Key result
Three-dimensional transesophageal echocardiography identified a hypoplastic posterior mitral valve leaflet causing severe mitral regurgitation and a concomitant secundum-type atrial septal defect.
Why the study?
Hypoplasia of the posterior mitral valve leaflet is very rare in adulthood and can coexist with other congenital heart defects.
Case Report (n=1)
3D transesophageal echocardiography is essential for the comprehensive assessment of rare adult congenital anomalies like hypoplastic posterior mitral valve leaflet and coexisting defects.
Rare mitral leaflet hypoplasia with ASD may be underrecognized; leaves open questions on prevalence and 3D TOE role in congenital valve disease.
Hypoplasia of the posterior mitral valve leaflet (PMVL) is a very rare finding in adulthood and can coexist with other congenital heart defects. In this image, a transesophageal echocardiography (TOE) carried out on a 59-year-old woman with a 2-month history of dyspnea revealed a hypoplastic PMVL causing severe mitral regurgitation associated with a secundum-type atrial septal defect (ASD) with left-to-right shunting. This case demonstrates how essential 3-dimensional TOE is for a comprehensive assessment of the mitral valve and to improve the diagnostic accuracy of concomitant congenital heart abnormalities.
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Gabaldon-Perez et al. (2020) conducted a case report in Hypoplasia of the posterior mitral valve leaflet and atrial septal defect (n=1). 3-dimensional transesophageal echocardiography was evaluated. Three-dimensional transesophageal echocardiography identified a hypoplastic posterior mitral valve leaflet causing severe mitral regurgitation and a concomitant secundum-type atrial septal defect.
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