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Journal of Bone and Joint Surgery - British Volume, Vol 88-B, Issue SUPP_II, 211.  
Copyright © 2006 by British Editorial Society of Bone and Joint Surgery
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European Rheumatoid Arthritis Surgical Society

Pfäffikon, Switzerland – 25–27 May, 2006

President – Beat R. Simmen

S32 METAL ON METAL HIP RESURFACING IN INFLAMMATORY ARTHRITIS

ThomasA.M ; McBrydeC ; and PynsentP.B.

Birmingham

Metal on metal hip resurfacing was introduced in 1992 by Derek McMinn initially using an all cementless device and then an all cemented device. A hybrid resurfacing with a cemented femoral component and a cementless acetabular component was introduced in 1994. The manufacturer of the hybrid hip resurfacing was changed in 1996. Since 1997 the Birmingham hip resurfacing has been in continuous use.

The device is approved by NICE (National Institute for Clinical Excellence) for use within the NHS in patients with Osteoarthritis of the hip. The device is not yet approved for use in patients with Rheumatoid Arthritis and other types of inflammatory arthritis. There are concerns regarding bone quality in rheumatoid patients, which may result in a high incidence of component loosening or femoral neck fracture. Conventional total hip replacement is a successful procedure in inflammatory arthritis however with modern treatments producing increased activity levels there are concerns about polyethylene wear.

The author has performed metal on metal hip resurfacing in patients with inflammatory arthritis over the past 12 years. A total of 170 patients have been operated on with 198 resurfacings. 33% of patients have a diagnosis of some type of inflammatory arthritis. The outcomes have been assessed using Oxford hip scores and long term clinical and radiological review. Our results indicate that there is a minimal risk of femoral neck fracture and a minimal risk of component loosening when the device is used with this approach in patients with inflammatory arthritis.

Correspondence should be addressed to ERASS Office, Schulthess Klinik, Lengghalde 2, CH-8008 ZURICH, Switzerland.






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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General