ArticleAnnals of biomedical engineering2025
Pre-contoured Plate Fit Assessment for Acetabular Fractures.
Article in Annals of biomedical engineering, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Clinical outcomes of internal iliosciatic fixation using a conventional reconstruction plate via an anterior approach for acetabular fractures involving the posterior column.Archives of orthopaedic and trauma surgery · 2026Article
- Mechanical validation of 3D-printed orthopaedic surrogate models for screw insertion training.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2026Article
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Authors and funding
8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
purposeInsufficient fitting of pre-contoured plates for acetabular fractures might lead to inadequate fracture reduction, but it is unclear in which patients pre-contoured plates fit adequately. The aims of this study were to assess plate fitting in sex- and height-specific anatomical variations of the hemipelvis, and categorizing the outcomes as moderate or good fit.
methods3D models from computed tomography (CT) scans were obtained from a dataset of 200 patients with an intact left hemipelvis. This dataset was divided into eight subgroups, based on sex and body height, and the plate was virtually fitted on each shape. Plate fitting was assessed by computing the iliopectineal line, the quadrilateral slope, and the root mean square distance (RMSD) between each coordinate of the plate and its closest coordinate on the hemipelvis.
resultsThe mean age was 56 ± 16 years, and the mean height was 173 ± 10 cm. All female pelves had a moderate fit, mainly because the plate length either exceeded the iliopectineal line length, or the plate's anterior aspect was directed too ventrally. Three out of four male pelves had a good fit. Only the small height subgroup (<175 cm) showed a moderate fit due to the plate length exceeding the iliopectineal line length and a relatively high median RMSD value (1.5 [0.8-2.0] mm) in mid-section of the plate.
conclusionsIn acetabular fracture surgery, both visual and quantitative evaluation of suprapectineal plate fitting in sex- and body height-specific subgroups showed moderate fitting in female pelvic shapes, indicating a need for substantial intraoperative bending. This suggests the need for different sizes and contours of future suprapectineal plates in acetabular fracture surgery.
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