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The Journal of Arthroplasty, ISSN: 0883-5403, Vol: 17, Issue: 5, Page: 562-568
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Block allografts in revision total hip arthroplasty
J. F.A. Somers; A. J. Timperley; M. Norton; G. A. Gie; R. TaylorHip
We report on 61 consecutive cemented acetabular revisions in which block allografts were used to reconstruct large defects. After a mean follow-up of 6.5 years, we observed satisfactory results when grafts had been rigidly fixed. Additional buttress-plates can improve the outcome. Paprosky type 3B defects had a double risk of failure. Cup migration had a 56% predictive value for failure. Several metal-backed cups failed, although the graft remained intact. There was a good improvement in functional outcome, which did not deteriorate up to a maximum follow-up of 11 years. Cemented revision total hip arthroplasty with the use of block allografts can give acceptable results in the medium to long term. Copyright 2002, Elsevier Science (USA). All rights reserved.
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