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Related Experiment Videos

Isolated dislocation of the radial head.

J J Wiley1, J Loehr, W McIntyre

  • 1Children's Hospital of Eastern Ontario, University of Ottawa, Canada.

Orthopaedic Review
|November 1, 1991
PubMed
Summary

Congenital and acquired radial head dislocations present unique challenges. While acute traumatic dislocations are often successfully treated with closed reduction, congenital types and late-diagnosed traumatic dislocations typically require surgical intervention, such as radial head excision.

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Area of Science:

  • Orthopedics
  • Pediatric Orthopedics
  • Traumatology

Background:

  • Isolated radial head dislocation is a rare condition.
  • It can be congenital or acquired, with varied etiologies.
  • Congenital types include familial, synostosis-related, and syndrome-related dislocations.
  • Acquired types stem from trauma, neuromuscular issues, or adaptive changes.

Purpose of the Study:

  • To analyze the characteristics and management outcomes of isolated radial head dislocations.
  • To differentiate between congenital and acquired etiologies.
  • To evaluate treatment success rates for different types and presentations.

Main Methods:

  • Retrospective review of 54 patients with isolated radial head dislocations over 20 years.
  • Classification of dislocations into congenital (26 patients) and acquired (28 patients) types.
  • Analysis of clinical presentations, diagnostic methods, and treatment interventions.

Main Results:

  • Acute traumatic dislocation was the most common presentation (17 patients).
  • Closed reduction was successful in 16 of 17 acute traumatic dislocations.
  • Realignment attempts for late-diagnosed traumatic and congenital dislocations were unsuccessful, necessitating radial head excision.
  • Four patients underwent primary radial head excision.

Conclusions:

  • Management of radial head dislocations depends on etiology and timing of diagnosis.
  • Prompt closed reduction is effective for acute traumatic dislocations.
  • Congenital and late-presenting traumatic dislocations often require surgical management, including radial head excision.

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