Qualitative and quantitative characteristics of pain syndrome in hand-arm vibration syndrome
Keywords:Bauxite mines, Electrophysiology, Machine vibrations, Occupational diseases, Subjective testing, Surveys, Electro-physiological methods, Hand-arm vibration syndrome, Pain syndromes, Quantitative characteristics, Quantitative sensory testing, Upper limbs, Visual analog scale
AbstractThe correlation between electrophysiological methods and pain questionnaires in patients with vibration-induced hand disorders is investigated. For qualitative and quantitative characteristics of pain, all the patients were investigated with a clinical bedside examination, electrophysiological methods,pain questionnaires. A group of 26 miners at a bauxite mine aged from 35 to 57 with upper limb disorders were examined. From the results of the Visual Analog Scale (VAS), the intensity of pain syndrome was characterized by high point scores, and was therefore interpreted as strong. The analysis of pain and patient complaints indicates suspected presence of both the neuropathic and nociceptive pain components. The results suggest there may be correlations between the QST and pain questionnaire results, that subjective perceptions of pain might be represented by a certain pattern in the quantitative sensory testing (QST) results.
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