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Related Experiment Videos

Sigmoid notch osseous reconstruction.

Stephen K Y Tham1, Gregory I Bain

  • 1St. Vincent's Hospital Hand Unit, Melbourne, Dandenong Hospital, Dandenong, and Victorian Hand Surgery Associates, Melbourne, Victoria, Australia.

Techniques in Hand & Upper Extremity Surgery
|June 1, 2007
PubMed
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This study presents a surgical technique using osteoplasty or osteotomy of the sigmoid notch to fix distal radioulnar joint instability caused by bone anatomy issues. This method addresses the bone problem directly, avoiding complex soft tissue surgeries.

Area of Science:

  • Orthopedic Surgery
  • Anatomy
  • Biomechanics

Background:

  • Distal radioulnar joint (DRUJ) instability can arise from osseous abnormalities.
  • Existing treatments for chronic instability often involve complex soft tissue procedures or salvage operations.
  • Impacted fractures of the sigmoid notch's dorsal rim can lead to DRUJ instability.

Purpose of the Study:

  • To describe a surgical technique for restoring distal radioulnar joint (DRUJ) stability and congruency.
  • To address osseous causes of DRUJ instability through osteoplasty or osteotomy of the sigmoid notch.
  • To offer an alternative to soft tissue procedures for chronic volar or dorsal instability.

Main Methods:

  • Osteoplasty of the sigmoid notch.
  • Osteotomy of the sigmoid notch.

Related Experiment Videos

  • Surgical correction targeting osseous abnormalities of the sigmoid notch.

    • Main Results:

    • Restoration of stability and congruency to the distal radioulnar joint (DRUJ).
    • Directly addresses the underlying osseous cause of DRUJ instability.
    • Avoids the need for complex soft tissue or salvage procedures.

    Conclusions:

    • Osteoplasty or osteotomy of the sigmoid notch is an effective technique for DRUJ instability.
    • This osseous approach provides a solution for instability resulting from anatomical abnormalities.
    • The technique offers a viable alternative to soft tissue interventions for specific DRUJ instability patterns.