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

Monday, July 14, 2008

sympathectomy prevents them from responding to reflex or emotional changes in the central nervous system - psychosurgery

All the sympathetic ganglia that send postganglionic nerve fibres to structures in the head, neck and upper limb receive preganglionic fibres from the central nervous system only through the white rami communicates of the upper thoracic ventral rami. These preganglionic fibres ascend in the trunk and reach its ganglia directly and outlying ganglia through branches of the trunk. Thus destruction of the trunk at the root of the neck, whether as a result of a surgery (cervical sympathecotmy) or of some pathological condition, isolates all these sympathetic ganglion cells from the central nervous system and prevents them from responding to reflex or emotional changes in the central nervous system.
Cunningham's Manual of Practical Anatomy: Volume III: Head, Neck and Brain (Oxford Medical Publications)
G. J. Romanes
Paperback - Nov 20, 1986, page 87
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