Is it time for a systematic and objective assessment of knee laxity? The impact of objective knee laxity after TKA on patient-reported outcomes: a comprehensive review - Summary - MDSpire

Is it time for a systematic and objective assessment of knee laxity? The impact of objective knee laxity after TKA on patient-reported outcomes: a comprehensive review

  • By

  • Hannes Vermue

  • Victor Klincke

  • Lenka Stroobant

  • Thomas Tampere

  • Jan Victor

  • Nele Arnout

  • June 25, 2026

  • 0 min

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Objective:

To synthesize evidence regarding the link between objective sagittal and coronal laxity, and patient-reported outcome measures (PROMs) and clinical outcomes following primary total knee arthroplasty (TKA).

Approach:
  • Literature Search: Conducted a keyword search in Pubmed/MEDLINE and Embase databases for articles related to TKA and knee laxity from inception up to October 15th, 2024, using specific keywords.
Key Findings:
  • A total of 34 studies were included after screening 6873 articles.
  • Significant variability in risk of bias was observed across studies, with scores ranging from 10 to 15.
Interpretation:

The review discusses the objective assessment of knee laxity in relation to patient-reported outcomes following TKA, noting that ideal laxity ranges remain inconclusive.

Limitations:
  • Heterogeneity between studies prevented a systematic review.
  • Lack of large cohort studies linking PROMs and stability.
Conclusion:

The review emphasizes the need for further research to establish clear links between knee laxity measurements and patient outcomes post-TKA.

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