ArticleEuropean journal of orthopaedic surgery & traumatology : orthopedie traumatologie2023
Intra-articular fracture patterns associated with tibial shaft fractures: more than just the posterior malleolus.
Article in European journal of orthopaedic surgery & traumatology : orthopedie traumatologie, 2023. 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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2 citing papers in PubMed, 4 citations in OpenAlex.
- Morphological characteristics of spiral tibial shaft fractures involving the distal articular surface: a retrospective observational study.Scientific reports · 2025Observational
- Intra-articular fracture patterns associated with tibial shaft fractures: more than just the posterior malleolus.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2023Article
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6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe association of tibial shaft fractures (TSFs) with posterior malleolar fractures is well described. The purpose of this study was to identify specific radiographic parameters that are predictive of any pattern of associated distal intra-articular fractures in TSFs.
methodsAll TSFs presenting over a 6-year period were identified. A radiographic review of plain radiographs and CT scans included: identification of any associated ankle fracture, classification using the OTA System, measurements of the TSF obliquity angle (FOA), relative distance from distal extent of the TSF to plafond (DFP%), and presence and level of any associated fibular fractures. Patients with and without associated ankle fractures were statistically compared. Multivariate logistic regression determined independent predictors of associated ankle fractures.
results405 TSFs in 397 patients were identified, with 145 TSFs with associated distal intra-articular fractures. There were 94 (23.2%) posterior malleolar fractures, 19 (13.1%) medial malleolar fractures, 42 (29.0%) lateral malleolar fractures involving the syndesmosis and 14 (9.7%) Chaput fragments. Multivariate regression demonstrated AO/OTA classification type 42-A1, 42-B1 or 42-C1 (OR 2.3 [95% CI 1.3-4.0]; p = 0.003), FOA greater than 45° (OR 2.7 [95% CI 1.5-4.8]; p = 0.001) and DFP% less than 33% (OR 4.1 [95% CI 2.0-9.0]; p = 0.005) were independent correlates of associated ankle fractures regardless of mechanism of injury.
conclusionsDifferent patterns of intra-articular fractures beyond posterior malleolar fractures can occur in TSFs. Fracture angles greater than 45° and extent into the distal 33% of the tibial shaft are independent predictors of distal intra-articular fractures in TSFs regardless of mechanism of injury. LEVEL OF EVIDENCE: Diagnostic Level III.
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