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Ankle arthrodesis. Problems and pitfalls.

R J Hagen

    Clinical Orthopaedics and Related Research
    |January 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Compression ankle arthrodesis has a 65% fusion rate, with nonunions requiring longer immobilization. Failures often stem from inadequate fixation, highlighting the need for improved devices like the Triangular Compression Device for better ankle fusion outcomes.

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    Area of Science:

    • Orthopedic Surgery
    • Biomedical Engineering

    Background:

    • Compression ankle arthrodesis is a common procedure.
    • Achieving consistent fusion rates remains a challenge.

    Purpose of the Study:

    • To evaluate the efficacy of compression ankle arthrodesis.
    • To identify factors contributing to nonunion.
    • To introduce a novel fixation device.

    Main Methods:

    • Retrospective review of 17 patients undergoing compression ankle arthrodesis.
    • Analysis of fusion rates, immobilization duration, and complications.
    • Comparison of standard fixation with a new Triangular Compression Device.

    Main Results:

    • Achieved an 11/17 (65%) fusion rate with an average immobilization of 5 months.

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  • Nonunion occurred in 6/17 (35%) patients, requiring an average of 10 months immobilization.
  • Two nonunion cases necessitated below-knee amputation.

    • Conclusions:

    • Compression ankle arthrodesis success is limited by fixation methods.
    • External fixation devices often lack rigid, multi-planar stability.
    • The Triangular Compression Device offers a solution for rigid immobilization and improved ankle fusion.