Key result
A rare congenital mitral anomaly consisting of a direct attachment of the anterolateral papillary muscle to the anterior mitral leaflet was identified and labeled as a hemi-arcade.
Case Report
Describes a rare congenital mitral valve anomaly termed a 'hemi-arcade', expanding the known spectrum of mitral arcade anomalies.
Alerts clinicians to hemi-arcade variant in congenital mitral disease; extends arcade anomaly spectrum but remains hypothesis-generating.
Congenital anomalies of the mitral valve are rare. A mitral arcade is defined as a fibrous continuity between the papillary muscles and the anterior mitral leaflet creating a hammock like suspension. We present images of a mitral anomaly that consists of a direct attachment of the anterolateral papillary muscle to the anterior mitral leaflet, which we have labeled as a "hemi-arcade." We discuss the surgical findings and review the available literature regarding a mitral "arcade".
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Deo et al. (2012) conducted a case report in Congenital anomaly of the mitral valve. Mitral hemi-arcade was evaluated. A rare congenital mitral anomaly consisting of a direct attachment of the anterolateral papillary muscle to the anterior mitral leaflet was identified and labeled as a hemi-arcade.
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