Key result
Surgical excision of a ruptured chordal remnant resolves severe continuous prosthetic MR.
Why the study?
Prosthetic dysfunction from retained native structures after mitral valve replacement with subvalvular preservation is extremely rare, life-threatening, and poorly described.
Population
One 54-year-old man with severe continuous prosthetic mitral regurgitation from chordal rupture
Design
Case report
Authors
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Prompts TEE vigilance for chordal rupture in unexplained prosthetic MR; leaves open questions on incidence after valve-sparing replacement.
Case Report (n=1)
No
Chordal rupture after valve-sparing mitral valve replacement can cause severe continuous prosthetic regurgitation, which can be successfully treated with simple surgical excision of the remnant without requiring prosthesis replacement.
Wang et al. (2026) conducted a case report in Severe continuous prosthetic mitral regurgitation from chordal rupture (n=1). Surgical excision of ruptured chordal remnant was evaluated on Resolution of prosthetic mitral regurgitation. Surgical excision of a ruptured chordal remnant successfully restored normal leaflet function and completely resolved severe continuous prosthetic mitral regurgitation.
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