Non-Infected False Aneurysm of the Ascending Aorta Eight Years After Aortic Valve Surgery

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Abstract
The development of false aneurysm of the ascending aorta 8 yr following the repair of congenital aortic stenosis is described. A 14 yr old male patient had congenital aortic stenosis in 1966 after medical check-up and subsequently was operated upon. The postoperative period was complicated by remittent fever of 1 mo. duration, which was finally controlled by antibiotics. Arterial blood cultures taken on a few occasions were negative. Eight years and 5 mo. after surgery, he was noticed to have a mediastinal mass around the base of the heart and the presence of false aneurysm was confirmed by aortography. Aneurysmectomy was carried out almost 9 yr after the previous operation; the aneurysm was arising from the suture line of the aortotomy with communication to the aorta at the bottom of the aneurysm. Postoperatively, patient''s recovery was uneventful and he was discharged on the 23rd postoperative day. Etiology, timing of operation and techniques utilizing hypothermia and/or circulatory arrest are discussed.

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