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Koichi Sughimoto
Kiyoharu Nakano
Akihiko Gomi
Yoshitsugu Nakamura
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Ann Thorac Surg 2006;82:2270-2272
© 2006 The Society of Thoracic Surgeons

Case Reports

Pulmonary Artery Aneurysm With Ascending Aortic Aneurysm Concomitant With Bilateral Bicuspid Semilunar Valves

Koichi Sughimoto, MD*, Kiyoharu Nakano, MD, Akihiko Gomi, MD, Hayao Nakatani, MD, Yoshitsugu Nakamura, MD, Atsuhiko Sato, MD

NTT Kanto MC, Shinagawa-ward, Tokyo, Japan

Accepted for publication April 27, 2006.

* Address correspondence to Dr Sughimoto, NTT Kanto MC, 5-9-22 Higashi-Gotanda, Shinagawa-ward, Tokyo, 141-8625 Japan. (Email: cedarh7dion{at}yahoo.co.jp).

Aneurysm of both the pulmonary trunk and the ascending aorta concomitant with bilateral bicuspid valves is very rare. The reason for the formation of aneurysm with bicuspid semilunar valve is still inconclusive. Surgical repair was performed successfully (ie, aortic valve replacement, graft replacement for the ascending aorta, and plication of the pulmonary artery). Pathology of the pulmonary artery wall did not demonstrate cystic medial necrosis. The hemodynamic turbulence by the bilateral bicuspid valve may cause the formation of aneurysms even at low pressure. This case demonstrates an explanation for aneurysm with the bicuspid valve.




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