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November 14, 2025Orthopaedic Proceedings

Displacement of Centre of Rotation May Impact Patient Functional Outcomes Post Total Hip Arthroplasty

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Authors

STS. TALEBACA. ChenAAAllen A

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Implication

Observational study links centre of rotation displacement to joint instability and lower Harris Hip scores in patients post total hip arthroplasty, indicating potential complications.

Key Points

  • To evaluate how displacement of the centre of rotation affects functional outcomes in patients undergoing total hip arthroplasty.
  • Used direct anterior approach for total hip arthroplasty
  • Measuring centre of rotation preoperatively and postoperatively
  • Collected functional outcomes using WOMAC and Harris Hip scores
  • Measured limb length discrepancy and pelvic tilt in patients
  • Evaluated 65 patients with demographic data collected
  • Medial centre of rotation displacement negatively correlated with WOMAC and Harris Hip scores
  • Overall centre of rotation displacement linked to lower Harris Hip scores
  • High-risk participants showed significantly lower function in WOMAC and Harris Hip assessments compared to low-risk
  • No other outcome measures showed significant correlations
  • Superior displacement weakly correlated with limb length discrepancy

Cite This Study

TALEB et al. (2025) studied this question.

synapsesocial.com/papers/692519a7c0ce034ddc353fadhttps://doi.org/10.1302/1358-992x.2025.13.070
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The optimal centre of rotation for total hip arthroplasty in patients with unilateral Hartofilakidis type B developmental dysplasia of the hip2025 · 2 citations
  2. 2Impact of acetabular roof’s angle on precision of cup center of rotation reproduction and placement in total hip arthroplasty2024 · 2 citations
  3. 3Femoral and Global Femoral Offset, but not Anteroposterior Offset, to Improve Postoperative Outcomes Following Total Hip Arthroplasty: Considerations Independent of the Contralateral Side.2025
  4. 4Effect of changes in the centre of rotation after hip arthroplasty on knee joint function2024
  5. 5Assessment of Cup Placement Impact on Functional Outcomes in Total Hip Replacement: A Retrospective Analysis of 20 Patients2024