ArticleThe journal of knee surgery2025
No Radiographic Evidence of Medial Collateral Ligament Elongation in Valgus Osteoarthritic Knees Enables Treatment with Kinematically Aligned Total Knee Arthroplasty.
Article in The journal of knee surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Switching From a 6° to a 20° Valgus Prosthetic Trochlear Groove Improved the Forgotten Joint and Oxford Knee Scores After Kinematically Aligned Total Knee Arthroplasty.Arthroplasty today · 2026Article
- Valgus knee deserves personalized total knee arthroplasty.EFORT open reviews · 2026Review
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Authors and funding
5 authors.
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Abstract
When performing caliper-verified kinematically aligned total knee arthroplasty (KA TKA) in the osteoarthritic (OA) knee with valgus deformity, an elongated medial collateral ligament (MCL) could result in a valgus setting of the tibial component. The present study analyzed KA TKA in patients with valgus deformities (i.e., tibiofemoral angle > 10 degrees of valgus) and determined (1) the occurrence of radiographic MCL elongation, (2) the incidence of lateral collateral ligament (LCL) and posterior cruciate ligament (PCL) release and the use of constrained components, and (3) whether the 1-year Forgotten Joint Score (FJS), Oxford Knee Score (OKS), Knee Injury and Osteoarthritis Outcome Score for Joint Replacement (KOOS JR), and Likert satisfaction score were comparable to KA TKAs for OA deformities ≤10 degrees of valgus. One hundred and two consecutive patients who underwent KA TKA by a single surgeon were analyzed radiographically and clinically at a minimum follow-up of 1 year. Radiographic MCL elongation was identified by a greater than 1 degree of valgus orientation of the tibial component relative to the OA tibial joint line. Twenty-six patients had a radiographic anatomic tibiofemoral angle greater than 10 degrees of valgus (range of OA deformity: 11-23 degrees of valgus). Seventy-six had an OA deformity ≤10 degrees of valgus (10-degree valgus to -14-degree varus). No patient had MCL elongation or a ligament release, or required constrained components. The median FJS of 78, OKS of 42, and KOOS JR of 76, and the 85% satisfaction rate of the patients with greater than 10 degrees of OA valgus deformity were not significantly different from those with ≤10 degrees of OA valgus deformity (
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