Key result
Transcatheter mitral valve implantation within the anterior mitral valve leaflet resulted in mild postoperative regurgitation and no left ventricular outflow tract obstruction.
Case Report (n=1)
Transapical transcatheter mitral valve implantation within the anterior mitral valve leaflet may be a feasible approach to minimize the risk of left ventricular outflow tract obstruction in high-risk patients.
Potential strategy to mitigate LVOT obstruction risk in high-risk TMVI; leaves open need for prospective validation before clinical adoption.
Transcatheter mitral valve implantation is a relatively novel intervention that replaces the mitral valve of individuals deemed too high-risk or unsuitable for surgery. It is associated with a number of specific risks, including left ventricular outflow tract obstruction. In this report, we present the case of a 75-year-old man who was unable to undergo redo surgical repair and had a number of risk factors for left ventricular outflow tract obstruction. To minimize this risk, we deployed transcatheter mitral valve implantation within the anterior mitral valve leaflet resulting in mild mitral valve regurgitation postoperatively and no left ventricular outflow tract obstruction. Long-term durability of this approach is yet to be determined, but we believe that this intervention adds to the armamentarium of the heart team.
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Rogers et al. (2018) conducted a case report in Mitral valve disease (n=1). Transcatheter mitral valve implantation within the anterior mitral valve leaflet was evaluated on Postoperative mitral valve regurgitation and left ventricular outflow tract obstruction. Transcatheter mitral valve implantation within the anterior mitral valve leaflet resulted in mild postoperative regurgitation and no left ventricular outflow tract obstruction.
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