Early postoperative development of aortic regurgitation related to pannus ingrowth causing incomplete disc seating of a Björk-Shiley prosthesis.
D000743:Anemia, Hemolytic / Q000209:etiology; D001021:Aortic Valve / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000209:etiology*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012086:Reoperation