ArticleInternational journal of computer assisted radiology and surgery2025
Finite element analyses, 3D-printed guides and navigation system optimizes fragment reorientation for periacetabular osteotomy.
Article in International journal of computer assisted radiology and surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Substantial blood loss and transfusion burden after periacetabular osteotomy: Benchmark estimates from a systematic review and meta-analysis.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Pooled it
- Association of tranexamic acid use and autologous predonation with blood loss and transfusion outcomes after periacetabular osteotomy: An arm-based multilevel meta analysis.Journal of experimental orthopaedics · 2026Review
- [3D-planning and guided hip and pelvic surgery].Orthopadie (Heidelberg, Germany) · 2026Review
- When Intuition Meets the Algorithm: Medico-Legal Implications of Artificial Intelligence-Driven Decision-Making in Orthopedics.Bioengineering (Basel, Switzerland) · 2026Review
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
purposePeriacetabular osteotomy (PAO) is an effective treatment to correct developmental dysplasia of the hip (DDH). Traditionally, the goal of correction during PAO is based on parameters measured on 2-dimensional images. The aim of the study is to introduce an optimized workflow of PAO in DDH patients by means of personalized correction goal and accuracy of execution.
methodsFive patients with DDH were prospectively enrolled. Preoperative computed tomography was performed. Surgical planning was done by the treating surgeon and engineers. The planned correction involved reorienting the osteotomized fragment to achieve a target lateral center-edge angle (LCEA) of 25°-40°.The pelvic model with the preoperative and planned correction was analyzed by finite element analysis, which simulated single-leg stance condition. Average and maximal acetabular stresses in different anatomical areas were calculated and are presented as a dashboard at ± 3° increments to help the surgeon determine the ideal correction. To ensure accuracy of the osteotomy and correction as planned, 3D-printed cutting and reorientation guides were used.
resultsAverage operation time (101 ± 23 min) and blood loss (651 ± 176 ml) were comparable to previous reports. Radiographic parameters improved significantly, including LCEA (20.0
conclusionThe workflow with FEA simulations to optimize mechanical stress and 3D-printed cutting guides to achieve accurate execution was an effective and safe approach to optimize DDH treatment. Further refinements and further evaluation of navigation systems aimed at obtaining planned correction is necessary.
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