non-infectious pseudoaneurysm of ascending aorta following redo-aortic valve replacement

a 46 year old man had been undergone aortic valve replacement (avr) due to mechanical aortic valve endocarditis two month ago. he was referred to imam khomeini hospital because of dyspnea since two weeks ago. echocardiography showed the false aneurysm, with an area of flow beyond the lumen of the aorta. this patient underwent reoperation, the previously implanted aortic valve was removed, meticulous debridement was performed in aortic valve annulus and adjacent part of the ascending aorta, and aortic valve and root replacement were performed.