Failure Modes of 433 Metal-on-Metal Hip Implants: How, Why, and Wear

  • Ebramzadeh E
  • Campbell P
  • Takamura K
 et al. 
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Metal-on-metal total hip replacements (THRs) and hip resurfacings are coming under increasing scrutiny in light of concerns that they fail because of high wear and elevated metal ions. The aim of this study was to investigate the modes of failure in a collection of 433 metal-on-metal THRs and hip resurfacings and to examine the correlations between the reasons for revision and a range of patient and implant variables considered relevant to implant wear. © 2011 Elsevier Inc.

Author-supplied keywords

  • Failure
  • Hip resurfacing
  • Implant retrieval
  • Loosening
  • Metal-on-metal
  • Revision
  • Wear

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  • Edward Ebramzadeh

  • Patricia A. Campbell

  • Karren M. Takamura

  • Zhen Lu

  • Sophia N. Sangiorgio

  • Jeremy J. Kalma

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