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Related Experiment Video

Updated: Jun 2, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

Drop foot after knee dislocation: evaluation and treatment.

Gerard Cush1, Kaan Irgit

  • 1Geisinger Medical Center, Department of Orthopaedics, Danville, PA 17822, USA. GJCUSH@geisinger.edu

Sports Medicine and Arthroscopy Review
|May 5, 2011
PubMed
Summary

Common peroneal nerve (CPN) palsy is a frequent complication of knee dislocations, significantly impacting patient outcomes. Prompt diagnosis and appropriate management, often surgical for persistent cases, are crucial for better functional recovery.

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Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...

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Area of Science:

  • Orthopedic Surgery
  • Neurology
  • Traumatology

Background:

  • Knee dislocations, though uncommon, carry a high risk of serious complications.
  • Common peroneal nerve (CPN) palsy is a frequent and debilitating complication, occurring in up to 50% of cases.
  • Unresolved CPN palsy significantly contributes to poor functional outcomes post-knee dislocation, even after successful ligament repair.

Purpose of the Study:

  • To review the incidence, diagnosis, and management of common peroneal nerve palsy following knee dislocations.
  • To emphasize the importance of early recognition and timely intervention for optimal patient prognosis.

Main Methods:

  • Literature review focusing on studies related to knee dislocations and CPN palsy.
  • Analysis of clinical presentation, diagnostic approaches, and various treatment strategies.

Related Experiment Videos

Last Updated: Jun 2, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

  • Evaluation of outcomes associated with conservative versus surgical management.

    • Main Results:

    • CPN palsy is more prevalent in open, rotatory, and posterolateral corner knee dislocations.
    • Clinical diagnosis requires a high index of suspicion; imaging may aid in identifying associated injuries.
    • While acute surgical exploration is debated, surgery is the preferred treatment for persistent nerve deficits, yielding better functional results than conservative care.

    Conclusions:

    • Early detection and management of CPN palsy are critical for improving outcomes after knee dislocations.
    • Surgical interventions like neurolysis, nerve repair, or grafting offer better functional recovery for persistent nerve damage.
    • Delayed surgical treatment is associated with poorer prognoses, underscoring the need for prompt evaluation and intervention.