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Comparison of biomechanical effects of differentconfigurations of kirschner wires on the epiphyseal plateand stability in a salter-harris type 2 distal femoral fracture model / Sermet Inal in Journal of the American Podiatric Medical Association, vol. 109, 01 (Janvier-février 2019)
[article]
in Journal of the American Podiatric Medical Association > vol. 109, 01 (Janvier-février 2019) . - p. 13-21
Titre : Comparison of biomechanical effects of differentconfigurations of kirschner wires on the epiphyseal plateand stability in a salter-harris type 2 distal femoral fracture model Type de document : article de périodique Auteurs : Sermet Inal ; Kadir Gok ; Arif Gok ; Ahmet Murat Pinar ; Canan Inal Année de publication : 2019 Article en page(s) : p. 13-21 Langues : Anglais (eng) Descripteurs (mots clés) : [Thésaurus HELB]:Paramédical:biomécanique
[Thésaurus Mesh]:F:Fractures du fémur:Fractures du fémur / chirurgie
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[Thésaurus Mesh]Fractures du fémur
[Thésaurus Mesh]Procédures orthopédiquesMots-clés : bone wires biomecanique femoral fractures surgery rthopedic procedures Résumé : Background:We sought to investigate the different configurations of Kirschner wiresused in distal femur Salter-Harris (SH) type 2 epiphyseal fracture for stabilization afterreduction under axial, rotational, and bending forces and to define the biomechanicaleffects on the epiphyseal plate and the fracture line and decide which was moreadvantageous.Methods:The SH type 2 fracture was modeled using design software for four differentconfigurations: cross, cross-parallel, parallel medial, and parallel lateral with twoKirschner wires, and computer-aided numerical analyses of the different configurationsafter reduction were performed using the finite element method. For each configuration,the mesh process, loading condition (axial, bending, and rotational), boundaryconditions, and material models were applied in finite element software, and growthcartilage and von Mises stress values occurring around the Kirschner wire groove werecalculated.Results:In growth cartilage, the stresses were highest in the parallel lateralconfiguration and lowest in the cross configuration. In Kirschner wires, the stresseswere highest in the cross configuration and lowest in the cross-parallel and parallellateral configurations. In the groove between the growth cartilage and the Kirschner wireinterface, the stresses were highest in the parallel lateral configuration and lowest in thecross configuration.Conclusions:The results showed that the cross configuration is advantageous infixation. In addition, in the SH type 2 epiphyseal fracture, we believe that the fixationshape should not be applied in the lateral configuration. Permalink : https://bibliotheque.helb-prigogine.be/opac_css/index.php?lvl=notice_display&id= [article]Exemplaires
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