title: New CoreValve Evolut 23 mm technology for treatment of degenerated bioprosthesis.
abstract: The treatment of degenerated surgical bio-prosthetic heart valves (BHV) has been reported as a novel indication for TAVI. The intervention may be complicated by high residual transvalvular gradients and coronary ostia obstruction, especially in small size BHV. We report two cases of BHVs treated with the new CoreValve Evolut 23 mm highlighting the importance of fluoroscopic guidance, based on BHV markers, in achieving a correct TAVI implantation. The small dimensions of the new CoreValve Evolut 23 allowed us to obtain low residual gradients even in this particular subset of degenerated BHV.
authors.affiliation: U.O. Emodinamica e Cardiologia Invasiva, Istituto Clinico Humanitas, IRCCS, Rozzano, Milano, Italy. Electronic address: dennis.zavalloni_parenti@humanitas.it.
authors.forename: Dennis
authors.initials: D
authors.lastname: Zavalloni
authors.affiliation: Department of Cardiovascular Diseases, Mauriziano Hospital, Torino, Italy.
authors.forename: Mauro
authors.initials: M
authors.lastname: De Benedictis
authors.affiliation: U.O. Emodinamica e Cardiologia Invasiva, Istituto Clinico Humanitas, IRCCS, Rozzano, Milano, Italy.
authors.forename: Paolo
authors.initials: P
authors.lastname: Pagnotta
authors.affiliation: Department of Cardiovascular Diseases, Mauriziano Hospital, Torino, Italy.
authors.forename: Innocenzo
authors.initials: I
authors.lastname: Scrocca
authors.affiliation: U.O. Emodinamica e Cardiologia Invasiva, Istituto Clinico Humanitas, IRCCS, Rozzano, Milano, Italy.
authors.forename: Patrizia
authors.initials: P
authors.lastname: Presbitero
mesh_terms: D001705:Bioprosthesis; D005471:Fluoroscopy / Q000295:instrumentation / Q000379:methods; D006350:Heart Valve Prosthesis; D006801:Humans
keywords: Aortic stenosis; Aortic valve replacement; Bioprosthesis degeneration; Interventional cardiology; TAVI