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Usefulness of galvanic skin reflex monitor in CT-guided thoracic sympathetic blockade for palmar hyperhidrosis.

Research paper by Hiroyuki H Uchino, Seiichi S Sasaki, Hitoshi H Miura, Go G Hirabayashi, Takahisa T Nishiyama, Takashi T Ohta, Nagao N Ishii, Tatsushi T Ito

Indexed on: 08 Aug '07Published on: 08 Aug '07Published in: Journal of Anesthesia



Abstract

Computed tomography (CT)-guided thoracic sympathetic blockade with ethanol was performed while monitoring sympathetic nerve activity, with an alternating current (AC) galvanic skin reflex (GSR) monitor, in a patient with palmar hyperhidrosis in whom endoscopic thoracic sympathectomy was impossible because of pleural adhesion. Sweating was suppressed after the thoracic sympathetic blockade, and the monitor showed a significant increase in skin resistance. The effect of sympathetic blockade could be evaluated directly and in real time using a GSR monitor.