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Related Experiment Videos

External fixation. Technical advances based upon multiplanar ligamentotaxis

J M Agee1

  • 1Hand Biomechanics Lab, Inc, Sacramento, California.

The Orthopedic Clinics of North America
|April 1, 1993
PubMed
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Ligamentotaxis using external fixation effectively restores length and alignment in distal radial fractures. This technique allows for precise manipulation of the distal radial fragment, improving outcomes for fracture reduction.

Area of Science:

  • Orthopedic surgery
  • Biomechanics
  • Fracture management

Background:

  • Distal radial fractures are common injuries.
  • Restoring skeletal length and articular congruity is crucial for optimal function.
  • Traditional methods may have limitations in achieving precise reduction.

Purpose of the Study:

  • To evaluate the efficacy of ligamentotaxis via external skeletal fixation in treating distal radial fractures.
  • To demonstrate the application of ligamentotaxis in multiple planes for fragment alignment and tilting.

Main Methods:

  • Utilizing external skeletal fixation for longitudinal traction and multi-planar translation (radial-ulnar, dorsal-palmar) of the hand.
  • Applying ligamentotaxis to achieve alignment and tilting of the distal radial fragment and its articular surface.

Related Experiment Videos

  • Restoring palmar tilt through palmar translation and adjusting wrist position to neutral or extension.

    • Main Results:

    • Ligamentotaxis effectively restores skeletal length in distal radial fractures.
    • Multi-planar translation facilitates alignment and tilting of the distal radial fragment.
    • Restoration of palmar tilt and appropriate wrist positioning are achievable without compromising reduction.

    Conclusions:

    • Ligamentotaxis through external skeletal fixation is a valuable principle for managing distal radial fractures.
    • This technique allows for precise control over fragment reduction and articular alignment.
    • Optimizing wrist position post-reduction can mitigate complications like finger stiffness and carpal tunnel syndrome.