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Simultaneous bilateral total hip arthroplasty with hydroxyapatite coated implants

K A Egol1, J H Lonner, W L Jaffe

  • 1Department of Orthopaedic Surgery, Hospital for Joint Diseases Orthopaedic Institute, New York, New York, USA.

Bulletin (Hospital for Joint Diseases (New York, N.Y.))
|April 29, 1998
PubMed
Summary

Simultaneous bilateral total hip arthroplasty using hydroxyapatite components demonstrated significant improvements in pain and function. This procedure showed minimal complications and no component loosening at long-term follow-up.

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Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science

Background:

  • Total hip arthroplasty (THA) is a common procedure for hip joint disease.
  • Hydroxyapatite-coated implants are used to promote bone integration.

Purpose of the Study:

  • To evaluate the outcomes of simultaneous bilateral total hip arthroplasty (THA) with hydroxyapatite-coated components.
  • To assess postoperative pain, function, range of motion, and complications.

Main Methods:

  • A prospective study followed 30 patients (60 hips) who underwent simultaneous bilateral THA.
  • Hydroxyapatite components were utilized in all patients.
  • Follow-up ranged from 24 to 78 months (mean 49 months).

Main Results:

  • All patients reported improved hip pain, function, and range of motion post-surgery.

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  • Postoperative complications were minimal, with no thromboembolic events.
  • Radiographic evaluation revealed no component loosening at the latest follow-up; heterotopic bone formation occurred in 30% of hips.

    • Conclusions:

    • Simultaneous bilateral THA with hydroxyapatite components offers favorable clinical outcomes.
    • The procedure is associated with low complication rates and excellent implant stability.
    • Hydroxyapatite coating appears to facilitate successful long-term hip arthroplasty outcomes.