Pain threshold reflects psychological traits in patients with chronic pain: a cross-sectional study

BioPsychoSocial Medicine
Fumie KatoMikihiko Fukunaga

Abstract

Chronic pain enhances sensory sensitivity and induces the biased development of psychological traits such as depression and pain catastrophizing, leading to the formation of heterogeneous conditions. Fluctuations in the sensory-related thresholds of non-injured sites (with normal peripheral tissue) in patients with chronic pain are thought to be related to central sensitization. The objectives of this study were to analyze the association between pain tolerance thresholds (PTTs) in non-injured sites and the psychological traits of patients with chronic pain and to evaluate the usefulness of PTT measures in assessments of pathological conditions related to chronic pain. This study included 57 patients with chronic pain. The PTTs were measured in non-injured sites with quantitative sensory testing (QST) with electrical stimulation and then classified with cluster analysis. The Short-Form McGill Pain Questionnaire was used to subjectively assess pain in the injured sites. The Minnesota Multiphasic Personality Inventory (MMPI) was used to assess the patients' psychological traits. Based on the cluster analysis of PTTs, the patients were classified into a High-Sensitivity group and an Others group consisting of the remaining patient...Continue Reading

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Citations

Apr 18, 2018·Journal of Alzheimer's Disease : JAD·Isabelle RouchJean-Michel Dorey
May 14, 2021·Pain Reports·Linda Karoliina NieminenMarkku Juhani Kankaanpää
Aug 28, 2021·Journal of Clinical Medicine·Dong Ah Shin, Min Cheol Chang

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Software Mentioned

QST
SPSS

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