Comparison of two hydroxyapatite-coated femoral stems: clinical, functional, and bone densitometry evaluation of patients randomized to a regular or modified hydroxyapatite-coated stem aimed at proximal fixation.

@article{Sluimer2006ComparisonOT,
  title={Comparison of two hydroxyapatite-coated femoral stems: clinical, functional, and bone densitometry evaluation of patients randomized to a regular or modified hydroxyapatite-coated stem aimed at proximal fixation.},
  author={Judith C. Sluimer and Nicolette H M Hoefnagels and Pieter J. Emans and Roel Kuijer and Rudolph G. T. Geesink},
  journal={The Journal of arthroplasty},
  year={2006},
  volume={21 3},
  pages={344-52}
}
Clinical function, bone mineral density (BMD), and radiographs of 80 randomly allocated, hydroxyapatite-coated femoral stems of two differing lengths were studied for 2 years. The short stem was optimized for proximal fixation. The predictive value of bone densitometry was also studied. After 2 years, significantly more bone apposition and a higher BMD percentage were observed in Gruen zone 7 of the short stem. We conclude that stem design can be enhanced to achieve more proximal fixation… CONTINUE READING

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