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Related Experiment Videos

Triple arthrodesis: a long-term study with force plate analysis

R B Southwell, F C Sherman

    Foot & Ankle
    |July 1, 1981
    PubMed
    Summary
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    Triple arthrodesis offers good outcomes for many patients, but residual deformities can cause pain and alter foot biomechanics. Surgical correction of varus deformity is crucial for successful long-term results.

    Area of Science:

    • Orthopedic Surgery
    • Biomechanics
    • Podiatric Medicine

    Background:

    • Triple arthrodesis is a surgical procedure to fuse the three joints of the hindfoot.
    • Evaluating long-term outcomes and biomechanical changes after triple arthrodesis is essential for patient management.

    Observation:

    • This study assessed 36 triple arthrodesis procedures in 24 patients at an average of 8 years post-surgery.
    • Liquid crystal force plate analysis and clinical assessments were used to evaluate outcomes.
    • Radiographic degenerative changes were correlated with patient-reported pain.

    Findings:

    • 58% of patients achieved ideal or good outcomes, with 11% experiencing surgical failure.
    • Surgical failures were primarily linked to inadequate correction of varus deformity.

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  • Deviations in load-bearing patterns were observed, including posterior heel and forefoot force concentrations, and increased midfoot weightbearing.

    • Implications:

    • Triple arthrodesis can yield satisfactory results, but careful surgical technique is vital to avoid residual deformities.
    • Altered biomechanics and load distribution post-surgery may lead to symptomatic pain and degenerative changes.
    • Further research into optimizing surgical correction and managing post-operative biomechanical alterations is warranted.