The Journal of Bone and Joint Surgery Published Article Shows Smith+Nephew’s OXINIUM™ on XLPE for Total Hip Arthroplasty as Best Performing Bearing Beyond 10 Years

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Smith+Nephew today announced the publication of new clinical evidence further validating the exceptional performance of its proprietary OXINIUM on XLPE (highly cross-linked polyethylene) for total hip arthroplasty (THA). The publication in The Journal of Bone and Joint Surgery Open Access analyses data from the National Joint Registry for England, Wales, Northern Ireland and the Isle of Man (NJR) and concludes that THA procedures using OXINIUM on XLPE were associated with the lowest risk of revision of all bearing combinations for any reason beyond 10 years.1

This analysis of more than 400,000 THAs* confirms that procedures using OXINIUM on XLPE showed:

  • 1.96% cumulative incidence of revision at 10 years1 compared with the average of 4.79% for primary hip replacements.2
  • 48% reduction in risk for aseptic loosening compared to metal on XLPE.1
  • Lowest revision risk vs. all bearing combinations in patients less than 55 years old.1
  • Lower risk of revision compared to ceramic-on-ceramic hip bearing combinations.1 
                      
    (*based on UK NJR data analysis of cementless and hybrid THA data.1)

“Total hip arthroplasty using a bearing combination of OXINIUM on XLPE versus traditional ceramic or metal constructs results in greatly improved survivorship and significantly reduced the need for revision,” said Prof. Edward T. Davis FRCS, of The Royal Orthopaedic Hospital NHS Foundation Trust. “Even in the younger more active patients, the results are spectacular, and I am excited to continue using OXINIUM on XLPE to deliver better outcomes for my patients.”

The new analysis of NJR data corroborates a similar report from the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR), and publications referencing the Italian Registry (RIPO; Register of Orthopaedic Prosthetic Implants) and the Dutch Arthroplasty Register (LROI), which all confirm the positive effect that modern bearing surface combinations like OXINIUM on XLPE have on THA survival.3,4,5

“Registries throughout the world have highlighted the performance of OXINIUM for total hip arthroplasty. This publication is further evidence of the success of our truly differentiated and proven technology,” said Skip Kiil, President of Global Orthopaedics at Smith+Nephew. “THA is considered one of the most clinically successful procedures in modern medicine, and OXINIUM on XLPE continues to raise the bar for acceptable revision rates.”


References

  1. Davis ET, Pagkalos J, Kopjar B. Effect of Bearing Surface on Survival of Cementless and Hybrid Total Hip Arthroplasty. JBJS Open Access. 2020;5(2): e0075. doi:10.2106/jbjs.oa.19.00075
  2. National Joint Registry for England, Wales, Northern Ireland and the Isle of Man: 16th Annual Report 2019. Available at: https://reports.njrcentre.org.uk. Accessed 5 February 2019.
  3. Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR) Hip, Knee & Shoulder Arthroplasty: 2019 Annual Report. Available at: https://aoanjrr.sahmri.com/annual-reports-2019. Accessed 22 November 2019.
  4. Atrey A, Ancarani C, Fitch D, Bordini B. Impact of bearing couple on long-term component survivorship for primary cementless total hip replacement in a large arthroplasty registry. Poster presented at: Canadian Orthopedic Association; June 20–23, 2018; Victoria, British Columbia, Canada.
  5. Peters RM, Van Steenbergen LN, Stevens M, Rijk PC, Bulstra SK, Zijlstra WP. The effect of bearing type on the outcome of total hip arthroplasty. Acta Orthop. 2018;89(2):163–169. doi:10.1080/17453674.2017.1405669
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