The Results of Acetabular Impaction Grafting in 129 Primary Cemented Total Hip Arthroplasties |
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Authors: | Matthew J. Wilson Sarah L. Whitehouse Jonathan R. Howell Matthew J.W. Hubble A. John Timperley Graham A. Gie |
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Affiliation: | 1. The Princess Elizabeth Orthopaedic Centre, Royal Devon and Exeter Hospital, Exeter, Devon UK;2. Institute of Health and Biomedical Innovation, Queensland University of Technology, The Prince Charles Hospital, Chermside, Brisbane, Queensland, Australia |
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Abstract: | Between 1995 and 2003, 129 cemented primary THAs were performed using full acetabular impaction grafting to reconstruct acetabular deficiencies. These were classified as cavitary in 74 and segmental in 55 hips. Eighty-one patients were reviewed at mean 9.1 (6.2–14.3) years post-operatively. There were seven acetabular component revisions due to aseptic loosening, and a further 11 cases that had migrated > 5 mm or tilted > 5° on radiological review — ten of which reported no symptoms. Kaplan–Meier analysis of revisions for aseptic loosening demonstrates 100% survival at nine years for cavitary defects compared to 82.6% for segmental defects. Our results suggest that the medium-term survival of this technique is excellent when used for purely cavitary defects but less predictable when used with large rim meshes in segmental defects. |
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Keywords: | impaction grafting socket acetabulum survival cement |
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