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Periprosthetic femoral fracture--a biomechanical comparison between Vancouver type B1 and B2 fixation methods.
Moazen, Mehran; Mak, Jonathan H; Etchels, Lee W; Jin, Zhongmin; Wilcox, Ruth K; Jones, Alison C; Tsiridis, Eleftherios.
Afiliação
  • Moazen M; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK; Medical and Biological Engineering, School of Engineering, University of Hull, Hull, UK. Electronic address: mehran_moazen@yahoo.com.
  • Mak JH; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK.
  • Etchels LW; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK.
  • Jin Z; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK; Institute of Advanced Manufacturing Technology, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, P.R. of China.
  • Wilcox RK; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK.
  • Jones AC; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK.
  • Tsiridis E; Academic Department of Orthopaedic and Trauma, University of Leeds, Leeds, UK; Department of Surgery and Cancer, Division of Surgery, Imperial College London, London, UK; Academic Orthopaedics and Trauma Unit, Aristotle University Medical School, University Campus, Thessaloniki, Greece.
J Arthroplasty ; 29(3): 495-500, 2014 Mar.
Article em En | MEDLINE | ID: mdl-24035619
ABSTRACT
Current clinical data suggest a higher failure rate for internal fixation in Vancouver type B1 periprosthetic femoral fracture (PFF) fixations compared to long stem revision in B2 fractures. The aim of this study was to compare the biomechanical performance of several fixations in the aforementioned fractures. Finite element models of B1 and B2 fixations, previously corroborated against in vitro experimental models, were compared. The results indicated that in treatment of B1 fractures, a single locking plate can be without complications provided partial weight bearing is followed. In case of B2 fractures, long stem revision and bypassing the fracture gap by two femoral diameters are recommended. Considering the risk of single plate failure, long stem revision could be considered in all comminuted B1 and B2 fractures.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Artroplastia de Quadril / Fraturas Periprotéticas / Fraturas do Fêmur Limite: Humans Idioma: En Revista: J Arthroplasty Assunto da revista: ORTOPEDIA Ano de publicação: 2014 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Artroplastia de Quadril / Fraturas Periprotéticas / Fraturas do Fêmur Limite: Humans Idioma: En Revista: J Arthroplasty Assunto da revista: ORTOPEDIA Ano de publicação: 2014 Tipo de documento: Article