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  • Title: [Congenital Unicuspid Aortic Valve Diagnosed by Intraoperative Findings].
    Author: Sasaki Y, Sakaguchi M, Bito Y, Suehiro Y, Nishiya K, Inno G, Aratame A.
    Journal: Kyobu Geka; 2018 Dec; 71(13):1081-1083. PubMed ID: 30587746.
    Abstract:
    A unicuspid aortic valve is an extremely rare congenital aortic valvular abnormality. We herein present 2 cases of unicuspid aortic valve diagnosed based on intraoperative findings. In case 1, a 75-year-old man was admitted to our hospital because of severe aortic regurgitation. We performed aortic valve replacement using a bioprosthetic valve, and a unicuspid aortic valve was definitively diagnosed according to the intraoperative findings. In case 2, a 54-year-old man developed dyspnea due to severe aortic stenosis. Aortic valve replacement using mechanical valve was performed, and we were able to diagnose unicuspid aortic valve intraoperatively. Achieving a preoperative definitive diagnosis of congenital unicuspid aortic valve by transthoracic echocardiography is reportedly difficult;however, transesophageal echocardiography may be effective for preoperative definitive diagnosis.
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