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Title: A New Anatomical Plate For Extra-Articular Distal Humeral Fractures: Biomechanical Study
Other Titles: Uma Nova Placa Anatômica Para Fraturas Extraarticulares Distais Do Úmero: Estudo Biomecânico
Authors: Mutlu, Harun
Polat, Abdulkadir
Cetin, Mehmet Umit
Mutlu, Serhat
Demir, Teyfik
Parmaksizoglu, Atilla Sancar
Keywords: Fracture Fixation
Humeral Fractures
Fracture Fixation,Internal
Issue Date: 2022
Publisher: Atha Comunicacao & Editora
Source: Mutlu, H., Polat, A., Çetin, M. Ü., Mutlu, S., Demir, T., & Parmaksizoğlu, A. S. (2022). A New Anatomical Plate for Extra-Articular Distal Humeral Fractures: Biomechanical Study. Acta Ortopédica Brasileira, 30.
Abstract: Introduction: We compared the mechanical properties of two fixation techniques for the treatment of extra-articular distal third humeral fractures. Materials and Methods: Two groups were created from twenty-four humeri. Group 1 was instrumented using a new, precontoured, 8-hole (3.5-mm-diameter) locking compression plate (LCP) placed anterolaterally. Group 2 was instrumented using an 8-hole (3.5-mm-diameter) precontoured posterolateral LCP plate placed on the distal humerus. Four-point bending tests and torsion tests were performed until the specimens broke. Results: The four-point bending stiffness test showed that the stiffness of anterolaterally fixed humeri was significantly higher than that of posterolaterally fixed humeri (p<0.05). Torsion testing revealed that posterolateral fixation was associated with better yield strength (p<0.05), but the torsional stiffness did not differ significantly between the two plates (p>0.05). Conclusions: The anterolateral plate exhibited higher bending stiffness and torsional yield strength than the posterolateral plate. Anterolateral plate fixation can thus be used to manage extra-articular distal humeral fractures. Multiaxial locking screws ensure rigid fixation, allow early elbow motion without olecranon fossa impingement, and prevent iatrogenic injury of the triceps muscle. Level of Evidence I, Therapeutic Studies Investigating the Results of Treatment.
ISSN: 1413-7852
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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