ArticleCureus2026
Medial Collateral Ligament Rupture in Medial-Pivot Total Knee Arthroplasty.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A medial collateral ligament (MCL) rupture is an uncommon yet significant complication following total knee arthroplasty (TKA), potentially resulting in instability and accelerated prosthetic wear, particularly after medial-pivot total knee arthroplasty (MP-TKA). Complete ruptures are typically managed with direct repair, ligament reconstruction, or revision to a more constrained prosthetic implant. The primary objective is to restore knee stability while maintaining implant durability. We report the case of a 72-year-old woman with sarcopenic obesity who sustained an MCL rupture following MP-TKA performed for valgus knee osteoarthritis. The patient was successfully treated with revision to a more constrained prosthesis. MP-TKA relies on medial compartment congruency and soft-tissue integrity, particularly that of the MCL, to ensure joint stability and restore normal knee kinematics. This case highlights the management of MCL failure after MP-TKA in a patient with sarcopenic obesity. Revision to a constrained prosthesis may represent the most appropriate treatment option.
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