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Related Experiment Videos

Traumatic dislocation of the knee.

T E Kremchek1, R E Welling, E J Kremchek

  • 1Department of Orthopaedic Surgery, Tufts University-New England Medical Center, Boston, Massachusetts.

Orthopaedic Review
|October 1, 1989
PubMed
Summary
This summary is machine-generated.

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Traumatic knee dislocation is rare but causes disability. Immediate reduction and evaluation of the popliteal space for neurovascular injury are critical for optimal outcomes.

Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Biomechanics

Background:

  • Traumatic knee dislocation is an uncommon injury with a high risk of long-term disability.
  • Associated neurovascular injuries, particularly in the popliteal space, are frequent and require careful assessment.

Purpose of the Study:

  • To review the incidence, classification, anatomy, and biomechanical causes of traumatic knee dislocation.
  • To highlight the importance of prompt management and evaluation of associated injuries.

Main Methods:

  • Review of literature concerning traumatic knee dislocation.
  • Discussion of diagnostic and therapeutic strategies, including closed reduction, radiography, and angiography.
  • Analysis of treatment options for associated ligamentous and neurovascular injuries.

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Main Results:

  • Immediate closed reduction is recommended for gross deformity, followed by imaging and splinting.
  • Posterolateral dislocations may be irreducible by closed manipulation.
  • Neurovascular status requires reassessment post-reduction, with angiography recommended to detect vascular injury; peroneal nerve injury has a poor prognosis.
  • Treatment for ligament injuries varies from conservative management to surgical repair, with operative intervention favored for specific patient groups.

Conclusions:

  • Early recognition and management of traumatic knee dislocation and its associated neurovascular complications are essential.
  • Prompt reduction, thorough neurovascular assessment, and appropriate ligamentous repair, combined with early physical therapy, are crucial for favorable patient outcomes.