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. 2012 Aug;15(2):280-1.
doi: 10.1093/icvts/ivs148. Epub 2012 Apr 25.

A supra-annular malposition of the Perceval S sutureless aortic valve: the 'χ-movement' removal technique and subsequent reimplantation

Giuseppe Santarpino  1 , Steffen Pfeiffer, Giovanni Concistrè, Theodor Fischlein
Affiliations

A supra-annular malposition of the Perceval S sutureless aortic valve: the 'χ-movement' removal technique and subsequent reimplantation

Giuseppe Santarpino et al. Interact Cardiovasc Thorac Surg. 2012 Aug.

Abstract

The Perceval S sutureless valve prosthesis has recently been introduced as a new biological aortic valve prosthesis, but a specific learning curve is required, as for every cardiac surgical centre dealing with a new technique. After the removal of the stenotic valve, the prosthetic valve is correctly positioned within the mildly decalcified aortic annulus. When a supra-annular malposition occurs, due to an excessively rapid release of the prosthesis in the aorta or incomplete annular visualization, the Perceval S valve can safely be removed even after balloon dilation. The procedure performed is a 'χ-movement' with the aid of anatomical forceps. If the prosthesis does not show any malformation after the procedure, it can be reimplanted in the correct intra-annular position.

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Figures

None
Supplementary Video 1: An excessively rapid release of the Perceval S bioprosthesis in the supra-annular aortic position. Inspection of the device and the stent traction. The ‘χ-movement’ technique and valve removal. Reimplantation of the same bioprosthetic valve in the correct intra-annular position.
Figure 1:
Figure 1:
Description of the ‘χ-movement’ with the aid of two anatomical forceps.
See this image and copyright information in PMC

References

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