title: Severe Aortic Regurgitation Caused by Unicuspid Aortic Valve Based on Quadricuspid Aortic Valve.
authors.affiliation: Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
authors.forename: Kumiko
authors.initials: K
authors.lastname: Dokuni
authors.affiliation: Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
authors.forename: Hidekazu
authors.initials: H
authors.lastname: Tanaka
authors.affiliation: Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
authors.forename: Yasuhide
authors.initials: Y
authors.lastname: Mochizuki
authors.affiliation: Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
authors.forename: Kensuke
authors.initials: K
authors.lastname: Matsumoto
authors.affiliation: Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Okita
authors.affiliation: Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
authors.forename: Ken-Ichi
authors.initials: K
authors.lastname: Hirata
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging* / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging* / Q000209:etiology* / Q000601:surgery; D003937:Diagnosis, Differential; D017548:Echocardiography, Transesophageal / Q000379:methods*; D006801:Humans; D008297:Male; D016896:Treatment Outcome
keywords: aortic regurgitation; quadricuspid aortic valve; three-dimensional transesophageal echocardiography; unicuspid aortic valve