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[Hydroxyapatite-coated total hip prosthesis. 3d-generation hip prostheses].

S Mikic1, R W Pfirrmann

  • 1Chirurgische Abteilung, Kantonalen Spitals Wolhusen/Luzern.

Zentralblatt Fur Chirurgie
|January 1, 1990
PubMed
Summary

Hydroxyapatite-coated (HA) cementless hip prostheses promote earlier patient mobility and pain relief. These implants demonstrate successful bone ingrowth, confirming their clinical benefits over uncoated alternatives.

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Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Medical Device Engineering

Context:

  • Cementless total hip arthroplasty is a common orthopedic procedure.
  • Hydroxyapatite (HA) coating is utilized to enhance bone integration of implants.
  • Long-term clinical outcomes of HA-coated prostheses require continued evaluation.

Purpose:

  • To evaluate the clinical efficacy and bone integration of hydroxyapatite-coated (HA) cementless total hip prostheses.
  • To compare the outcomes of HA-coated prostheses with traditional uncoated prostheses.
  • To assess patient recovery, pain levels, and radiographic evidence of bone ingrowth.

Summary:

  • Thirty patients receiving HA-coated cementless total hip prostheses were assessed 21 months post-surgery.

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  • Results indicated earlier patient mobilization and significant pain reduction compared to uncoated prostheses.
  • Radiographic analysis confirmed bone ingrowth and absence of fibrous tissue encapsulation, indicating successful osseointegration.

    • Impact:

    • The findings support the use of HA-coated cementless hip prostheses for improved patient outcomes.
    • Demonstrates the biological advantage of HA coating in promoting direct bone apposition.
    • Highlights potential for enhanced implant longevity and reduced revision rates in total hip arthroplasty.