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Synovitis in chronically unstable ankles.

E Larsen1, A Aru

  • 1Copenhagen University, Department of Orthopedics, Denmark.

Acta Orthopaedica Scandinavica
|June 1, 1989
PubMed
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Chronic lateral ankle instability can cause painful synovitis, especially with long-term issues and degenerative changes. Surgical ligamentous repair is recommended for active patients to improve stability and prevent further joint damage.

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Anatomy

Background:

  • Chronic lateral ankle instability is a common condition.
  • It often leads to persistent pain and functional limitations.
  • Histopathologic changes in the ankle joint are not fully understood in this context.

Purpose of the Study:

  • To prospectively investigate histopathologic synovial changes in patients with chronic lateral ankle instability.
  • To identify factors correlating with the severity of synovitis.
  • To evaluate the outcomes of peroneus brevis tenodesis for chronic lateral ankle instability.

Main Methods:

  • Prospective study of 69 patients (75 ankles) undergoing surgery for chronic lateral ankle instability.
  • Histopathologic examination of synovial tissue.

Related Experiment Videos

  • Clinical assessment of pain and functional improvement post-surgery.
  • Correlation analysis between instability duration, degenerative changes, activity level, and synovitis severity.

    • Main Results:

    • A significant proportion of ankles (28/75) exhibited moderate to extreme synovitis.
    • Synovitis severity was not influenced by the degree of ankle instability.
    • Factors associated with increased synovitis included instability duration >4 years, degenerative changes, and high patient activity levels.
    • Peroneus brevis tenodesis resulted in significant pain improvement in most patients.

    Conclusions:

    • Ligamentous repair is recommended for painful, active patients with chronic lateral ankle instability and degenerative changes.
    • This intervention aims to enhance stability, reduce pain, and potentially prevent arthrosis.
    • Early and appropriate surgical management may be crucial for long-term ankle health.