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Publication Detail
The use of hydroxyapatite-coated CAD-CAM femoral components in adolescents and young adults with inflammatory polyarthropathy: ten-year results
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    McCullough CJ, Remedios D, Tytherleigh-Strong G, Hua J, Walker PS
  • Publisher:
    British Editorial Society of Bone and Joint Surgery
  • Publication date:
    2006
  • Pagination:
    860, 864
  • Journal:
    Journal of Bone and Joint Surgery - Series B
  • Volume:
    88
  • Issue:
    7
  • Print ISSN:
    0301-620X
  • Keywords:
    JRA, THR, CAD-CAM hip, Clinical Follow-up
Abstract
ABSTRACT Between June 1991 and January 1995, 42 hydroxyapatite-coated CAD-CAM femoral components were inserted in 25 patients with inflammatory polyarthropathy (mean age 21 years), 21 of whom had juvenile idiopathic arthritis. All patients were reviewed clinically and with x-rays at one, three and five years. At final review (mean 11.2 years) 37 hips in 23 patients were assessed. Four femoral components (9.5%) had failed, two are radiologically loose and two have been revised. The four failed femoral components were in patients aged 16 years or less at the time of surgery. There were no femoral component failures in patients aged over 16 years (P=0.009). On the basis of these results hydroxyapatite-coated customised femoral components will give excellent medium to long term results in skeletally mature young adults with inflammatory polyarthropathy. Patients aged less than 16 years at the time of surgery have a 28.5% risk of femoral component failure at approximately 10 years.
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