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Related Experiment Videos

Ankle syndesmotic injury.

Charalampos Zalavras1, David Thordarson

  • 1Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Los Angeles 90089-9312, USA.

The Journal of the American Academy of Orthopaedic Surgeons
|June 6, 2007
PubMed
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Ankle syndesmotic injuries can cause instability, especially with deltoid ligament damage. Early diagnosis and proper fixation of syndesmotic disruption are crucial for successful ankle joint healing and function.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Anatomy

Background:

  • Ankle syndesmotic injuries can occur alone or with fractures.
  • Deltoid ligament injury significantly increases ankle joint instability when combined with syndesmotic injury.
  • Syndesmotic injuries may not always present with obvious radiographic signs.

Purpose of the Study:

  • To highlight the diagnostic challenges of ankle syndesmotic injuries.
  • To emphasize the importance of syndesmotic stability for overall ankle function.
  • To outline the management goals and indications for syndesmotic fixation.

Main Methods:

  • Review of clinical presentation, including tenderness and specific physical tests (squeeze test, external rotation test).
  • Analysis of radiographic findings such as increased tibiofibular clear space and decreased overlap.

Related Experiment Videos

  • Discussion of the necessity for stress testing to detect subtle syndesmotic instability.

    • Main Results:

    • Physical examination and specific tests are key for diagnosing syndesmotic injury, particularly when fractures are absent.
    • Radiographic evidence like increased tibiofibular clear space may not always be present.
    • Syndesmotic instability requires intervention to restore normal tibiofibular relationships.

    Conclusions:

    • Ankle syndesmotic injury requires careful diagnosis, as it can lead to significant instability.
    • Early and accurate diagnosis, potentially including stress testing, is vital.
    • Failure to diagnose and stabilize syndesmotic disruption negatively impacts patient outcomes.