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Revision ankle arthrodesis.

Nicholas Midis1, Stephen F Conti

  • 1University of Pittsburgh Physicians, Department of Orthopaedic Surgery, Pittsburgh, PA 15213, USA.

Foot & Ankle International
|April 6, 2002
PubMed
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Revision ankle arthrodesis using external fixation, bone graft, and bone stimulator successfully achieved fusion in all 10 patients with aseptic nonunion. This effective treatment for complex ankle fusions led to high patient satisfaction and solid radiographic results.

Area of Science:

  • Orthopedic Surgery
  • Reconstructive Surgery

Background:

  • Aseptic nonunion presents a significant challenge in ankle fusion surgery.
  • Revision ankle arthrodesis is often required for patients with prior failed fusion attempts.
  • Post-traumatic and rheumatologic conditions are common etiologies for ankle nonunion.

Purpose of the Study:

  • To evaluate the efficacy of revision ankle arthrodesis using external fixation, bone graft, and an implantable bone stimulator.
  • To assess functional outcomes and complication rates in patients undergoing revision ankle fusion for aseptic nonunion.

Main Methods:

  • A cohort of 10 patients with aseptic nonunion underwent revision ankle arthrodesis.
  • The procedure involved external fixation, bone grafting, and an implantable bone stimulator.

Related Experiment Videos

  • Patients were evaluated clinically and radiographically using a modified AOFAS ankle/hindfoot scoring system.

    • Main Results:

    • Successful fusion was achieved in all 10 patients within an average of 12.8 weeks.
    • Two minor complications were reported: a pin tract infection and a varus malalignment with neuropraxia.
    • Functional outcomes included 3 excellent, 4 good, 2 fair, and 1 poor result, with high patient satisfaction.

    Conclusions:

    • Revision ankle arthrodesis with external fixation, bone graft, and bone stimulator is a viable and effective treatment for aseptic nonunion.
    • This technique demonstrates a high fusion rate and acceptable complication profile.
    • The procedure leads to satisfactory functional outcomes and patient satisfaction in challenging cases of failed ankle fusion.