"Sympathectomy is a technique about which we have limited knowledge, applied to disorders about which we have little understanding." Associate Professor Robert Boas, Faculty of Pain Medicine of the Australasian College of Anaesthetists and the Royal College of Anaesthetists

The Journal of Pain, Vol 1, No 4 (Winter), 2000: pp 258-260

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

Stratified analysis of clinical outcomes in ... [Ann Thorac Surg. 2008] - PubMed - NCBI

"Significant compensatory sweating in relation to the level(s) of sympathetic chain division occurred in T2 alone, 45%; T2 to T3, 30%; T3 to T4, 14%; T2 to T4, 38%; and more than three levels, 49%"



 2008 Feb;85(2):390-3;

http://www.ncbi.nlm.nih.gov/pubmed/18222231

Patients who undergo sympathotomy for hyperhidrosis will commonly report "clinically bothersome" compensatory hyperhidrosis.

 2014 Apr;147(4):1160-1163.e1. doi: 10.1016/j.jtcvs.2013.12.016. Epub 2014 Jan 2.

Sympathectomy causes wall thinning, elongation, convolution, and aneurysm formation

"Sympathectomy causes basilar artery enlargment, which is beneficial for maintaining cerebral blood flow; however, it also causes wall thinning, elongation, convolution, and aneurysm formation, which may be hazardous in stenoocclusive carotid artery disease. Sympathectomy can prevent new vessel formation and hyperthyrophic changes at the posterior circulation. Neovascularisation is not detected adequately in sympathectomised animals."



Acta Neurochirurgica156.5 (May 2014): 963-9.

"The custom of a majority is no guarantee of safety and is seldom a guide to best medical practice." in Legal Forum

Cameron`s claim that there has been only one death attributable to synchronous bilateral thoracoscopic sympathectomy is implausible. Surgeons and anaesthetists are reticent in publicizing such events and Civil Law Reports of settled cases are an inadequate measure of the current running total. The custom of a majority is no guarantee of safety and is seldom a guide to best medical practice.
Jack Collin,
Consultant Surgeon
Oxford
http://www.bmj.com/content/320/7244/1221?tab=responses

This is the first study to examine post-SE (post-sympathectomy) dysfunction objectively

This is the first study to examine post-SE dysfunction objectively using TG after ALIF and XLIF, and the first to evaluate clinically, the severity of the post-SE syndrome. Before surgery we cannot foresee potentially poor SE results. For this reason, injury to the sympathetic chain during surgery must be avoided. The advantage of TG for identifying SE is its non-invasiveness and reliability.

The aim of this study was to identify retrospectively, lumbar sympathectomy (SE) using thermography (TG) and to evaluate clinically, the severity of post-sympathectomy (post-SE) dysfunction after anterior and lateral lumbar interbody fusion procedures (ALIF, XLIF).
http://www.ncbi.nlm.nih.gov/pubmed/24263213
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