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

Thursday, July 30, 2015

the clinical results of both surgical and neurolityc sympathectomy are uncertain

Blood diverted from muscle to skin after sympathectomy

However, the clinical results of both surgical and neurolityc sympathectomy are uncertain. Indeed these procedures lead to a redistribution of the blood flow in the lower limbs from the muscle to the skin, with a concomitant fall of the regional resistance, mainly in undamaged vessels. The blood flow will be diverted into this part of the vascular tree, so that a "stealing" of the blood flow may occur. 
Vito A. Peduto, Giancarlo Boero, Antonio Marchi, Riccardo Tani Bilateral extensive skin necrosis of the lower limbs following prolonged epidural blockade 
Anaesthesia 1976; 31: 1068-75.
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