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[Chronic recurrent ligament instability on the lateral ankle].
1Chirurgische Abteilung, Bundeswehrzentralkrankenhaus Ulm.
Der Orthopade
|August 4, 1999
Summary
Chronic ankle instability, often following ligament rupture, involves ligament damage and peroneal muscle dysfunction. Treatment includes bracing, rehabilitation, and surgical reconstruction for persistent mechanical instability.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Biomechanics
Context:
- Chronic ankle instability (CAI) affects 10-20% of individuals after acute lateral ankle ligament rupture.
- Etiology involves ligamentous damage and peroneal neuromuscular dysfunction.
- Standard diagnostics include history, clinical examination, and stress radiography.
Purpose:
- To review the diagnostic methods and management strategies for chronic ankle instability.
- To outline current conservative and surgical treatment options.
- To establish a priority list for surgical procedures.
Summary:
- CAI diagnosis relies on patient history, clinical assessment, and imaging, with emerging techniques like stabilometry and dynamic pedography offering further insights.
- Conservative management focuses on ankle bracing and peroneal muscle rehabilitation (strengthening and coordination).
- Surgical intervention is indicated for documented mechanical instability unresponsive to conservative care, prioritizing anatomical repair, Watson-Jones, or Chrisman-Snook tenodesis.
Impact:
- Provides a comprehensive overview of chronic ankle instability diagnosis and treatment.
- Highlights the importance of peroneal muscle function in ankle stability.
- Offers guidance on selecting appropriate surgical techniques based on clinical findings and patient needs.