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Related Experiment Videos

Primary bipolar total hip arthroplasty.

J A Shaw1, A Bruno, R B Greer

  • 1Division of Orthopaedic Surgery, Milton S. Hershey Medical Center, Pennsylvania State University College of Medicine 17033.

Seminars in Arthroplasty
|June 8, 1990
PubMed
Summary
This summary is machine-generated.

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Total hip arthroplasty with a bipolar acetabular component and uncemented femoral component shows high patient satisfaction and good functional outcomes. Most implants survived, with few revisions needed for dislocation or infection.

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Clinical Outcomes Research

Background:

  • Total hip arthroplasty (THA) is a common procedure for hip joint dysfunction.
  • Bipolar acetabular components and uncemented femoral components are used in THA.
  • Evaluating long-term outcomes of specific implant combinations is crucial.

Purpose of the Study:

  • To assess the clinical and radiographic outcomes of primary total hip arthroplasty.
  • To evaluate the efficacy of a bipolar acetabular component combined with an uncemented AML femoral component.
  • To determine patient satisfaction and implant survival rates.

Main Methods:

  • Retrospective review of 140 primary total hip arthroplasties.
  • Utilized bipolar acetabular and uncemented AML femoral components.

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  • Follow-up ranged from 2 to 5 years (mean 44.2 months).
  • Clinical outcomes assessed using Harris hip and pain scores.
  • Radiographic analysis for component migration.

    • Main Results:

    • Mean postoperative Harris hip score of 84.3 and pain score of 38.8.
    • Five hips (3.6%) required revision surgery (3 dislocations, 2 infections).
    • Acetabular component migration (≥2 mm) occurred in 9% of cases.
    • Migration was not statistically linked to poorer functional or pain scores.
    • 98% of patients with surviving implants reported satisfaction.

    Conclusions:

    • Total hip arthroplasty with this implant combination demonstrates successful outcomes.
    • High patient satisfaction and implant survival rates were observed.
    • Bipolar acetabular components appear to be a successful option in THA.