title: [Aortic regurgitation due to ruptured fibrous band in the noncoronary cusp: a case report].
abstract: A 67-year-old man with aortic regurgitation underwent aortic valve replacement with a 25 mm St. Jude Medical artificial valve. Intraoperative observation found several ruptured fibrous bands between the noncoronary cusp and sino-tubular ridge over the left noncoronary commissure. The same structure was observed at the left cusp, which were not ruptured. The ascending aorta was dilated to about 4 cm in diameter, so was wrapped with an artificial graft to prevent aneurysmal change. Pathological examination revealed chronic valvulitis and degenerative change at the aortic valve, and idiopathic medial degeneration at the aortic wall.
authors.affiliation: Division of Cardiovascular Surgery, Gunma Prefectural Cardiovascular Center, Maebashi.
authors.forename: T
authors.initials: T
authors.lastname: Kaneko
authors.forename: K
authors.initials: K
authors.lastname: Taniguchi
authors.forename: T
authors.initials: T
authors.lastname: Obayashi
authors.forename: N
authors.initials: N
authors.lastname: Murai
authors.forename: M
authors.initials: M
authors.lastname: Aizaki
authors.forename: T
authors.initials: T
authors.lastname: Tanaka
authors.forename: S
authors.initials: S
authors.lastname: Nagasawa
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000002:abnormalities* / Q000473:pathology / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000209:etiology* / Q000601:surgery; D006341:Heart Rupture / Q000150:complications*; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male