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Journal of Bone and Joint Surgery - British Volume, Vol 88-B, Issue 6, 727-729.
doi: 10.1302/0301-620X.88B6.17430  
Copyright © 2006 by British Editorial Society of Bone and Joint Surgery
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The relationship between acetabular retroversion and osteoarthritis of the hip

W. Y. Kim, MSc, FRCS(Orth), Specialist Registrar in Orthopaedics1; C. E. Hutchinson, MD, FRCR, Senior Lecturer and Honorary Consultant Radiologist2; J. G. Andrew, MD, FRCS(Orth), Consultant Orthopaedic Surgeon3; and P. D. Allen, PhD, Research Associate4

1 Department of Orthopaedics, Room 3114, 910 West 10th Avenue, Vancouver, V5Z 4E3, Canada.
2 Department of Radiology, Salford Royal Hospitals, NHS Trust, Stott Lane, Salford M6, 8WD, UK.
3 North West Wales NHS Trust, Bangor, Gwynedd L157 2NA, UK.
4 Imaging Science and Biomedical Engineering, Oxford Road, Manchester M13, 9PT, UK.

Correspondence should be sent to Mr W. Y. Kim; e-mail: wjykim{at}hotmail.com

Excessive acetabular cover secondary to a retroverted acetabulum causes pincer impingement, which may cause early osteoarthritis of the hip. Our aim was to determine if there was a relationship between acetabular version and osteoarthritis of the hip. Using image processing and analysis software we studied 117 CT images of the hip in patients aged less than 65 years who had undergone a CT virtual colonoscopy. The mean CT joint space of the 18 hips with acetabular retroversion was narrower compared with the 99 hips with normal acetabular alignment (p < 0.0001). A correlation of r = 0.46 (p < 0.01) was found between right hip acetabular version and the mean right hip joint space and of r = 0.31 (p = 0.02) between left hip acetabular version and the mean left hip joint space. Acetabular retroversion is associated with radiological evidence of osteoarthritis of the hip. An understanding of the mechanical basis of osteoarthritis of the hip allows early treatment of the underlying structural abnormality and prevents progression of the degenerative condition.




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V. M. Ilizaliturri Jr, J. M. Nossa-Barrera, E. Acosta-Rodriguez, and J. Camacho-Galindo
Arthroscopic treatment of femoroacetabular impingement secondary to paediatric hip disorders
J Bone Joint Surg Br, August 1, 2007; 89-B(8): 1025 - 1030.
[Abstract] [Full Text] [PDF]


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Registered charity no: 209299     Print ISSN: 0301-620X
Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General