Optimizing fixation methods for stable and unstable intertrochanteric hip fractures treated with sliding hip screw or cephalomedullary nailing: A comparative biomechanical and finite element analysis study.

Kyriakopoulos, G; Panagopoulos, A; Pasiou, E. D.; Kourkoulis, S. K.; Diamantakos, I.; Anastopoulos, G; Tserpes, K.; Tatani, I.; Lakoumentas, J.; Megas, P.

doi:10.1016/j.injury.2022.10.006

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Optimizing fixation methods for stable and unstable intertrochanteric hip fractures treated with sliding hip screw or cephalomedullary nailing: A comparative biomechanical and finite element analysis study.

Author(s): G Kyriakopoulos ¹ , A Panagopoulos ² , E Pasiou ³ , S K Kourkoulis ³ , I Diamantakos ⁴ , G Anastopoulos ⁵ , K Tserpes ⁶ , I Tatani ² , J Lakoumentas ⁷ , P Megas ²

Publication date (Electronic): Dec 2022

Journal: Injury

Publisher: Elsevier BV

Keywords: Biomechanical testing, Cephalomedullary nailing, Cut-out, DHS, Dynamic hip screw, Finite element analysis, Fractures, Gamma3®, Hip fractures, Implant angle, Intertrochanteric fractures, Mechanical failure, Pertrochanteric, TAD, Tip-to-apex distance, Valgus reduction, Varus reduction

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Abstract

Despite recent advances in implants and surgical techniques, catastrophic and clinical failures in the treatment of intertrochanteric fractures continue to occur, with dire consequences in an overall frail population subset. The aim of the current study is to evaluate the effect of the factors under the surgeons' control, namely fracture reduction and implant selection, on the biomechanical behavior of fracture fixation constructs.

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Journal ID (iso-abbrev): Injury

Title: Injury

Publisher: Elsevier BV

ISSN (Electronic): 1879-0267

ISSN (Print): 0020-1383

Publication date (Electronic): Dec 2022

Volume: 53

Issue: 12

Affiliations

[1 ] Department of Orthopaedics, "Georgios Gennimatas" General Hospital, Athens, Greece. Electronic address: kyriakopoulosg@gmail.com.

[2 ] Department of Adult Reconstruction, Orthopaedic Clinic, Patras University Hospital, Patras, Greece.

[3 ] Laboratory of Biomechanics and Biomedical Physics, Department of Mechanics, School of Applied Mathematical and Physical Sciences, NTUA, Greece.

[4 ] Department of Mechanical Engineering, School of Engineering, University of the Peloponnese, Patras, Greece.

[5 ] Department of Orthopaedics, "Georgios Gennimatas" General Hospital, Athens, Greece.

[6 ] Laboratory of Technology and Strength of Materials, Department of Mechanical Engineering and Aeronautics, University of Patras, Patras, Greece.

[7 ] Department of Medical Physics, School of Medicine, University of Patras, Greece.

Article

Publisher Item ID: S0020-1383(22)00775-6

DOI: 10.1016/j.injury.2022.10.006

PubMed ID: 36272844

SO-VID: 8265291e-002e-42d5-aefb-36e20cbef675

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Keywords: Biomechanical testing,Cephalomedullary nailing,Cut-out,DHS,Dynamic hip screw,Finite element analysis,Fractures,Gamma3®,Hip fractures,Implant angle,Intertrochanteric fractures,Mechanical failure,Pertrochanteric,TAD,Tip-to-apex distance,Valgus reduction,Varus reduction

Optimizing fixation methods for stable and unstable intertrochanteric hip fractures treated with sliding hip screw or cephalomedullary nailing: A comparative biomechanical and finite element analysis study.

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