Perception of Experimental and Clinical Pain in Fibromyalgia: 14th World Congress on Pain

I. E. Tchivileva, E. J. Moana-Filho, S. Uraizee, R. Gracely

Research output: Other contribution

Abstract

Aim of Investigation: Numerous studies use experimental pain tests as a model for clinical pain, although the relationship between these two types of pain is poorly understood. The purpose of this study was to investigate an association between clinical pain ratings, sensitivity to stimuli of various modalities, and psychosocial characteristics in women with fibromyalgia (FM) in comparison to healthy controls (HC). Methods: 30 FM female patients and 30 age- and gender-matched HC evaluated sensations evoked by painful heat, painful blunt pressure, and sinusoidal sound stimuli intermingled in the same session. Stimulus levels evoking low, moderate and high ratings were determined by a multiple random staircase method (MRS). Subjects rated the intensity or the unpleasantness of the evoked sensations in separate sessions. Clinical pain was assessed using a numerical rating scale (NRS 0-100) and a short form of the McGill Pain Questionnaire (MPQ). A battery of psychosocial questionnaires was administered to assess depression, affective distress, pain coping and catastrophizing, and quality of sleep. Results: In comparison to healthy controls, FM patients demonstrated significantly lower MRS levels in response to both noxious pressure (P
Original languageEnglish (US)
Media of outputPoster
Place of PublicationMilan, Italy
StatePublished - 2012

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