ArticleJournal of orthopaedic surgery and research2022
Three-dimensional fracture mapping and analysis of coronal fractures in AO/OTA types 33-B3 and C3.
Article in Journal of orthopaedic surgery and research, 2022. 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, 4 citations in OpenAlex.
- Proximal humerus fractures in the elderly work up, classifications and fracture biomechanics.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2025Review
- Morphology and novel classification of proximal humeral fractures.Frontiers in bioengineering and biotechnology · 2024Article
- Progress of fracture mapping technology based on CT three-dimensional reconstruction.Frontiers in bioengineering and biotechnology · 2024Review
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Authors and funding
4 authors at 2 institutions in 1 country.
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Abstract
backgroundAlthough the relatively high incidence of coronal fractures in the supracondylar-intercondylar fractures is well established, little is currently known about the morphology of those fractures. Herein, we characterized the coronal fractures in AO/OTA type 33-C3 and assessed their differences with Busch-Hoffa fractures (33-B3).
methodsWe retrospectively collected 61 cases of AO/OTA type 33-B or C fractures with coronal plane fragments and generated three-dimensional fracture maps of those with coronal fractures based on CT imaging and measured angle α (the angle between the coronal fracture and the posterior condyle axis in the axis plane) and angle β (the angle between the coronal fracture and the posterior femoral cortex in the sagittal plane).
resultsThirty-three cases (32%) of AO/OTA type 33-C fractures contained coronal fragments. Most of them were type 33-C3 fractures. Angles α and β for type 33-C3 were significantly smaller than for type B3 at the lateral condyle, while the angles at the medial condyle were not significantly different. The fracture maps showed that the coronal fractures and the articular comminution area were more anterior in type 33-C3.
conclusionsThe incidence of coronal fractures was 32% and 67% in AO/OTA types 33-C and 33-C3, respectively. Our findings suggest that coronal fractures differed between both types, emphasizing the potential need for different treatment approaches.
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