Migration and wear of a hydroxyapatite-coated hip prosthesis. A controlled roentgen stereophotogrammetric study.

@article{Onsten1996MigrationAW,
  title={Migration and wear of a hydroxyapatite-coated hip prosthesis. A controlled roentgen stereophotogrammetric study.},
  author={Ingemar Onsten and Ake Carlsson and Lennart Sanz{\'e}n and Jack Besjakov},
  journal={The Journal of bone and joint surgery. British volume},
  year={1996},
  volume={78 1},
  pages={85-91}
}
A consecutive series of 30 total hip replacements using a hydroxyapatite (HA)-coated, modular implant (Omnifit) was followed clinically and by roentgen stereophotogrammetric analysis for two years and compared with two control groups, one of 27 cemented Charnley sockets and one of 40 cemented Charnley stems. Omnifit sockets with a central gap between the dome of the socket and the acetabular bone in the postoperative radiographs, migrated less than sockets without such gaps (p = 0.01). After… CONTINUE READING

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