Document Detail


Exercise in systemic sclerosis intensifies systemic inflammation and oxidative stress.
MedLine Citation:
PMID:  20132073     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Exercise testing can be used (i) to evaluate functional limitations of systemic sclerosis (SSc) and (ii) to study whether the inflammatory and oxidative systems are activated after a physical stimulus. The aim of this study was to determine exercise-induced inflammatory and oxidative responses in SSc compared with healthy subjects. METHODS: Eleven patients with SSc and pulmonary involvement and 10 healthy subjects underwent maximal cardiopulmonary exercise testing (CPET). Physiological responses were followed continuously during cycling. Blood samples were taken at rest, during and after maximal exercise to measure inflammatory and oxidative markers. RESULTS: In nine of the 11 SSc patients, cardiocirculatory limitation and gas exchange impairment limited exercise capacity. Basal inflammatory cells, interleukin (IL)-6, and oxidative stress were increased in SSc compared to healthy subjects and intensified after exercise. Basal and exercise-induced inflammation and oxidative stress were correlated with the modified Rodnan skin score. CONCLUSIONS: Although exercise capacity is impaired in patients with SSc, physical activity intensifies the already increased basal levels of systemic inflammation and oxidative stress. These data support the concept of a role for systemic inflammation and oxidative stress in the ongoing systemic effects of SSc.
Authors:
H Hargard?ttir; H A C van Helvoort; M C Vonk; F H J van den Hoogen; P N R Dekhuijzen; Y F Heijdra
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Scandinavian journal of rheumatology     Volume:  39     ISSN:  1502-7732     ISO Abbreviation:  Scand. J. Rheumatol.     Publication Date:  2010  
Date Detail:
Created Date:  2010-02-05     Completed Date:  2010-03-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0321213     Medline TA:  Scand J Rheumatol     Country:  England    
Other Details:
Languages:  eng     Pagination:  63-70     Citation Subset:  IM    
Affiliation:
Department of Pulmonary Diseases, Radboud University Nijmegen Medical Centre, The Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Factors
Aged
Blood Chemical Analysis
Case-Control Studies
Exercise Test / methods*
Exercise Tolerance / physiology
Female
Follow-Up Studies
Forced Expiratory Volume
Humans
Inflammation Mediators / blood*
Interleukin-6 / blood
Leukocytosis / physiopathology
Lipid Peroxidation / physiology
Male
Middle Aged
Oxidative Stress / physiology
Physical Endurance / physiology*
Reactive Oxygen Species / blood*
Reference Values
Risk Assessment
Scleroderma, Systemic / blood,  diagnosis*
Severity of Illness Index
Sex Factors
Chemical
Reg. No./Substance:
0/Inflammation Mediators; 0/Interleukin-6; 0/Reactive Oxygen Species

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