Why the study?
Double orifice mitral valve is typically seen as an associated lesion, making its presentation as an isolated entity requiring intervention extremely rare.
Highlights a rare presentation of double orifice mitral valve as an isolated cause of severe congenital mitral regurgitation requiring surgical intervention.
Isolated double orifice mitral valve may cause severe congenital MR needing surgery; hypothesis-generating for this rare entity.
Double orifice mitral valve (DOMV) is a rare congenital anomaly of the mitral valve apparatus consisting of an accessory bridge of fibrous tissue, which partially or completely divides the mitral valve into two orifices. It usually occurs as an associated lesion. Encountering a DOMV as an isolated finding meriting intervention is indeed rare. We, here, report a case of "complete bridging type DOMV" occurring as an isolated entity and presenting as severe congenital MR requiring surgery.
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Pratap et al. (2020) studied this question.
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