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Don't throw away the Austin Moore.

R E Marcus1, J J Heintz, G A Pattee

  • 1Department of Orthopaedics, University Hospital of Cleveland, Ohio 44106.

The Journal of Arthroplasty
|March 1, 1992
PubMed
Summary
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This study compared two hip replacement methods for elderly patients with femoral neck fractures. Both Austin Moore and bipolar prostheses showed similar long-term functional outcomes and Harris hip scores, despite differences in early mortality.

Area of Science:

  • Orthopedic Surgery
  • Geriatric Medicine
  • Biomedical Engineering

Background:

  • Displaced femoral neck fractures are common in the elderly.
  • Femoral head prosthetic replacement is a standard treatment.
  • Long-term outcomes of different prosthetic types require evaluation.

Purpose of the Study:

  • To compare the outcomes of Austin Moore prostheses versus bipolar proximal femoral replacements for elderly patients with femoral neck fractures.
  • To evaluate perioperative complications and functional long-term follow-up.

Main Methods:

  • Retrospective review of 173 elderly patients undergoing primary prosthetic replacement for femoral neck fractures.
  • Comparison of 100 press-fit Austin Moore procedures (1977-1981) with 80 bipolar proximal femoral replacements (1985-1987).

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  • Exclusion of patients with pathologic fractures; analysis of medical complications, dislocations, mortality, and Harris hip scores.

    • Main Results:

    • No statistically significant difference in mean Harris hip scores (mean of 76) between the Austin Moore and bipolar groups at 26-month follow-up.
    • Similar medical complication rates and no deep infections in either group.
    • Higher early mortality in the bipolar group (11%) compared to the Austin Moore group (7%), but similar 2-year mortality rates (20% vs. 24%).

    Conclusions:

    • Both Austin Moore and bipolar proximal femoral replacements offer comparable functional outcomes for elderly patients with femoral neck fractures.
    • The choice of prosthesis may involve considerations beyond functional scores, such as early mortality rates.
    • Continued evaluation of surgical techniques and implant outcomes in geriatric fracture care is warranted.