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[Irreducible knee dislocation by medial capsulo-ligament incarceration]
J-M Chirpaz-Cerbat1, J Rossi, G Mélère
1Service de Chirurgie Orthopédique et Traumatologique, CH d'Annecy, 1, avenue du Tresum, 74000 Annecy.
Revue De Chirurgie Orthopedique Et Reparatrice De L'Appareil Moteur
|October 27, 2004
Summary
Irreducible knee dislocations are rare, often caused by capsulo-ligamentary incarceration. Early surgical reduction is crucial to prevent complications like cutaneous necrosis and ensure functional recovery.
Area of Science:
- Orthopedic Surgery
- Traumatology
- Knee Biomechanics
Context:
- Irreducible knee dislocation is an uncommon yet severe injury.
- Incarceration of capsulo-ligamentary structures within the inter-condylar notch is a specific mechanism.
- This study examines four new cases and reviews existing literature.
Purpose:
- To describe the diagnostic and therapeutic approach for irreducible knee dislocations.
- To highlight characteristic clinical signs indicative of incarceration.
- To emphasize the necessity of prompt surgical intervention.
Summary:
- Four patients with irreducible knee dislocations underwent surgical reduction due to failed orthopedic attempts.
- Surgery revealed incarceration of capsulo-ligamentary structures in the inter-condylar notch.
- All patients achieved healing without cutaneous necrosis, with a mean subjective International Knee Documentation Committee (IKDC) score of 53.9.
Impact:
- Establishes characteristic clinical signs for diagnosing incarcerated irreducible knee dislocations.
- Underscores the critical need for early surgical reduction to prevent cutaneous necrosis.
- Recommends associated repair of cruciate ligaments for satisfactory functional recovery.