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Second-generation transapical valves: The Medtronic Engager system


Sündermann, Simon H; Holzhey, David; Bleiziffer, Sabine; Treede, Hendrik; Jacobs, Stephan; Falk, Volkmar (2014). Second-generation transapical valves: The Medtronic Engager system. Multimedia Manual Cardio-Thoracic Surgery, 2014:online.

Abstract

The Medtronic Engager aortic valve system is a second-generation transcatheter aortic valve implantation bioprosthesis combined with a delivery system designed for over-the-wire transapical implantation of the valve. The self-expandable stent has control arms to be placed into the native aortic sinuses to achieve correct positioning of the bioprosthesis in a predefined height. The purpose of the lower skirt is to reduce paravalvular leakage. A three-leaflet, bovine pericardium valve is mounted on the stent. The implantation is facilitated by the control arms and rotational positioning of the commissural posts. A multicentre feasibility study showed promising results. The results from the following European pivotal trial led to CE mark approval in 2013. Here, we describe technical details of the device and its implantation technique and highlight special steps of the procedure.

Abstract

The Medtronic Engager aortic valve system is a second-generation transcatheter aortic valve implantation bioprosthesis combined with a delivery system designed for over-the-wire transapical implantation of the valve. The self-expandable stent has control arms to be placed into the native aortic sinuses to achieve correct positioning of the bioprosthesis in a predefined height. The purpose of the lower skirt is to reduce paravalvular leakage. A three-leaflet, bovine pericardium valve is mounted on the stent. The implantation is facilitated by the control arms and rotational positioning of the commissural posts. A multicentre feasibility study showed promising results. The results from the following European pivotal trial led to CE mark approval in 2013. Here, we describe technical details of the device and its implantation technique and highlight special steps of the procedure.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiovascular Surgery
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2014
Deposited On:19 Feb 2015 09:55
Last Modified:05 Apr 2016 18:55
Publisher:Oxford University Press
ISSN:1813-9175
Publisher DOI:https://doi.org/10.1093/mmcts/mmu001
PubMed ID:24568935

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