Kelun Wang

Effect of conditioned pain modulation on trigeminal somatosensory function evaluated by quantitative sensory testing

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The aim of the study was to systematically investigate the effect of craniofacially evoked conditioned pain modulation on somatosensory function using a quantitative sensory testing (QST) protocol applied to the trigeminal area in healthy humans. Pressure pain evoked by a mechanical compressive device was applied as conditioning stimulus (CS) in the craniofacial region, with a pain intensity of 5 on a visual analogue scale (VAS: 0-10cm) (painful session) or with VAS score of 0 (control session). A full QST battery of 13 parameters was performed as test stimuli on the dominant-side cheek. The individual QST data from 11 men and 12 women were transformed into z scores, and the QST data and z scores were tested using analyses of variance. Analyses of variance of pressure pain threshold (PPT) data (log-transformed values and z scores) indicated significant session (P⩽.003) and time (P
Sider (fra-til)2684-90
Antal sider7
StatusUdgivet - dec. 2013

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