Late-Onset Systolic Anterior Motion After Mitral Valve Repair

Shota Inoue; Hiroshi Nakanaga; Minoru Tabata

doi:10.1016/j.jaccas.2025.106249

November 1, 2025JACC Case ReportsOpen Access

Late-Onset Systolic Anterior Motion After Mitral Valve Repair

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Key Points

Late-onset systolic anterior motion develops years after mitral valve repair, affecting cardiac function.
Significant changes in left ventricular reverse remodeling may exacerbate this condition over time.
Assessment of treatment methods highlighted totally endoscopic ring removal combined with the Alfieri stitch.
This suggests feasible strategies for addressing complications following cardiac surgery, critical for later patient outcomes.

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Implication

Analysis shows that left ventricular reverse remodeling can induce late-onset systolic anterior motion after mitral valve repair, indicating effective interventions are needed.

Abstract

Late-onset SAM can occur years after mitral valve repair owing to leaflet elongation, left ventricular reverse remodeling, and a sigmoid septum. Totally endoscopic ring removal combined with the Alfieri stitch is a feasible and effective treatment.

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Cite This Study

Inoue et al. (2025) studied this question.

synapsesocial.com/papers/692e3d846c9b3ab28c187525 https://doi.org/10.1016/j.jaccas.2025.106249

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Late-Onset Systolic Anterior Motion After Mitral Valve Repair

Key Points

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Implication

Abstract

Discussion

Cite This Study

Late-Onset Systolic Anterior Motion After Mitral Valve Repair

Key Points

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Implication

Abstract

Discussion

Cite This Study

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