An Adult Case of Unicommissural Unicuspid Aortic Valve Diagnosed Based on the Intraoperative Findings

Tetsuo Yamanaka, Toru Fukatsu, Yoshimaro Ichinohe, Hirotaka Komatsu, Masahiro Seki, Kenichi Sasaki, Hideaki Takai, Takashi Kunihara, Yasunobu Hirata
2016 Internal medicine (Tokyo. 1992)  
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
more » ... acement 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.
doi:10.2169/internalmedicine.55.6861 pmid:27629961 fatcat:u6swfqyys5dzfdxinjnkqtiane