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Unstable elbow dislocations.

Andrew D Duckworth1, David Ring, Anna Kulijdian

  • 1Edinburgh University Medical School, Edinburgh, UK.

Journal of Shoulder and Elbow Surgery
|December 11, 2007
PubMed
Summary
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Operative treatment for persistent elbow dislocations may require more than just ligament repair. A hinged external fixator can provide necessary protection, ensuring elbow stability and improving patient outcomes.

Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Elbow Biomechanics

Background:

  • Posterior elbow dislocations can lead to persistent instability and redislocation after initial reduction.
  • Minimal capsuloligamentous avulsion fractures may accompany these dislocations, complicating management.

Purpose of the Study:

  • To evaluate the effectiveness of operative interventions for posterior elbow dislocations with persistent redislocation.
  • To determine if ligament repair alone is sufficient or if additional fixation is needed.

Main Methods:

  • Seventeen patients underwent operative treatment for posterior elbow dislocations.
  • Procedures included open reduction with ligament repair, with or without hinged external fixation, and closed reduction with cross pinning.

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Main Results:

  • All 17 patients achieved a stable elbow post-treatment.
  • Ligament repair alone resulted in 42% residual instability (redislocation or subluxation).
  • Patients treated with hinged external fixation showed improved stability.

Conclusions:

  • A small subset of elbow dislocations necessitates surgical intervention.
  • Ligament repair alone may be insufficient for maintaining elbow stability.
  • Hinged external fixation is recommended for protecting the repaired elbow joint.