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Knee Dislocation Updated 4/2010

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BASICS

  • Description
  • General Prevention
  • Epidemiology
  • Associated Conditions

DIAGNOSIS

  • Signs and Symptoms
  • Tests
  • Differential Diagnosis

TREATMENT

  • General Measures
  • Special Therapy
  • Medication (Drugs)
  • Surgery

Ongoing Care

  • Disposition
  • Prognosis
  • Complications
The following is an excerpt....
BASICS
Description
  • Dislocation of the knee is an orthopaedic emergency.
  • The most common causes are motor vehicle accidents, followed by sports and falls from heights.
  • Classification:
    • Anterior
    • Posterior
    • Medial
    • Lateral
    • Rotary: Subclassified as anteromedial, anterolateral, posteromedial, posterolateral
General Prevention

Seat belts and airbags are the best methods of prevention.

Epidemiology
Incidence

Rare

Associated Conditions
  • Neurovascular injury, particularly to the popliteal artery or peroneal nerve
  • Fractures of the tibia or femur
  • Rupture of the collateral and/or cruciate ligaments

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Knee joint injuries: torn ligaments, ACL ruptures, PCL ruptures. Credit: From Moore KL, PhD, FRSM, FIAC & Dalley AF II, PhD. Clinical Oriented Anatomy (4th ed.). Baltimore, Lippincott Williams & Wilkins 1999.