Document Detail


Longitudinal analysis of fatigue in psoriatic arthritis.
MedLine Citation:
PMID:  20595286     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To describe the longitudinal course of fatigue in psoriatic arthritis (PsA).
METHODS: Our study included 390 patients who attended the University of Toronto Psoriatic Arthritis Clinic between 1998 and 2006 and who completed 2 or more administrations of the modified Fatigue Severity Scale (mFSS) at yearly intervals. Clinical data were used that corresponded to visits in which mFSS was administered. We used linear mixed effects models to examine the relationships of disease-related and nondisease-related variables with mFSS scores across multiple clinic visits, and linear regression models to investigate the association between change in mFSS scores (DeltamFSS) and changes in covariates between visits.
RESULTS: Clinical measures of disease activity were related to fatigue over time; however, these relationships disappeared in the context of patient-reported physical disability and pain. Patient-reported measures of physical disability, pain, and psychological distress were most closely related to higher mFSS scores (greater fatigue) across clinic assessments. Fatigue was found to vary over time, at least when assessed at yearly intervals. In general, measures of clinical and functional status at the current visit were more predictive of DeltamFSS in between previous and current visits than change scores in these measures between visits. Comorbid fibromyalgia or hypertension were also associated with greater fatigue across multiple visits and with change in fatigue between visits.
CONCLUSION: A combination of factors is associated with fatigue in PsA. The full effect of comorbidities on fatigue warrants further study to better understand the effective management of fatigue in PsA.
Authors:
Janice A Husted; Brian D M Tom; Vernon T Farewell; Dafna D Gladman
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-07-01
Journal Detail:
Title:  The Journal of rheumatology     Volume:  37     ISSN:  0315-162X     ISO Abbreviation:  J. Rheumatol.     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-02     Completed Date:  2011-02-14     Revised Date:  2014-02-19    
Medline Journal Info:
Nlm Unique ID:  7501984     Medline TA:  J Rheumatol     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  1878-84     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Activities of Daily Living
Adult
Arthritis, Psoriatic / complications*
Comorbidity
Disability Evaluation
Fatigue / etiology*
Female
Humans
Male
Middle Aged
Questionnaires
Retrospective Studies
Severity of Illness Index
Grant Support
ID/Acronym/Agency:
MC_U105261167//Medical Research Council; //Canadian Institutes of Health Research; //Medical Research Council

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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