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Related Experiment Videos

Scaphoid fractures treated by Herbert screw fixation.

R Moran1, J Curtin

  • 1Department of Orthopaedic Surgery, Cork Regional Hospital, Republic of Ireland.

Journal of Hand Surgery (Edinburgh, Scotland)
|November 1, 1988
PubMed
Summary

Herbert screw fixation showed limited success for longstanding scaphoid non-unions, with a notable failure rate. Stronger fixation or prolonged immobilization may be necessary for these complex wrist fractures.

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Hand Surgery

Background:

  • Scaphoid fractures are common wrist injuries.
  • Herbert screw fixation is a surgical technique used for scaphoid fractures.
  • Non-unions represent a significant complication of scaphoid fractures.

Purpose of the Study:

  • To evaluate the efficacy of Herbert screw fixation in treating various types of scaphoid fractures.
  • To assess the outcomes of Herbert screw fixation, particularly in cases of delayed unions and non-unions.
  • To identify factors contributing to treatment failure in scaphoid fracture fixation.

Main Methods:

  • Retrospective analysis of 41 scaphoid fracture cases treated with Herbert screw fixation.
  • Classification of fractures into acute displacement (Type B), delayed union (Type C), and non-union (Type D).
  • Bone grafting was performed for all Type D fractures; follow-up included radiological assessment.

Main Results:

  • Six out of 29 Type D (non-union) fractures failed to achieve radiological union post-surgery.
  • Incorrect screw placement was implicated in two failures.
  • Screw loosening was observed in cases with long delays from injury to surgery (average 7 years).

Conclusions:

  • Herbert screw fixation may be insufficient for longstanding scaphoid non-unions.
  • Alternative fixation methods or prolonged cast immobilization might be required for complex cases.
  • Further research is needed to optimize treatment strategies for scaphoid non-unions.

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