Inducible displacement of a trabecular metal tibial monoblock component

David A.J. Wilson, Janie L. Astephen, Allan W. Hennigar, Michael J. Dunbar

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

26 Citas (Scopus)

Resumen

Radiostereometric analysis is a highly accurate technique that can be used for measuring micromotion at the bone-implant interface. The purpose of this study was to compare the inducible displacement of the uncemented Trabecular Metal (TM; Zimmer, Warsaw, Ind) tibial monoblock component with that of a cemented implant. Inducible displacement of 14 uncemented TM components and 11 cemented components was measured 24 to 48 months postoperatively. Longitudinal migration of the implants was also measured with radiostereometric analysis at 6, 12, and 24 months postoperatively. The uncemented TM group had significantly lower inducible displacement than the cemented components. Significant correlations were found between longitudinal migration and the inducible displacement tests. The low values of inducible displacement in the TM group indicated good fixation and a promising long-term prognosis.

Idioma originalEnglish
Páginas (desde-hasta)893-900
Número de páginas8
PublicaciónJournal of Arthroplasty
Volumen25
N.º6
DOI
EstadoPublished - sep. 2010

Nota bibliográfica

Funding Information:
The authors would like to thank Amanda Giffin, Leanna MacLean, and Sue Norris for their help with this project. The authors would also like to thank CIHR for funding.

ASJC Scopus Subject Areas

  • Orthopedics and Sports Medicine

PubMed: MeSH publication types

  • Journal Article
  • Research Support, Non-U.S. Gov't

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