ArticleJournal of orthopaedic surgery and research2025
Kirschner wire configuration and fixation stability in pediatric supracondylar humerus fractures: a finite element analysis.
Article in Journal of orthopaedic surgery and research, 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.
- Comparative evaluation of additively manufactured PLA models as cost-effective, non-inferior alternatives to composite bones for pull-out testing.Archives of orthopaedic and trauma surgery · 2026Article
- The role of elastic intramedullary nailing with or without Kirschner wire fixation in pediatric radial neck fractures: a retrospective cohort study.Frontiers in pediatrics · 2026Article
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Authors and funding
5 authors.
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Abstract
backgroundPediatric supracondylar humerus fractures are among the most common elbow injuries in children and require stable fixation to prevent complications. Kirschner (K) wire osteosynthesis is a widely used technique; however, the optimal wire configuration remains a subject of debate.
objectiveThis study aims to investigate the effects of three different K-wire configurations (crossed, medial-parallel, and lateral-parallel) on the fixation stability of pediatric supracondylar humerus fractures using finite element analysis (FEA).
methodsA three-dimensional finite element model of a pediatric humerus with a supracondylar fracture was constructed. Each of the three K-wire configurations was virtually applied to the model. To replicate physiological conditions, force (Z-axis) and moment (X- and Y-axes) components were applied under various loading scenarios, both individually and in combination. Mechanical parameters, including displacement, stress distribution, and rigidity, were analyzed for each configuration.
resultsThe crossed K-wire configuration demonstrated superior structural stability compared to both medial-parallel and lateral-parallel configurations. It exhibited lower displacement values and more favorable stress distribution, particularly under rotational loading conditions, indicating higher mechanical resistance.
conclusionThe findings suggest that the crossed K-wire configuration provides enhanced fixation stability and may be the most effective technique for the surgical treatment of pediatric supracondylar humerus fractures. Additionally, this study confirms the utility of finite element analysis as a robust and reliable method for evaluating the biomechanical performance of orthopedic fixation methods.
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