title: An Adult Case of Unicommissural Unicuspid Aortic Valve Diagnosed Based on the Intraoperative Findings.
abstract: We herein report an adult case of unicommissural unicuspid aortic valve (UAV). A 59-year-old man, who was noted to have a cardiac murmur at 31 years of age, was admitted to our hospital due to acute heart failure. Severe calcification in the aortic valve with severe low-flow/low-gradient aortic stenosis and moderate aortic regurgitation was observed and thought to be the cause of heart failure, however, the etiology of aortic valve dysfunction was not clear. Aortic valve replacement was subsequently performed, and unicommissural UAV was diagnosed according to the intraoperative findings. UAV is very rare congenital aortic valve disease which is rarely diagnosed preoperatively.
authors.affiliation: Department of Cardiovascular Medicine, Tokyo Teishin Hospital, Japan.
authors.forename: Tetsuo
authors.initials: T
authors.lastname: Yamanaka
authors.forename: Toru
authors.initials: T
authors.lastname: Fukatsu
authors.forename: Yoshimaro
authors.initials: Y
authors.lastname: Ichinohe
authors.forename: Hirotaka
authors.initials: H
authors.lastname: Komatsu
authors.forename: Masahiro
authors.initials: M
authors.lastname: Seki
authors.forename: Kenichi
authors.initials: K
authors.lastname: Sasaki
authors.forename: Hideaki
authors.initials: H
authors.lastname: Takai
authors.forename: Takashi
authors.initials: T
authors.lastname: Kunihara
authors.forename: Yasunobu
authors.initials: Y
authors.lastname: Hirata
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000150:complications / Q000000981:diagnostic imaging* / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000209:etiology / Q000503:physiopathology / Q000601:surgery*; D002114:Calcinosis / Q000150:complications / Q000000981:diagnostic imaging* / Q000503:physiopathology; D017548:Echocardiography, Transesophageal; D006333:Heart Failure / Q000150:complications / Q000503:physiopathology / Q000601:surgery*; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D016896:Treatment Outcome