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[Chronic ankle instability].

V Valderrabano1, M Wiewiorski, A Frigg

  • 1Orthopädische Universitätsklinik, Behandlungszentrum Bewegungsapparat, Universitätsspital Basel, Spitalstrasse 21, CH-4031, Basel, Switzerland. vvalderrabano@uhbs.ch

Der Unfallchirurg
|August 9, 2007
PubMed
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Chronic ankle instability, often developing after an ankle sprain, presents complex diagnostic and treatment challenges. This condition can be mechanical or functional, potentially leading to long-term issues like osteoarthritis.

Area of Science:

  • Orthopaedics
  • Sports Medicine
  • Biomechanics

Background:

  • Chronic ankle instability (CAI) affects 20-40% of individuals after an acute ankle sprain.
  • CAI can manifest as lateral, medial, or rotational instability.
  • Pathophysiologically, CAI is categorized as mechanical (ligament damage) or functional (neuromuscular control loss).

Purpose of the Study:

  • To provide a comprehensive review of chronic ankle instability.
  • To elucidate the pathomechanisms, diagnostic approaches, and treatment strategies for CAI.
  • To discuss potential long-term sequelae of CAI.

Main Methods:

  • Literature review focusing on pathomechanisms, diagnostics, and treatment of chronic ankle instability.
  • Analysis of conservative and surgical treatment indications.

Related Experiment Videos

  • Examination of long-term consequences, including ligamentous osteoarthritis.

    • Main Results:

    • Chronic ankle instability is a common sequela of ankle sprains with diverse presentations.
    • Diagnosis is often complex, requiring differentiation between mechanical and functional components.
    • Treatment strategies range from conservative management to surgical interventions, with varying indications.

    Conclusions:

    • Effective management of chronic ankle instability requires a thorough understanding of its complex pathophysiology and diagnostic nuances.
    • Treatment decisions should be individualized based on the type and severity of instability.
    • Early and accurate diagnosis is crucial to prevent long-term complications such as osteoarthritis.