ArticleJoint diseases and related surgery2024
Comparison of different internal fixation implants in the treatment of talar neck fractures: A finite element analysis.
Article in Joint diseases and related surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 1 citations in OpenAlex.
- Impact of fixation method on avascular necrosis in talar neck fractures: a retrospective analysis.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2026Article
- Volumetric relationships of foot bones and the role of the talus in hallux valgus.Joint diseases and related surgery · 2026Article
- Evaluation of the relations between foot & ankle pathologies and anatomic variations with magnetic resonance imaging of 849 study population.Joint diseases and related surgery · 2025Article
- Treatment of Complex Central Talar Fractures with Lateral Plate Combination with Medial Screw Fixation.Orthopaedic surgery · 2024Article
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5 authors at 1 institution in 1 country.
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Abstract
objectivesThis study aimed to analyze the biomechanics of cannulated screws (CS) with or without a lateral locking plate (LLP) in talar neck fractures through a finite element analysis. PATIENTS AND
methodsThe computed tomography image of the talus from a healthy volunteer (adult male) was used to reconstruct a three-dimensional talar model. The method for fixing talar neck fractures with CS and an LLP was planned using computer-aided design software. Afterward, the three-dimensional models of comminuted talar neck fractures were used to simulate fixation with anteroposterior parallel dual CS, single CS+LLP, and dual CS+LLP. Finally, finite element analysis was carried out to compare the outcomes of dual CS+LLP to those of single CS+LLP and to those of using dual CS alone. The displacement and von Mises stress values of the three groups with different internal fixation were analyzed.
resultsFor a simple talar neck fracture, the lowest amount of displacement was obtained with CS+LLP (0.407 mm), while dual CS (0.459 mm) showed the highest amount of total displacement; the lowest amount of peak stresses was obtained with CS+LLP (5.38 MPa), while dual CS (8.749 MPa) showed the highest amount of total peak stresses. For a comminuted talar neck fracture, the lowest amount of displacement was obtained with CS+LLP (0.398 mm), while dual CS (0.408 mm) showed the highest amount of total displacement; the lowest amount of peak stresses was obtained with CS+LLP (129.9 MPa), while dual CS (205.9 MPa) showed the highest amount of peak stresses.
conclusionCompared to the other two groups, the dual CS+LLP group had better biomechanics properties in the displacement and stress peak of the talus and implant. Thus, the use of dual CS+LLP fixation is recommended for the surgical treatment of comminuted talar neck fractures.
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