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Multidirectional radiocarpal dislocation without fracture: a case report.

C W Fennell1, R Y McMurtry, C J Fairbanks

  • 1Department of Surgery, Faculty of Medicine, University of Calgary, Alberta, Canada.

The Journal of Hand Surgery
|July 1, 1992
PubMed
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This case study details the first reported instance of posttraumatic multidirectional instability in the radiocarpal joint. Prompt identification and anatomical realignment are crucial for successful treatment and preventing further joint laxity.

Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Radiocarpal Joint Biomechanics

Background:

  • Posttraumatic instability of the radiocarpal joint is a complex condition.
  • Understanding its varied presentations is critical for effective management.
  • Literature review highlights the rarity of multidirectional instability following radiocarpal dislocation.

Observation:

  • A 31-year-old male presented with palmar radiocarpal dislocation.
  • Following closed reduction, the joint exhibited dorsal dislocation, ulnar translation, and dorsal intercalated segmental instability.
  • This indicates a complex, multidirectional instability pattern.

Findings:

  • The case represents the first reported instance of posttraumatic multidirectional instability of the radiocarpal joint.

Related Experiment Videos

  • Open reduction and internal fixation, followed by 11 weeks of immobilization, yielded excellent clinical and radiographic outcomes at 32 months.
  • Anatomic realignment is key to soft tissue healing and preventing secondary ligamentous laxity.

    • Implications:

    • Multidirectional instability should be actively assessed in cases of radiocarpal dislocation.
    • Comprehensive evaluation is necessary for appropriate treatment planning.
    • Surgical intervention focusing on anatomical restoration can lead to favorable long-term results in complex radiocarpal instabilities.