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Towards an understanding of fatigue in Parkinson disease
Department of Health Sciences, Lund University. (Forskningsmiljön PRO-CARE)ORCID iD: 0000-0003-2174-372X
Department of Clinical Sciences, Section of Psychiatry, Lund University.
2009 (English)In: Journal of Neurology, Neurosurgery and Psychiatry, ISSN 0022-3050, E-ISSN 1468-330X, Vol. 80, no 5, 489-492 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: To gain an improved understanding of fatigue in Parkinson disease (PD) by exploring possible predictors among a wide range of motor and non-motor aspects of PD.

METHODS: 118 consecutive PD patients (54% men; mean age 64 years) were assessed regarding fatigue, demographics and a range of non-motor and motor symptoms. Variables significantly associated with fatigue scores in bivariate analyses were used in multiple regression analyses with fatigue as the dependent variable.

RESULTS: Fatigue was associated with increasing Hoehn & Yahr stages, specifically the transition from stages I-II to stages III-V. Regression analysis identified five significant independent variables explaining 48% of the variance in fatigue scores: anxiety, depression, lack of motivation, Unified PD Rating Scale (UPDRS) motor score and pain. Gender, age, body mass index, PD duration, motor fluctuations, dyskinesias, symptomatic orthostatism, thought disorder, cognition, drug treatment, sleep quality and daytime sleepiness were not significantly associated with fatigue scores. When considering individual motor symptom clusters instead of the UPDRS motor score, only axial/postural/gait impairment was associated with fatigue.

CONCLUSIONS: This study found fatigue to be primarily associated with symptoms of depression and anxiety, and with compromised motivation, parkinsonism (particularly axial/postural/gait impairment) and pain. These results are in agreement with findings in other disorders and imply that fatigue should be considered a separate PD entity differing from, for example, excessive daytime sleepiness. Fatigue may have a distinguished neurobiological background, possibly related to neuroinflammatory mechanisms. This implies that novel treatment options, including anti-inflammatory therapies, could be effective.

Place, publisher, year, edition, pages
2009. Vol. 80, no 5, 489-492 p.
National Category
Neurology
Identifiers
URN: urn:nbn:se:hkr:diva-12774DOI: 10.1136/jnnp.2008.159772ISI: 000265244900007PubMedID: 19204024OAI: oai:DiVA.org:hkr-12774DiVA: diva2:741768
Available from: 2014-08-29 Created: 2014-08-29 Last updated: 2014-09-15Bibliographically approved

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CiteExportLink to record
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Citation style
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