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  • Psycho-sensory relationships in chronic pain

    Author(s)
    Harvie, Daniel S
    Vasco, Daniela
    Sterling, Michele
    Low-Choy, Samantha
    Niederstrasser, Nils G
    Griffith University Author(s)
    Low-Choy, Sama J.
    Harvie, Daniel S.
    Vasco, Daniela
    Sterling, Michele
    Year published
    2020
    Metadata
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    Abstract
    Background: Psychological variables contribute to pain- and injury-related outcomes. We examined the hypothesis that anatomical spread and intensity of persistent pain relate to anxiety-related variables: generalised anxiety, fear of pain and pain catastrophising. Methods: An online survey was used to gather data from 413 women with persistent pain (low back pain, n = 139; fibromyalgia syndrome, n = 95; neck pain, n = 55; whiplash, n = 41; rheumatoid arthritis, n = 37; migraine, n = 46). The spread and intensity of pain were assessed using the McGill pain chart and a Numerical Rating Scale. A Bayesian Structural Equation ...
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    Background: Psychological variables contribute to pain- and injury-related outcomes. We examined the hypothesis that anatomical spread and intensity of persistent pain relate to anxiety-related variables: generalised anxiety, fear of pain and pain catastrophising. Methods: An online survey was used to gather data from 413 women with persistent pain (low back pain, n = 139; fibromyalgia syndrome, n = 95; neck pain, n = 55; whiplash, n = 41; rheumatoid arthritis, n = 37; migraine, n = 46). The spread and intensity of pain were assessed using the McGill pain chart and a Numerical Rating Scale. A Bayesian Structural Equation Model assessed if the intensity and spread of pain increased with anxiety-related variables. Men were also surveyed (n = 80), but the sample size was only sufficient for analysing if their data were consistent with the model for women. Results: Across subgroups of women, one standard deviation increase in catastrophising, generalised anxiety and fear corresponded to 27%, 7% and −1% additional pain areas and a 1.1, 0 and –0.1 change in pain intensity (on 0–10 scale), respectively. Overall, our clinical significance criterion – a 30% shift in pain variable in relation to one standard deviation increase in psychological variable – was not met. However, in subgroups it was met for pain spread (low back pain, neck pain and migraine) and pain intensity (migraine and neck pain) in relation to pain catastrophising. The model generally had low goodness-of-fit to men. Conclusion: These data support a meaningful relationship between some anxiety-related variables and pain in women for some conditions. Since the model did not consistently fit the men, we may conclude that the relationships are moderated by sex. Clinician attention to psychological variables as potential contributing factors can be justified; however, research is needed to understand the relationship and whether psychological treatment can reduce pain.
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    Journal Title
    British Journal of Pain
    DOI
    https://doi.org/10.1177/2049463720933925
    Note
    This publication has been entered in Griffith Research Online as an advanced online version.
    Subject
    Cognitive and computational psychology
    Science & Technology
    Life Sciences & Biomedicine
    Clinical Neurology
    Neurosciences & Neurology
    Chronic pain
    Publication URI
    http://hdl.handle.net/10072/395741
    Collection
    • Journal articles

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