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Related Experiment Videos

A hinged external fixator for the elbow.

Werner Kolb1, Hanno Guhlmann, Eberhard Markgraf

  • 1Klinik für Unfallchirurgie, Friedrich-Schiller-Universität Jena. wkolb@med.uni-jena.de

Operative Orthopadie Und Traumatologie
|March 15, 2006
PubMed
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This study demonstrates that hinged external fixation can effectively stabilize persistent elbow instability, allowing for early physiotherapy and good functional outcomes in patients with collateral ligament injuries.

Area of Science:

  • Orthopedic Surgery
  • Biomechanics
  • Traumatology

Background:

  • Persistent elbow instability often results from complex dislocations or fractures.
  • Maintaining ulnohumeral joint stability is crucial for collateral ligament healing and functional recovery.
  • Traditional methods may involve prolonged immobilization, hindering rehabilitation.

Purpose of the Study:

  • To evaluate the efficacy of hinged external fixation for stabilizing the ulnohumeral joint.
  • To assess the impact of this technique on flexion-extension preservation and ligament healing.
  • To determine functional outcomes and patient satisfaction following treatment.

Main Methods:

  • Retrospective analysis of ten patients with persistent elbow instability or old dislocations.

Related Experiment Videos

  • Application of hinged external fixation with precise pin placement and joint distraction.
  • Initiation of immediate active and passive physiotherapy under plexus anesthesia.

    • Main Results:

    • Seven patients required internal fixation, with six initially treated using an AO fixator, later converted to hinged fixation.
    • The median Mayo Elbow Function Score was 78, indicating satisfactory to very good functional results.
    • The DASH Score showed an average reduction of 18 points, signifying improved arm, shoulder, and hand function.

    Conclusions:

    • Hinged external fixation provides effective stabilization for persistent elbow instability, safeguarding collateral ligament healing.
    • Early physiotherapy initiation is feasible and contributes to positive functional outcomes.
    • The technique offers a viable option for managing complex elbow instability with acceptable patient satisfaction.