A 77-year-old man was admitted to a regional hospital to undergo investigation of abnormal electrocardiographic findings. Coronary angiography revealed 99% stenosis of the right coronary artery(RCA) segment 3 and 75% stenosis of the left anterior descending artery (LAD)segment 7. Left ventriculography revealed an aneurysm at the inferior wall of the left ventricle. On computed tomography and echocardiography, a saccular aneurysm at the inferior wall, 15 mm in diameter, was observed. Under the suspicion of a ventricular false aneurysm resulting from myocardial infarction, aneurysmectomy, patch closure of the aneurysmal orifice and coronary artery bypass grafting to the LAD and RCA were performed. No pericardial adhesion to the ventricular aneurysm was observed. His postoperative course was uneventful, and he was discharged from the hospital on the 28th postoperative day in good condition. The pathological examination revealed residual cardiomyocytes with the aneurysmal wall.
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