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Can Thoracic Sympathetic Nerve Damage Be Reversed?

M Muharrem Erol1, Hakan Salcı2, Hüseyin Melek1

  • 1Department of Thoracic Surgery, Uludag University, Faculty of Medicine, Bursa, Turkey.

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Summary

Surgical clipping of the thoracic sympathetic chain (TSC) causes nerve degeneration. However, removing clips allows for histologic nerve regeneration, with Schwann cells aiding myelin reconstitution and nerve transmission.

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Area of Science:

  • Neuroscience
  • Surgical Innovation
  • Histopathology

Background:

  • The thoracic sympathetic chain (TSC) is crucial for various bodily functions.
  • Previous observations suggest functional recovery of the TSC after surgical clip removal.

Purpose of the Study:

  • To investigate nerve regeneration following the unclipping of the thoracic sympathetic chain (TSC).

Main Methods:

  • Bilateral TSCs from six goats were studied across three groups: excision, clipping, and unclipping.
  • Histological examination was performed at 1-2 months postoperatively to assess nerve healing.

Main Results:

  • Clip removal led to inflammation in nerve sections.
  • Significant degeneration and cell infiltration were observed in clipped nerve fibers.
  • Schwann cells in unclipped regions facilitated nerve transmission via myelin reconstitution.

Conclusions:

  • Thoracic sympathetic chain (TSC) clipping induces histological degeneration.
  • Histological nerve regeneration is evident after the removal of surgical clips.