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Electrochemical skin conductance alterations during spinal cord stimulation

Tijdschriftbijdrage - Tijdschriftartikel

Ondertitel:An experimental study

Despite the well-known clinical effects of spinal cord stimulation (SCS), the mechanisms of action have not yet been fully unraveled. The primary aim of this study was to measure whether electrochemical skin conductance, as a measure of peripheral sympathetic autonomic function, is altered by SCS. A second aim was to compare skin conductance levels of patients with failed back surgery syndrome (FBSS) with age-and sex-matched healthy controls. Twenty-three patients with FBSS treated with SCS participated in this study. Sudomotor function was measured with the Sudoscan™ instrument on the hands and feet during SCS on and off states. Difference scores in skin conductance between patients and age-and sex-matched healthy controls were calculated. Normal sudomotor function at the painful lower limb was revealed for 61% of the patients when SCS was activated. Skin conductance levels were not altered between on and off states of SCS. Differences in scores between patients and healthy controls were significantly different from zero. This study showed that SCS does not influencing the sympathetic nervous system in patients with FBSS, as measured by skin conductance levels. Moreover, it suggested that there is no normalization of the functioning of the sympathetic nervous system, despite the effectiveness of SCS to reduce pain intensity.

Tijdschrift: Journal of Clinical Medicine
ISSN: 2077-0383
Issue: 16
Volume: 10
Jaar van publicatie:2021
Trefwoorden:Autonomic nervous system, Chronic pain, Electrodermal activity, Neuromodulation
BOF-keylabel:ja
IOF-keylabel:ja
BOF-publication weight:2
Auteurs:International
Authors from:Higher Education
Toegankelijkheid:Open