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Journal of Bone and Joint Surgery - British Volume, Vol 91-B, Issue SUPP_II, 208.  
Copyright © 2009 by British Editorial Society of Bone and Joint Surgery
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British Orthopaedic Specialists Association

London, England: 25 April 2007

President: Mr A Choudhary

SHORT TERM RESULTS OF UNCEMENTED ACETABULAR REVISION USING BOFOR CUP-A PROSPECTIVE STUDY

W. Hekal; A.S. Desai; and M.J. Farhan

Department of orthopaedics, Bassetlaw hospital, Worksop, U.K.

Aim of the study: To assess the results of the uncemented oblong shaped Bofor cup in acetabular revision.

Methods & materials: A prospective study from January 2001 to July 2006.15 cases of acetabular revision in 14 patients is studied. Paprosky classification for the acetabular defects is used. Final outcome assessed clinically and radiologically. Both Harris hip and Oxford hip functional scoring is used to assess the patients. None of the cases are lost in follow up.

Results: The average follow-up was 36 months (range 8–52 months). All the cases were of aseptic loosening. 1case of type 2a, 6 cases of type 2b, 5 cases of type 2c, 3cases of type 3 defect and 4 cases with medial wall defect were noted. Stem was revised in 8 cases.

In 4 cases auto graft from iliac crest was used. allograft was not used in any cases. In 12 cases 15 degree hooded insert was used. Average HHS improved from 30 points (range 20–38) to 84 points (range 70–90). Average OHS improved from 24 points (range 18–40) to 82 points (range 74–92). There were no cases of dislocation&infection.1 patient had sciatic nerve neuropraxia.1 case of severe Ankylosing spondylitis failed which was revised.

Conclusion: Assemytical shape and design of the Boforcup makes it an useful cup for segmental and cavitatory acetabular defects. Pre operative classification of acetabular defects is inconsistent and unreliable. Allograft usage is not essential for these defects.

Correspondence should be addressed to Mr Bimal Singh, c/o BOSA at the Royal College of Surgeons, 35–43 Lincoln’s Inn Fields, London WC2A 3PE






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