Journal
ORTHOPEDIC CLINICS OF NORTH AMERICA
Volume 42, Issue 2, Pages 241-+Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.ocl.2011.01.001
Keywords
Implant retrieval; Hip resurfacing; Metal-on-metal; Loosening; Wear; Failure; Revision
Categories
Funding
- Los Angeles Orthopaedic Hospital Foundation, Los Angeles, CA, USA
- Wright Medical Technology, Arlington, TN, USA
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Failure Modes of 433 Metal-on-Metal Hip Implants: How,Why, and Wear Edward Ebramzadeh, Patricia A. Campbell, Karren M. Takamura, Zhen Lu, Sophia N. Sangiorgio, Jeremy J. Kalma, Koen A. De Smet, and Harlan C. Amstutz 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.
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