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Loosening of the femoral component in surface replacement of the knee

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Summary

The incidence of loosening of the femoral component of the ICLH knee has been found to be lower than that of the tibial component. This is thought to be due to the fact that the compressive strength of the distal femur has been found to be greater than that of the proximal tibia. It has further been shown that the strength of even the femur can be so reduced by the osteoporosis accompanying Rheumatoid Arthritis that it becomes insufficient for adequate prosthetic fixation.

Zusammenfassung

Die Häufigkeit von Lockerungen des femoralen Anteiles der ICLH-Knieprothese ist niedriger als die des tibialen Anteiles. Die Ursache dafür glaubte man in der Tatsache zu sehen, daß die Druckkräfte am distalen Femur höher sind als an der proximalen Tibia. Es konnte jedoch gezeigt werden, daß die Stärke des femoralen Anteiles durch Osteoporose, wie bei PCP, so stark gemindert werden kann, daß die Fixation der Prothese unzureichend wird.

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References

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Authors and Affiliations

  1. The London Hospital, E1 1BB, London, England

    M. A. R. Freeman

Authors
  1. J. Colley
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  2. H. U. Cameron
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  3. M. A. R. Freeman
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  4. S. A. V. Swanson
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Colley, J., Cameron, H.U., Freeman, M.A.R. et al. Loosening of the femoral component in surface replacement of the knee. Arch. Orth. Traum. Surg. 92, 31–34 (1978). https://doi.org/10.1007/BF00381637

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  • DOI: https://doi.org/10.1007/BF00381637

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