title: Severe aortic regurgitation after percutaneous transcatheter aortic valve implantation: on the importance to clarify the underlying pathophysiology.
abstract: Severe symptomatic aortic stenosis in a 90-year-old man was treated with percutaneous aortic valve implantation (TAVI) with a 29-mm CoreValve Revalving system. Following implantation, severe aortic regurgitation occurred. Echocardiography showed a small paravalvular and a huge valvular leakage, probably due to one malfunctioning valve leaflet. Concerning this pathophysiology, a further TAVI was performed using a second 29-mm CoreValve Revalving system, as a "valve-in-valve" implantation.
authors.affiliation: Kardiologie/Pneumologie/Angiologie/Internistische Intensivmedizin, Herzzentrum Ludwigshafen, Germany. erzahn@aol.com
authors.forename: Ralf
authors.initials: R
authors.lastname: Zahn
authors.forename: Rudolf
authors.initials: R
authors.lastname: Schiele
authors.forename: Caroline
authors.initials: C
authors.lastname: Kilkowski
authors.forename: Uwe
authors.initials: U
authors.lastname: Zeymer
mesh_terms: D000369:Aged, 80 and over; D001022:Aortic Valve Insufficiency / Q000209:etiology* / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000503:physiopathology / Q000601:surgery*; D004452:Echocardiography; D019918:Heart Valve Prosthesis Implantation / Q000009:adverse effects* / Q000379:methods; D006801:Humans; D008297:Male; D011183:Postoperative Complications; D012720:Severity of Illness Index