Why the study?
What factors influence left ventricular outflow tract (LVOT) area reduction after a mitral valve-in-valve (VIV) or a valve-in-ring (VIR) procedure?
What factors influence left ventricular outflow tract (LVOT) area reduction after a mitral valve-in-valve (VIV) or a valve-in-ring (VIR) procedure?
The risk of LVOT obstruction after mitral VIV or VIR procedures is influenced by the type of surgical heart valve, flexible ring, aorto-mitral-annular angle, and depth of transcatheter valve implantation.
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Informs mitral VIV/VIR planning to mitigate LVOT obstruction risk; leaves open validation in human cohorts.
Bapat et al. (2015) studied this question.
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