The amount of compensatory sweating depends on the patient, the damage that the white rami communicans incurs, and the amount of cell body reorganization in the spinal cord after surgery.
Other potential complications include inadequate resection of the ganglia, gustatory sweating, pneumothorax, cardiac dysfunction, post-operative pain, and finally Horner’s syndrome secondary to resection of the stellate ganglion.
www.ubcmj.com/pdf/ubcmj_2_1_2010_24-29.pdf

After severing the cervical sympathetic trunk, the cells of the cervical sympathetic ganglion undergo transneuronic degeneration
After severing the sympathetic trunk, the cells of its origin undergo complete disintegration within a year.

http://onlinelibrary.wiley.com/doi/10.1111/j.1439-0442.1967.tb00255.x/abstract

Sunday, April 20, 2008

Compensatory increase in tyrosine hydroxylase activity

.. INCREASE IN ACTIVITY AFTER CHEMICAL SYMPATHECTOMY, SCIENCE 163: 468 (1969). ... IN NEURONS OF NUCLEUS LOCUS COERULEUS DURING RETROGRADE REACTION, ...
www.sciencemag.org/cgi/content/refs/207/4430/537 -