Fixation of distal fibular fractures: A biomechanical study of plate fixation techniques

• Autorzy: Marvan J. , Horak Z. , Vilimek M. , Horny L. , Kachlik D. , Baca W.

Identyfikatory

DOI

10.5277/ABB-00557-2016-02

• Języki publikacji: EN

Abstrakty

EN

Ankle fractures are complex injuries with variable prognoses that depend upon many factors. The aim of the treatment is to restore the ankle joint biomechanical stability with maximum range of motion. Most ankle fractures are fibular fractures, which have a typical oblique fracture line in the distal fibula located in the area of the tibiofibular syndesmosis. The aim of this study was to simulate numerically several fixation techniques of the distal fibular fractures, evaluate their stability, determine their impact on surrounding tissue load, and correlate the results to clinical treatment experience. The following three models of fibular fracture fixation were used: (a) plate fixation with three screws attached above/below and lag screws, (b) plate fixation with two screws attached above/below and lag screws, and (c) three lag screws only. All three fracture fixation models were analyzed according to their use in both healthy physiological bone and osteoporotic bone tissue. Based on the results of Finite Element Analysis for these simulations, we found that the most appropriate fixation method for Weber-B1 fibular fractures was an unlocked plate fixation using six screws and lag screws, both in patients with physiological and osteoporotic bone tissue. Conversely, the least appropriate fixation method was an unlocked plate fixation with four screws and lag screws. Although this fixation method reduces the stress on patients during surgery, it greatly increased loading on the bone and, thus, the risk of fixation failure. The final fixation model with three lag screws only was found to be appropriate only for very limited indications.

Słowa kluczowe

EN

fibular fracture; finite element analysis; osteosynthesis; fracture fixation; fibula

PL

analiza FEM; osteosynteza; złamanie kości

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Acta of Bioengineering and Biomechanics
• Rocznik: 2017
• Tom: Vol. 19, no. 1
• Strony: 33--39
• Opis fizyczny: Bibliogr. 22 poz., rys., tab., wykr.

Twórcy

autor

Marvan J.

• Department of Orthopedics and Traumatology, Third Faculty of Medicine, Charles University, Ruska 87, 10000 Prague, Czech Republic

autor

Horak Z.

• College of Polytechnics Jihlava, Tolsteho 16, 58601 Jihlava, Czech Republic

autor

Vilimek M.

• Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University, Technicka 4, 16607 Prague, Czech Republic

autor

Horny L.

• Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University, Technicka 4, 16607 Prague, Czech Republic

autor

Kachlik D.

• College of Polytechnics Jihlava, Tolsteho 16, 58601 Jihlava, Czech Republic
• Department of Anatomy, Second Faculty of Medicine, Charles University, V Uvalu 84, 15006 Prague, Czech Republic

autor

Baca W.

• College of Polytechnics Jihlava, Tolsteho 16, 58601 Jihlava, Czech Republic
• Department of Anatomy, Third Faculty of Medicine, Charles University, Ruska 87, 10000 Prague, Czech Republic

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).