Endoscopic thoracic sympathectomy is still practiced here but its use is decreasing and it's really only advocated as the last resort for palmar [hand] hyperhidrosis or facial blushing, and it's only rarely used for axillary [underarm] hyperhidrosis.
Dr Goodman, Melbourne, Australia
http://www.sweathelp.org/english/CMN_Article.asp?ArticleCode=64750038&EditionCode=77446114