Bioprosthetic mitral structural valve degeneration (SVD) often requires surgical mitral valve replacement (redo-SMVR), which is associated with significant mortality and morbidities. Transcatheter mitral valve-in-valve (MVIV) and valve-in-ring (MVIR) replacement are… Click to show full abstract
Bioprosthetic mitral structural valve degeneration (SVD) often requires surgical mitral valve replacement (redo-SMVR), which is associated with significant mortality and morbidities. Transcatheter mitral valve-in-valve (MVIV) and valve-in-ring (MVIR) replacement are now feasible but data comparing
               
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