Highlights the risk of progressive LVOT obstruction following percutaneous closure of a mitral paravalvular leak near the aortomitral curtain, particularly in patients with a pre-existing small mechanical aortic valve.
May prompt pre-procedural LVOT assessment in mitral PVL cases with small aortic valves; hypothesis-generating for complication rates in larger cohorts.
We report a rare case of progressive left ventricular outflow tract (LVOT) obstruction after percutaneous device closure of a mechanical prosthetic mitral valve (MV) paravalvular leak (PVL) in the region of aortomitral curtain in a patient who also had small mechanical aortic valve prosthesis with patient-prosthesis mismatch.
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Chikkabyrappa et al. (2016) studied this question.
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