ArticleJournal of orthopaedic research : official publication of the Orthopaedic Research Society2017
Changes in chondrolabral mechanics, coverage, and congruency following peri-acetabular osteotomy for treatment of acetabular retroversion: A patient-specific finite element study.
Article in Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 16 citations in OpenAlex.
- Combined Arthroscopic Acetabular Labral Reconstruction With Dermal Allograft Hip Capsular Reconstruction.Arthroscopy techniques · 2026Article
- Regression of focal acetabular rim ossifications after periacetabular osteotomy.Journal of experimental orthopaedics · 2026Article
- Increased correction of lateral centre edge angle after periacetabular osteotomy is associated with a reduction in hip flexion and internal rotation: A three-dimensional computed tomography simulation study.Journal of experimental orthopaedics · 2025Article
- Arthritis Foundation/HSS Workshop on Hip Osteoarthritis, Part 2: Detecting Hips at Risk: Early Biomechanical and Structural Mechanisms.HSS journal : the musculoskeletal journal of Hospital for Special Surgery · 2023Review
- The anterior center edge angle has limited ability to predict three-dimensional coverage of the femoral head in patients with developmental dysplasia of the hip undergoing curved periacetabular osteotomy.Archives of orthopaedic and trauma surgery · 2023Article
- A Musculoskeletal Model for Estimating Hip Contact Pressure During Walking.Annals of biomedical engineering · 2022Article
- Lumbar Fusion including Sacroiliac Joint Fixation Increases the Stress and Angular Motion at the Hip Joint: A Finite Element Study.Spine surgery and related research · 2022Article
- Evaluation of the short-term curative effect of closed reduction in the treatment of developmental dysplasia of the hip based on three-dimensional magnetic resonance imaging finite element analysis.BMC musculoskeletal disorders · 2022Article
- Morphologic analysis of the subtalar joint using statistical shape modeling.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2020Article
- Article
- CORR Insights®: Patient Age and Hip Morphology Alter Joint Mechanics in Computational Models of Patients with Hip Dysplasia.Clinical orthopaedics and related research · 2019Article
- Diagnosis and Management of Borderline Hip Dysplasia and Acetabular Retroversion.The journal of hip surgery · 2018Article
- Joint contact stresses calculated for acetabular dysplasia patients using discrete element analysis are significantly influenced by the applied gait pattern.Journal of biomechanics · 2018Article
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5 authors at 1 institution in 1 country.
Funding
Abstract
Using a validated finite element (FE) protocol, we quantified cartilage and labrum mechanics, congruency, and femoral coverage in five male patients before and after they were treated for acetabular retroversion with peri-acetabular osteotomy (PAO). Three-dimensional models of bone, cartilage, and labrum were generated from computed tomography (CT) arthrography images, acquired before and after PAO. Walking, stair-ascent, stair-descent, and rising from a chair were simulated. Cartilage and labrum contact stress, contact area, and femoral coverage were calculated overall and regionally. Mean congruency (average of local congruency values for FE nodes in contact) and peak congruency (most incongruent node in contact) were calculated overall and regionally. Load supported by the labrum was represented as a raw change in the ratio of the applied force transferred through the labrum and percent change following surgery (calculated overall only). Considering all activities, following PAO, mean acetabular cartilage contact stress increased medially, superiorly, and posteriorly; peak stress increased medially and posteriorly. Peak labrum stresses decreased overall and superiorly. Acetabular contact area decreased overall and laterally, and increased medially. Labral contact area decreased overall, but not regionally. Load to the labrum decreased. Femoral head coverage increased overall, anterolaterally, and posterolaterally, but decreased anteromedially. Mean congruency indicated the hip became less congruent overall, anteriorly, and posteriorly; peak congruency indicated a less congruent joint posteriorly. CLINICAL RELEVANCE: Medialization of contact and reductions in labral loading following PAO may prevent osteoarthritis, but this procedure increases cartilage stresses, decreases contact area, and makes the hip less congruent, which may overload cartilage. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:2567-2576, 2017.
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