Observational studyArchives of orthopaedic and trauma surgery2025
Clinical and radiographic outcomes of surgical management for leg length inequality after primary total hip arthroplasty.
Observational study in Archives of orthopaedic and trauma surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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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Who cites it
3 citing papers in PubMed.
- Cemented dual mobility component in newly implanted porous tantalum shells for severe acetabular defects: medium-term outcomes from a high-volume single-surgeon series.Archives of orthopaedic and trauma surgery · 2026Article
- Revision total hip arthroplasty with limb shortening for symptomatic leg length discrepancy: survivorship and clinical outcomes at mean seven-year follow-up.International orthopaedics · 2026Article
- [Leg length discrepancy following total hip arthroplasty : How often and when is it problematic?]Orthopadie (Heidelberg, Germany) · 2025Review
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLimb length inequality (LLI) is a leading cause of patient dissatisfaction and litigation after total hip arthroplasty (THA). However, the surgical treatment of this complication remains controversial. In this retrospective and observational study, we evaluated the results obtained from 31 patients who underwent revision surgery for symptomatic LLI after conservative treatment had failed. Our primary endpoint was the radiographic correction of LLI. Secondary endpoints included assessing the improvement in quality of life (QoL) after surgical treatment [using the Harris Hip Score (HHS) and the 12-item Short Form Survey (SF-12)] and tracking possible complications (e.g., dislocation, residual instability). MATERIALS AND
methodsType of surgery, implanted materials, preoperative sciatic nerve deficit, and the development of postoperative complications were recorded. Radiographic assessment was performed by measuring LLI, Femoral Offset (FO), Acetabular Offset (AO), Global Offset (GO), and height of the Center of Rotation (CORL), and calculating the difference with the contralateral side and postoperative measurements. Clinical assessment was performed by having patients answer to the HHS and the SF-12, which comprises a Physical Component Summary (PCS-12) and a Mental Component Summary (MCS-12).
resultsLLI, GO, and CORL showed a statistically significant variation between preoperatory and postoperatory radiographs. The same was found to apply also to clinical results, the HHS, and the SF-12. Linear regression analysis showed a single association between sex and postoperative HHS. No other association was found to be statistically significant.
conclusionsIn selected patients who have symptomatic structural LLI after primary THA, revision surgery can be a valid approach to restore the proper limb length and to improve the clinical outcomes with an acceptable risk of complications and instability.
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