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Multimed Man Cardiothorac Surg. 2014;2014:mmu001. doi: 10.1093/mmcts/mmu001.

Second-generation transapical valves: the Medtronic Engager system.

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  • 1Division of Cardiovascular Surgery, University Hospital Zurich, Zurich, Switzerland.

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.

KEYWORDS:

Aortic valve disease; Second-generation devices; Transapical; Transcatheter aortic valve implantation

PMID:
24568935
DOI:
10.1093/mmcts/mmu001
[PubMed - indexed for MEDLINE]
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