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  • Title: Retrograde Transcatheter Closure of Mitral Paravalvular Leak through a Mechanical Aortic Valve Prosthesis: 2 Successful Cases.
    Author: Zhou D, Pan W, Guan L, Qian J, Ge J.
    Journal: Tex Heart Inst J; 2016 Apr; 43(2):137-41. PubMed ID: 27127428.
    Abstract:
    The presence of a mechanical aortic valve prosthesis has been considered a contraindication to retrograde percutaneous closure of mitral paravalvular leaks, because passing a catheter through the mechanical aortic valve can affect the function of a mechanical valve and thereby lead to severe hemodynamic deterioration. We report what we believe are the first 2 cases of retrograde transcatheter closure of mitral paravalvular leaks through a mechanical aortic valve prosthesis without transseptal or transapical puncture. Our experience shows that retrograde transcatheter closure of mitral paravalvular leaks in this manner can be an optional approach for transcatheter closure of such leaks, especially when a transapical or transseptal puncture approach is not feasible. This technique might also be applied to other transcatheter procedures in which there is a need to pass a catheter through a mechanical aortic valve prosthesis.
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