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Three Cases of Femoral Stem Failure in Rotating Hinge Revision Total Knee Arthroplasty: Causes and Surgical Considerations
Clinics in Orthopedic Surgery ; : 260-264, 2018.
Artigo em Inglês | WPRIM | ID: wpr-715553
ABSTRACT
Catastrophic failure of stemmed components in arthroplasty is an uncommon but a serious complication. Stem fractures and techniques for addressing these have been described following hip arthroplasty but much less so following total knee arthroplasty (TKA). We review three cases of catastrophic failure of the stem in rotating hinge revision TKA prostheses. We discuss the possible mechanism of failure and review the current literature addressing this topic. Metaphyseal support needs to be optimized in order to minimize load transfer to the stem and to the junction (and the risk of fracture) if a modular component is used. When constrained components are used, radiographs need to be carefully assessed for signs of proximal loosening. Nonmodular stems are also an option in this situation.
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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Artroplastia / Próteses e Implantes / Artroplastia do Joelho / Quadril / Joelho Tipo de estudo: Estudo de etiologia Idioma: Inglês Revista: Clinics in Orthopedic Surgery Ano de publicação: 2018 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Artroplastia / Próteses e Implantes / Artroplastia do Joelho / Quadril / Joelho Tipo de estudo: Estudo de etiologia Idioma: Inglês Revista: Clinics in Orthopedic Surgery Ano de publicação: 2018 Tipo de documento: Artigo