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Knee arthrodesis for failed total knee arthroplasty.

J T Behr, S J Chmell, C M Schwartz

    Archives of Surgery (Chicago, Ill. : 1960)
    |March 1, 1985
    PubMed
    Summary

    Arthrodesis effectively salvages failed total knee replacements, achieving union in eight of nine patients. This surgical procedure restores a pain-free, functional level of activity for most patients.

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    Area of Science:

    • Orthopedic Surgery
    • Reconstructive Surgery

    Background:

    • Total knee arthroplasty (TKA) can fail due to various complications.
    • Salvage procedures are necessary when revision TKA is not feasible.

    Purpose of the Study:

    • To review the efficacy of arthrodesis as a salvage procedure for failed total knee arthroplasty.
    • To evaluate outcomes and union rates following knee arthrodesis.

    Main Methods:

    • A retrospective review of nine patients who underwent knee arthrodesis for failed TKA.
    • Arthrodesis techniques included external fixation, intramedullary rods, and electromagnetic stimulation.

    Main Results:

    • Eight out of nine patients achieved successful arthrodesis, with an average union time of 5.4 months.
    • The primary reasons for TKA failure were infection (six), aseptic loosening (two), and instability (one).
    • All successfully treated patients returned to a pain-free functional level of activity.

    Conclusions:

    • Knee arthrodesis is a viable and effective salvage option for failed total knee arthroplasty.
    • Meticulous surgical technique and selection of the appropriate arthrodesis method are crucial for successful outcomes.

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