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Publication Detail
Uncemented custom computer-assisted design and manufacture of hydroxyapatite-coated femoral components - SURVIVAL AT 10 TO 17 YEARS
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Muirhead-Allwood S, Sandiford N, Skinner J, HUA J, Kabir C, Walker P
  • Publisher:
    British Editorial Society of Bone and Joint Surgery
  • Publication date:
    2010
  • Place of publication:
    UK
  • Pagination:
    1079, 1084
  • Journal:
    J Bone and Joint Surgery
  • Volume:
    92-B
  • Issue:
    8
  • Status:
    Published
  • Country:
    UK
Abstract
We present the 10- to 17-year results of 112 computer-assisted design computer-assisted manufacture femoral components. The total hip replacements were performed between 1992 and 1998 in 111 patients, comprising 53 men and 58 women. Their mean age was 46.2 years (24.6 to 62.2) with a mean follow-up of 13 years (10 to 17). The mean Harris Hip Score improved from 42.4 (7 to 99) to 90.3 (38 to 100), the mean Oxford Hip Score from 43.1 (12 to 59) to 18.2 (12 to 51) and the mean Western Ontario MacMasters University Osteoarthritis Index score from 57.0 (7 to 96) to 11.9 (0 to 85). There was one revision due to failure of the acetabular component but no failures of the femoral component. There were no revisions for aseptic loosening. The worst-case survival in this cohort of custom femoral components at 13.2 years follow-up was 98.2% (95% confidence interval 95 to 99). Overall survival of this series of total hip replacements was 97.3% (95% confidence interval 95 to 99). These results are comparable with the best medium- to long-term results for femoral components used in primary total hip replacement with any means of fixation
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