title: Minimally invasive transapical aortic valve-in-a-valve implantation for severe aortic regurgitation in a degenerated stentless bioprosthesis.
authors: Thessaloniki Heart Institute, St Luke's Hospital, Thessaloniki, Greece. tkelpis@yahoo.com
authors: Timotheos G
authors: TG
authors: Kelpis
authors: Nikolaos E
authors: NE
authors: Mezilis
authors: Vlasis N
authors: VN
authors: Ninios
authors: Antonis A
authors: AA
authors: Pitsis
mesh_terms: D000369:Aged, 80 and over; D001021:Aortic Valve / Q000000981:diagnostic imaging / Q000601:surgery*; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging / Q000601:surgery*; D001705:Bioprosthesis; D006328:Cardiac Catheterization; D017548:Echocardiography, Transesophageal; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male; D019060:Minimally Invasive Surgical Procedures; D011475:Prosthesis Failure; D012086:Reoperation