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Related Experiment Videos

Uncemented total hip replacements and thigh pain

G Petrou1, M Gavras, A Diamantopoulos

  • 1Orthopaedic Department, General Hospital A. Fleming, Melissia, Athens, Greece.

Archives of Orthopaedic and Trauma Surgery
|January 1, 1994
PubMed
Summary

This study on uncemented total hip replacements (THRs) found over 90% excellent or very good results with low thigh pain. Prosthesis design factors appear crucial for successful outcomes and avoiding complications.

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Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Medical Device Engineering

Background:

  • Uncemented total hip replacements (THRs) are widely used.
  • Thigh pain is a potential complication of THRs.
  • Stress shielding can occur with certain implant designs.

Purpose of the Study:

  • To evaluate the clinical outcomes of uncemented THRs.
  • To assess the incidence of thigh pain and aseptic loosening.
  • To identify factors contributing to successful THR outcomes.

Main Methods:

  • Review of 51 uncemented THRs in 44 patients.
  • Average follow-up of 4 years.
  • D'Aubigne-Postel-Charnley evaluation system.

Main Results:

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  • Over 90% excellent or very good results.
  • No revisions or aseptic loosenings reported.
  • Only one case of thigh pain, resolving within 2 years.

Conclusions:

  • Uncemented THR design, including alloy, stem shape, and fixation technique, is critical.
  • These design elements may prevent stress shielding and thigh pain.
  • The prosthesis design positively influenced long-term patient outcomes.