New data confirms Smith+Nephew technology as the best performing cementless construct for Total Hip Arthroplasty¹
LONDON, Dec. 16, 2020 /PRNewswire/ — Smith+Nephew (LSE:SN,NYSE:SNN), the global medical technology business, today announced outstanding clinical results for its total hip arthroplasty (THA) portfolio in both the National Joint Registry for England, Wales and Northern Ireland (NJR) and the the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR). The data confirms Smith+Nephew’s POLAR3™ Total Hip Solution – a proprietary combination of its POLARSTEM™ Cementless Stem, R3™ Acetabular System and OXINIUM™ Technology has the top performing cementless construct components for THA.
The NJR 2020 annual report showed the latest implant survivorship figures in total joint arthroplasty in which Smith+Nephew’s POLARSTEM and R3 demonstrated:
- The highest implant survivorship (98.46%) of all cementless hip constructs at ten years1
- 72% lower revision risk compared to the class average for cementless hip combinations at ten years1
Furthermore, the recently issued AOANJRR 2020 annual report showed that Smith+Nephew’s proprietary OXINIUM Technology (ceramicised metal on XLPE) continued to have the lowest revision rate of all hip bearing combinations at fifteen years2, and:
- From one year, significantly reduces the risk of revision compared to Metal/XLPE by 39–41%2
- Demonstrated 94.5% survivorship at 15 years2
“I have been using the combination of POLAR3 for ten years now and have been impressed with the results, but even more importantly, so have my patients,” said Mr. Philip Roberts, Consultant Orthopaedic Surgeon at University Hospitals of North Staffordshire, NHS Trust. “It’s very reassuring when a surgeon can say to a patient that the implant being used has such a high-performance record on the NJR here in the UK – and across the world – with other surgeons and patients. It’s that bond of trust between patient and surgeon that POLAR3 gives you, and that is priceless.”
“There are now four prominent registries with mid- to long-term data confirming that our OXINIUM Technology has the highest survivorship,” said Vasant Padmanabhan, President Global R&D for Smith+Nephew.3,4 “With these milestone results, orthopaedic surgeons can be more confident than ever in recommending POLAR3 as best performing cementless hip construct and bearing combination on the market today to their patients.”
References
- National Joint Registry for England, Wales and Northern Ireland: 17th Annual Report. Table 3.H6/H7. Available at http://www.njrcentre.org.uk/njrcentre. Accessed 22 September 2020.
Fewer than 250 cases remained at risk at this time point. - Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR) Hip, Knee & Shoulder Arthroplasty: 2020 Annual Report. Table HT30, Figure HT29. Available at https://aoanjrr.sahmri.com/annual-reports-2020. Accessed 09 October 2020.
As in previous years, the Registry urges caution in the interpretation of this result. This bearing is a single company product, used with a small number of femoral stem and acetabular component combinations. This may have a confounding effect on the outcome, making it unclear if the lower rate of revision is an effect of the bearing surface or reflects the limited combinations of femoral and acetabular prostheses. - 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.
- 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;163–169.
Acknowledgments: We thank the patients and staff of all the hospitals in England, Wales and Northern Ireland who have contributed data to the National Joint Registry. We are grateful to the Healthcare Quality Improvement Partnership (HQIP), the NJR Steering Committee and staff at the NJR Centre for facilitating this work. The views expressed represent those of the authors and do not necessarily reflect those of the National Joint Registry Steering Committee or the Health Quality Improvement Partnership (HQIP) who do not vouch for how the information is presented.
About Smith+Nephew
Smith+Nephew is a portfolio medical technology business that exists to restore people’s bodies and their self-belief by using technology to take the limits off living. We call this purpose ‘Life Unlimited’. Our 17,500+ employees deliver this mission every day, making a difference to patients’ lives through the excellence of our product portfolio, and the invention and application of new technologies across our three global franchises of Orthopaedics, Advanced Wound Management and Sports Medicine & ENT.
Founded in Hull, UK, in 1856, we now operate in more than 100 countries, and generated annual sales of $5.1 billion in 2019. Smith+Nephew is a constituent of the FTSE100 (LSE:SN,NYSE:SNN). The terms ‘Group’ and ‘Smith+Nephew’ are used to refer to Smith & Nephew plc and its consolidated subsidiaries, unless the context requires otherwise.
For more information about Smith+Nephew, please visit www.smith-nephew.com and follow us on Twitter, LinkedIn, Instagram or Facebook.
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