Document Detail

A real-time assessment of the effect of exercise in chronic fatigue syndrome.
MedLine Citation:
PMID:  17655887     Owner:  NLM     Status:  MEDLINE    
Patients with chronic fatigue syndrome (CFS) report substantial symptom worsening after exercise. However, the time course over which this develops has not been explored. Therefore, the objective of this study was to investigate the influence of exercise on subjective symptoms and on cognitive function in CFS patients in natural settings using a computerized ecological momentary assessment method, which allowed us to track the effects of exercise within and across days. Subjects were 9 female patients with CFS and 9 healthy women. A watch-type computer was used to collect real-time data on physical and psychological symptoms and cognitive function for 1week before and 2weeks after a maximal exercise test. For each variable, we investigated temporal changes after exercise using multilevel modeling. Following exercise, physical symptoms did get worse but not until a five-day delay in CFS patients. Despite this, there was no difference in the temporal pattern of changes in psychological symptoms or in cognitive function after exercise between CFS patients and controls. In conclusion, physical symptoms worsened after several days delay in patients with CFS following exercise while psychological symptoms or cognitive function did not change after exercise.
Kazuhiro Yoshiuchi; Dane B Cook; Kyoko Ohashi; Hiroaki Kumano; Tomifusa Kuboki; Yoshiharu Yamamoto; Benjamin H Natelson
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2007-07-25
Journal Detail:
Title:  Physiology & behavior     Volume:  92     ISSN:  0031-9384     ISO Abbreviation:  Physiol. Behav.     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2007-11-20     Completed Date:  2008-02-29     Revised Date:  2013-06-06    
Medline Journal Info:
Nlm Unique ID:  0151504     Medline TA:  Physiol Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  963-8     Citation Subset:  IM    
Department of Neurosciences, University of Medicine and Dentistry of New Jersey - New Jersey Medical School, United States.
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MeSH Terms
Cognition / physiology*
Computer-Aided Design
Fatigue Syndrome, Chronic / physiopathology*,  psychology*
Heart Rate / physiology
Middle Aged
Monitoring, Physiologic / methods*
Multivariate Analysis
Neuropsychological Tests
Severity of Illness Index
Sleep / physiology
Time Factors
Grant Support

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

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