Key result
Edge-to-edge repair eliminates systolic anterior motion and mitral regurgitation without causing significant mitral stenosis.
Why the study?
Abnormal chordae of the mitral valve associated with systolic anterior motion and papillary muscle displacement is an uncommon clinical scenario requiring effective repair strategies.
Case Report (n=1)
No
Answers are grounded in this paper and cite their sources.
Supports Alfieri stitch in select SAM cases with papillary displacement; leaves open broader efficacy and durability.
A case of abnormal chordae of the mitral valve (MV) associated with systolic anterior motion (SAM) is not commonly encountered in clinical practice. Here we report MV repair via the edge-to-edge technique in a 56-year-old male with MV regurgitation associated with papillary muscle displacement and posterior leaflet prolapse. Echocardiography revealed obstruction of the left ventricular outflow tract caused by SAM because of papillary muscle displacement and mitral regurgitation associated with posterior leaflet prolapse due to chordae rupture. MV repair was successfully performed by reconstruction with an Alfieri stitch. The outcome of this case demonstrated that this surgical technique is preferable for MV abnormalities with no complex malformations.
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Okada et al. (2017) conducted a case report in Mitral Valve Regurgitation with Papillary Muscle Displacement and Posterior Leaflet Prolapse (n=1). Mitral valve repair via edge-to-edge technique (Alfieri stitch) was evaluated on Resolution of mitral regurgitation and systolic anterior motion. Mitral valve repair using the edge-to-edge technique (Alfieri stitch) successfully eliminated systolic anterior motion and mitral regurgitation without causing significant mitral stenosis.
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