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Related Experiment Videos

Shoulder arthrodesis by external fixation.

A Nagano1, S Okinaga, N Ochiai

  • 1Department of Orthopaedic Surgery, Faculty of Medicine, University of Tokyo, Japan.

Clinical Orthopaedics and Related Research
|October 1, 1989
PubMed
Summary

Choosing specific pin sites for shoulder arthrodesis in brachial plexus injury patients ensures stable external fixation. This technique provides rigidity, allows supine positioning, and enables post-operative angle correction, leading to solid bone fusion.

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Biomechanics

Background:

  • Brachial plexus injuries often necessitate shoulder arthrodesis for functional restoration.
  • External fixation is a common method for achieving shoulder fusion.
  • Optimal pin placement is crucial for successful surgical outcomes.

Purpose of the Study:

  • To evaluate the efficacy of a specific pin site selection for external fixation in shoulder arthrodesis.
  • To determine if this method improves scapular stability and surgical flexibility.
  • To assess the rate of solid bony arthrodesis achieved.

Main Methods:

  • Shoulder arthrodesis using external fixation with pins inserted into the coracoid process and scapular spine.
  • Utilizing an anterior insertion into the coracoid process and acromion-based insertion into the scapular spine.

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  • Patient positioning and post-operative fixation angle adjustments were noted.

    • Main Results:

    • The chosen pin insertion sites resulted in a more rigid fixation of the scapula.
    • This technique facilitated supine patient positioning during and after surgery.
    • Post-operative correction of the fixation angle was feasible.
    • Solid bony arthrodesis was achieved in all 11 treated cases within three months.

    Conclusions:

    • The described pin site selection for shoulder arthrodesis in brachial plexus injury is effective.
    • This method enhances surgical stability, patient comfort, and corrective potential.
    • It reliably leads to successful solid bony fusion, improving outcomes for patients with severe shoulder dysfunction.