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Journal of Bone and Joint Surgery - British Volume, Vol 87-B, Issue 9,
1197-1202.
doi: 10.1302/0301-620X.87B9.15884 Copyright © 2005 by British Editorial Society of Bone and Joint Surgery Is there a place for shelf acetabuloplasty in the management of adult acetabular dysplasia?A SURVIVORSHIP STUDYE. Fawzy, FRCS, Clinical Research Fellow1; G. Mandellos, MD, Clinical Fellow1; R. De Steiger, MD, Consultant Orthopaedic Surgeon1; P. McLardy-Smith, FRCS, Consultant Orthopaedic Surgeon1; M. K. D. Benson, FRCS, Consultant Orthopaedic Surgeon1; and D. Murray, FRCS(Tr & Orth), Professor Orthopaedic Surgeon11 Nuffield Orthopaedic Centre, Windmill Road, Headington, Oxford OX3 7LD, UK. Correspondence should be sent to Professor D. Murray; e-mail: david.murray{at}noc.anglox.nhs.uk
We followed up 76 consecutive hips with symptomatic acetabular dysplasia treated by acetabular shelf augmentation for a mean period of 11 years. Survival analysis using conversion to hip replacement as an end-point was 86% at five years and 46% at ten years. Forty-four hips with slight or no narrowing of the joint space pre-operatively had a survival of 97% at five and 75% at ten years. This was significantly higher (p = 0.0007) than that of the 32 hips with moderate or severe narrowing of the joint-space, which was 76% at five and 22% at ten years. There was no significant relationship between survival and age (p = 0.37) or the pre- and post-operative centre-edge (p = 0.39) and acetabular angles (p = 0.85). Shelf acetabuloplasty is a reliable, safe procedure offering medium-term symptomatic relief for adults with acetabular dysplasia. The best results were achieved in patients with mild and moderate dysplasia of the hip with little arthritis.
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