The 'Valve Racket': a new and different concept of atrioventricular valve repair

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Abstract

Objective: Mitral regurgitation due to prolapse of the mitral leaflets frequently compromises annuloplasty repair procedures. We present a new annuloplasty ring that overcomes this difficulty, preventing displacement of the leaflets into the atrium. Methods: The 'Valve Racket' is a prosthetic ring transformed into a racket by means of handmade mesh using expanded polytetrafluoroethylene (ePTFE Gore-Tex). After transection of the marginal chordae tendineae, five sheep had the new racket implanted in the mitral (n = 3) and in the tricuspid position (n = 2). The surviving sheep underwent postoperative evaluation. Results: After six months of operation, a standard transthoracic study showed competent valves without significant gradients and without residual valve regurgitation. The ring appeared encapsulated by a uniform fibrous tissue but the threads showed a completely denuded surface except in the zone proximal to the ring. Thrombi or calcification deposits in the ring, racket's mesh, or cardiac chamber were not observed. Conclusion: This initial experience confirmed the efficacy and simplicity of the technique. © 2006 Elsevier B.V. All rights reserved.

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APA

Bernal, J. M., García, I., Morales, D., Diago, C., Ruiz, B., Val, F., … Revuelta, J. M. (2006). The “Valve Racket”: a new and different concept of atrioventricular valve repair. European Journal of Cardio-Thoracic Surgery, 29(6), 1026–1029. https://doi.org/10.1016/j.ejcts.2006.02.067

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