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Partial excision of the triangular fibrocartilage complex.

A K Palmer1, F W Werner, R R Glisson

  • 1Department of Orthopedic Surgery, State University of New York Health Science Center, Syracuse 13202.

The Journal of Hand Surgery
|May 1, 1988
PubMed
Summary
This summary is machine-generated.

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Partial excision of the triangular fibrocartilage complex (TFCC) in less than two-thirds of its horizontal portion showed no significant effect on forearm axial load transmission in a cadaver model. This biomechanical data supports conservative TFCC central excision for perforations.

Area of Science:

  • Orthopedic Surgery
  • Biomechanics
  • Hand and Wrist Anatomy

Background:

  • The triangular fibrocartilage complex (TFCC) is crucial for wrist stability and load transmission.
  • Central TFCC perforations are common injuries, often treated surgically.
  • The biomechanical consequences of partial TFCC excision require clarification.

Purpose of the Study:

  • To investigate the biomechanical impact of partial triangular fibrocartilage complex (TFCC) excision on ulnar wrist kinetics.
  • To evaluate forearm axial load transmission after simulated partial TFCC excision in a cadaver model.

Main Methods:

  • Utilized a cadaveric wrist model for biomechanical testing.
  • Performed partial excision of the horizontal portion of the TFCC.
  • Measured forearm axial load transmission before and after TFCC excision.

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Main Results:

  • Excision of less than two-thirds of the TFCC's horizontal portion did not result in a statistically significant alteration of forearm axial load transmission.
  • The biomechanical effect on load transmission was minimal within the tested range of partial excision.

Conclusions:

  • Partial excision of the central TFCC, when involving less than two-thirds of the horizontal portion, appears biomechanically safe regarding axial load transmission.
  • These findings provide biomechanical support for clinical procedures involving conservative central TFCC excision for specific TFCC injuries.