ArticleJournal of orthopaedic surgery and research2021
The morphological mapping of lateral compression type 1 pelvic fracture and pelvic ring stability classification: a finite element analysis.
Article in Journal of orthopaedic surgery and research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 7 citations in OpenAlex.
- Conservative versus operative treatment of LC-1 pelvic ring fractures: radiographic and long-term functional outcomes.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2026Observational
- Preferential sacral fracture sites in fragility fractures of the pelvis type IVb and comparison of internal fixation methods: CT-based morphological mapping and finite element analysis.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2026Article
- Radiographic and clinical evaluation of external pedicle screw fixation as a definitive solution for selective acetabular fractures: a retrospective analysis.BMC musculoskeletal disorders · 2024Article
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6 authors at 1 institution in 1 country.
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Abstract
purposeThis finite element analysis assessed lateral compression (LC-1) fracture stability using machine learning for morphological mapping and classification of pelvic ring stability.
methodsComputed tomography (CT) files of LC-1 pelvic fractures were collected. After morphological mapping and producing matrix data, we used K-means clustering in unsupervised machine learning to classify the fractures. Based on these subtypes, we manually added fracture lines in ANSYS software. Finally, we performed a finite element analysis of a normal pelvis and eight fracture subtypes based on von Mises stress and total deformation changes.
resultsA total of 218 consecutive cases were analyzed. According to the three main factors-zone of sacral injury and completion, pubic ramus injury side, and the sagittal rotation of the injured hemipelvis-the LC-1 injuries were classified into eight subtypes (I-VIII). No significant differences in stress or deformation were observed between unilateral and bilateral public ramus fractures. Subtypes VI and VIII showed the maximum stress while subtypes V-VIII showed the maximum deformation in the total pelvis and sacrum. The subtypes did not differ in superior public ramus deformation.
conclusionsComplete fracture of sacrum zones 2/3 may be a feature of unstable LC-1 fractures. Surgeons should give surgical strategies for subtypes V-VIII.
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