ArticleMedical science monitor : international medical journal of experimental and clinical research2016
Theoretical Implications of Periacetabular Osteotomy in Various Dysplastic Acetabular Cartilage Defects as Determined by Finite Element Analysis.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Effect of fracture level on optimal Kirschner wire configuration in pediatric supracondylar humerus fractures: A finite element analysis.Joint diseases and related surgery · 2025Article
- Predictive importance of cartilage acetabular index for acetabular dysplasia in orthopedic surgery.Acta cirurgica brasileira · 2025Article
- Biomechanical changes in the lumbar and hip joint after curved periacetabular osteotomy.Journal of orthopaedic surgery and research · 2024Article
- Finite element analyses of lateral condyle fracture fixation in paediatrics regarding configuration of Kirschner-wire.BMC musculoskeletal disorders · 2022Article
- Postoperative stability following a triple pelvic osteotomy is affected by implant configuration: a finite element analysis.Journal of orthopaedic surgery and research · 2022Article
- A Single Approach to Arthroscopic Reduction and Debridement for Developmental Dislocation of the Hip in 12 Infants.Medical science monitor : international medical journal of experimental and clinical research · 2019Article
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9 authors.
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Abstract
BACKGROUND Different extents and locations of acetabular cartilage defect have been supposed to be a major cause of undesirable outcomes of periacetabular osteotomy (PAO) in patients with developmental dysplasia of the hip (DDH). This study aimed to verify whether different locations of cartilage deficiency affect the biomechanical environment in a three-dimensional model utilizing finite element analysis (FEA). MATERIAL AND METHODS We developed 3 DDH models - DDH-1 (normal shape), DDH-2 (superior defect), and DDH-3 (anterosuperior defect) - by deforming from a normal hip model. We also developed 3 PAO models - PAO-1, PAO-2, and PAO-3 - through rotating osteotomized fragments. RESULTS The maximum von Mises stress in the normal hip was 13.06 MPa. In the DDH-1 model, the maximum value on the load-bearing area decreased from 15.49 MPa pre-PAO to 14.28 MPa post-PAO, while stresses in the DDH-2 and DDH-3 models were higher than in the DDH-1 model, both pre-PAO and post-PAO (30.46 MPa to 26.04 MPa for DDH-2; 33.89 MPa to 27.48 MPa for DDH-3). CONCLUSIONS This study shows that, both pre- and post-PAO, different types of cartilage deficiency affect the biomechanical environment. Furthermore, in dysplastic hips, obtaining accurate three-dimensional information about the acetabular cartilage can contribute substantially to PAO decision making.
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