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Dynamics of femoral bone remodelling in well fixed total hip arthroplasty. A 20-year follow-up of 20 hips.

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Author

  • Justinas Stucinskas
  • Martin Clauss
  • Sarunas Tarasevicius
  • Hans Wingstrand
  • Thomas Ilchmann

Summary, in English

The aim of our study was to investigate the dynamics of cortical thinning around well fixed cemented Muller straight stems without osteolysis at different time periods during long term follow-up. We investigated patients operated on for osteoarthritis with a cemented Muller straight stem, all with more than 15 years follow-up and no radiological signs of osteolysis. Cortical thinning in 20 THA hips (19 patients) followed for a mean of 20 (16 to 22) years was measured medially and laterally at six levels from the first postoperative, five, 10 years and the last follow-up x-rays. Sixty percent of observed cortical thinning occurred during the first five postoperative years, which was more evident proximally. We conclude that significantly greater cortical bone loss occurs around cemented Muller straight stems during the first five years, than is seen subsequently. We feel that this is a non-pathological process mainly related to the Muller straight stem.

Publishing year

2014

Language

English

Pages

149-154

Publication/Series

HIP International

Volume

24

Issue

2

Document type

Journal article

Publisher

SAGE Publications

Topic

  • Orthopedics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1724-6067