflow to the pulmonary artery were clearly detected. Intraoperative epicardial echocardiography revealed the complete interruption of blood flow and the thrombus formation in the coronary aneurysm, that was achieved just by ligation of 2 arteries under off-pump surgery. Generally, congenital coronary-pulmonary artery fistula has complex morphological variations. In this case, MDCT and epicardial echocardiography were useful for the surgical decision-making to avoid the residual and/or the recurrent fistula.