ArticleJournal of experimental orthopaedics2025
Changes in coronal plane alignment of the knee classification do not significantly influence outcomes after restricted kinematic alignment total knee arthroplasty.
Article in Journal of experimental orthopaedics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Patellar tracking and patellar tilt in kinematic versus mechanical knees.Journal of experimental orthopaedics · 2026Article
- Medial-pivot total knee arthroplasty demonstrates more constrained mid-flexion gait kinematics than posterior-stabilised total knee arthroplasty under standardised soft-tissue balancing: A randomised controlled trial with a healthy reference cohort.Journal of experimental orthopaedics · 2026Article
- Changes in coronal plane alignment of the knee classification do not significantly influence outcomes after restricted kinematic alignment total knee arthroplasty.Journal of experimental orthopaedics · 2025Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: The coronal plane alignment of the knee (CPAK) classification helps understand knee alignment variability, guiding personalised total knee arthroplasty (TKA) strategies. However, evidence regarding the impact of postoperative CPAK classification changes on patient-reported functional outcomes after restricted kinematic alignment (rKA) TKA remains limited. This study aimed to investigate whether CPAK classification changes after TKA with rKA influence functional outcomes, measured by the International Knee Society score (IKS). Methods: A retrospective cohort study included 464 patients who underwent primary TKA with a posterior stabilised implant (KNEO Results: A significant redistribution of CPAK classifications was observed postoperatively ( Conclusions: Changes in CPAK classification following rKA-TKA were common but did not significantly influence functional outcomes at 2 years. These findings suggest that CPAK phenotype transition alone may not be a reliable predictor of clinical success, although larger studies are needed to explore subtype-specific effects. Level of Evidence: Level IV.
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