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Fatigue and cognitive fatigability in patients with chronic pain
Department of Rehabilitation Medicine, Danderyd University Hospital, Stockholm, Sweden; Department of Clinical Sciences, Karolinska Institutet, Stockholm, Sweden.
Umeå University, Faculty of Social Sciences, Department of Psychology. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Rehabilitation Medicine.
Department of Rehabilitation Medicine, Danderyd University Hospital, Stockholm, Sweden.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Rehabilitation Medicine.ORCID iD: 0000-0002-2916-0628
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2024 (English)In: Scandinavian Journal of Pain, ISSN 1877-8860, E-ISSN 1877-8879, Vol. 24, no 1, article id 20230085Article in journal (Refereed) Published
Abstract [en]

Objectives: Fatigue is common in patients with chronic pain. Still, there is a lack of studies examining objectively measurable cognitive aspects of fatigue: cognitive fatigability (CF). We aimed to investigate the presence of CF in patients with chronic pain and its relation to self-rated fatigue, attention, pain characteristics, sleep disturbance, depression, and anxiety.

Methods: Two hundred patients with chronic pain and a reference group of 36 healthy subjects underwent a comprehensive neuropsychological test battery, including measurement of CF with the Wechsler Adult Intelligence Scale-III Coding subtest, and self-assessment of trait and state fatigue.

Results: The patients with chronic pain did not show more CF as compared to the reference group. There was an association between CF and processing speed on a test of sustained and selective attention in the chronic pain group, while self-rated fatigue measures and pain characteristics were not associated with CF. Self-rated fatigue measures were highly correlated with self-rated pain intensity, spreading of pain, depression, anxiety, and sleep disturbance.

Conclusions: The findings highlight the distinction between objective and subjective aspects of fatigue in chronic pain, and that the underlying causes of these different aspects of fatigue need to be studied further.

Place, publisher, year, edition, pages
Walter de Gruyter, 2024. Vol. 24, no 1, article id 20230085
Keywords [en]
attention, chronic pain, cognitive fatigability, fatigue
National Category
Neurology
Identifiers
URN: urn:nbn:se:umu:diva-222433DOI: 10.1515/sjpain-2023-0085PubMedID: 38447011Scopus ID: 2-s2.0-85187201075OAI: oai:DiVA.org:umu-222433DiVA, id: diva2:1845653
Funder
Promobilia foundation, A22056Karolinska InstituteUmeå UniversityRegion VästerbottenAvailable from: 2024-03-19 Created: 2024-03-19 Last updated: 2024-03-19Bibliographically approved

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Berginström, NilsStålnacke, Britt-Marie

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