Joint inflammation is reduced by dorsal rhizotomy and not by sympathectomy or spinal cord transection.
Annals of the Rheumatic Diseases 1994;53:309-314http://ard.bmj.com/cgi/content/abstract/53/5/309
"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