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Case Reports
. 2021 Jan;10(1):e1-e5.
doi: 10.1055/s-0040-1721483. Epub 2021 Jan 19.

Allegra Transcatheter Heart Valve inside a Degenerated Sutureless Aortic Bioprosthesis

Maximilian Vondran  1   2 , Bernd Abt  3 , Holger Nef  3   4 , Ardawan J Rastan  1   2
Affiliations
Case Reports

Allegra Transcatheter Heart Valve inside a Degenerated Sutureless Aortic Bioprosthesis

Maximilian Vondran et al. Thorac Cardiovasc Surg Rep. 2021 Jan.

Abstract

Transcatheter aortic valve-in-valve implantation (VIV) is increasingly being used to successfully treat degenerated surgical aortic valve bioprostheses (SAVs). The new self-expanding transcatheter heart valve Allegra, from New Valve Technology with its special implantation mechanism, has proven its safety and feasibility for patients with degenerated SAVs, but it has never been used in the latest-generation sutureless SAV. To the best of our knowledge, this is the first description of the successful VIV of the Allegra prosthesis into a degenerated sutureless SAV, and the procedure yielded an excellent postinterventional hemodynamic results.

Keywords: aortic valve and root; cardiology/cardiologist; heart valve; percutaneous; reoperation; transapical.

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Conflict of interest statement

Conflict of Interest None declared.

Figures

Fig. 1
Fig. 1
Multilayer spiral computed tomography. Annulus plane of the sutureless surgical aortic valve bioprostheses ( A ), right coronary (RC) ostium height ( B ), stent frame of the surgical sutureless aortic valve bioprosthesis (NC = non-coronary) ( C ), left coronary (LC) ostium height ( D ).
Fig. 2
Fig. 2
Multilayer spiral computed tomography. Volume rendering of the aortic root with the sutureless SAV inside. Ascending aorta ( A ), stent frame of the surgical sutureless aortic valve bioprosthesis ( B ), aortic annulus ( C ), left ventricular outflow tract ( D ), left ventricle ( E ), and left atrium ( F ).
Fig. 3
Fig. 3
Fluoroscopy of the transcatheter aortic valve-in-valve implantation procedure. Preimplantation aortography ( A ), predilatation valvuloplasty ( B ), permaflow mode ( C ), tip-release ( D ); final result ( E ), and postimplantation aortography ( F ).
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