Endovascular resection of the native aortic valve before transcatheter aortic valve implantation: state of the art and review.

Autor:	Navarra E; Cardiovascular and Thoracic Surgery Department, Saint-Luc Hospital, Catholic University of Louvain Brussels, Belgium emiliano.navarra@uclouvain.be., Mosala Nezhad Z; Cardiovascular and Thoracic Surgery Department, Saint-Luc Hospital, Catholic University of Louvain Brussels, Belgium., Bollen X; Center for Research in Mechatronics, Catholic University of Louvain, Leuven la Neuve, Belgium., Gielen CE; Cardiovascular and Thoracic Surgery Department, Saint-Luc Hospital, Catholic University of Louvain Brussels, Belgium., Mastrobuoni S; Cardiovascular and Thoracic Surgery Department, Saint-Luc Hospital, Catholic University of Louvain Brussels, Belgium., De Kerchove L; Cardiovascular and Thoracic Surgery Department, Saint-Luc Hospital, Catholic University of Louvain Brussels, Belgium., Raucent B; Center for Research in Mechatronics, Catholic University of Louvain, Leuven la Neuve, Belgium., Astarci P; Cardiovascular and Thoracic Surgery Department, Saint-Luc Hospital, Catholic University of Louvain Brussels, Belgium.
Jazyk:	angličtina
Zdroj:	European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery [Eur J Cardiothorac Surg] 2016 Sep; Vol. 50 (3), pp. 406-10. Date of Electronic Publication: 2016 Mar 31.
DOI:	10.1093/ejcts/ezw027
Abstrakt:	Transcatheter aortic valve implantation was introduced into clinical practice in 2002 as a rescue approach in patients presenting with symptomatic severe aortic stenosis but not eligible for conventional aortic valve replacement. This technique allows implantation of a balloon expandable bioprosthesis without resection of the native aortic valve. Several complications are described as a consequence of the residual highly calcified valve being squeezed against the aortic wall by the stent of the implant. This can result in deformation of the metal stent and paravalvular leakage, risk of occlusion of the coronary ostia, or central and peripheral embolization of valvular debris. To avoid these complications, many authors suggest the possibility to resect and remove the native aortic valve before transcatheter aortic valve implantation. In this field, different authors have described possible techniques and different sources of energy to resect the calcified valve. In this article, we review the development of these experimental techniques and discuss future prospects in this field. (© The Author 2016. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.)
Databáze:	MEDLINE
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