Abstract
Objective
To investigate the presence of possible early atherosclerotic changes in a group of prepubertal children with juvenile idiopathic arthritis (JIA) and to establish the potential beneficial effects of 1-year treatment.
Materials and methods
Inflammatory markers (C-reactive protein, erythrocyte sedimentation rate), proinflammatory cytokines (IL-1β, IL-6, IFN-γ, TNF-α), lipid profile and oxidant–antioxidant status (urinary isoprostanes [PGF-2α]) were assessed in 38 JIA children (12M/26F, mean age 7.05 ± 2.39 years) and compared with 40 controls (18M/22F, mean age 6.34 ± 2.25 years). Carotid intima-media wall thickness (cIMT) was obtained and blood pressure was measured. All parameters were reassessed in JIA children after 1 year of therapy.
Results
At baseline JIA children presented compared to controls higher levels of inflammatory markers, proinflammatory cytokines, total cholesterol, LDL cholesterol, and PGF-2α (all p ≤ 0.01). Furthermore, blood pressure and cIMT were significantly increased (both p ≤ 0.01). After a 1-year treatment with non-steroid anti-inflammatory (NSAIDs) and disease-modifying antirheumatic drugs (DMARDs), a significant reduction of all parameters was detected (all p ≤ 0.01). This was associated with a significant reduction in blood pressure and cIMT (both p ≤ 0.01). Within the JIA group, patients requiring etanercept presented worse laboratory values and cIMT measurements at baseline. Nevertheless, the same improvement of all parameters was obtained after a 1-year treatment. In stepwise multiple regression, LDL cholesterol and IL-1β were mainly related to cIMT.
Conclusion
Chronic and systemic inflammation seems to lead to early atherosclerotic abnormalities even in pre-pubertal JIA children. Substantial improvement can be obtained with 1-year of appropriate therapy.
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Abbreviations
- JIA:
-
Juvenile idiopathic arthritis
- CRP:
-
C-reactive protein
- ESR:
-
Erythrocyte sedimentation rate
- IL-1β:
-
Interleukin 1 beta
- IL-6:
-
Interleukin 6
- IFN-γ:
-
Interferon gamma
- TNF-α:
-
Tumor necrosis factor alpha
- PGF-2α:
-
Prostaglandin 2 alpha
- cIMT:
-
Carotid intima-media wall thickness
- NSAIDs:
-
Non-steroid anti-inflammatory drugs
- DMARDs:
-
Disease-modifying antirheumatic drugs
- RA:
-
Rheumatoid arthritis
- ILAR:
-
International League of Associations for Rheumatology
- VAS:
-
Visual analog scale
- LOM:
-
Limitation of movement
- CHAQ:
-
Child health assessment questionnaire
- HDL:
-
High density lipoprotein
- LDL:
-
Low density lipoprotein
- BMI:
-
Body mass index
- SDS:
-
Standard deviation score
- SA-HRP:
-
Streptavidin-horseradish
- FFA:
-
Free fatty acids
- CV:
-
Cardiovascular
- EMEA:
-
European Medicines Agency
- FDA:
-
Food and Drug Administration
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Breda, L., Di Marzio, D., Giannini, C. et al. Relationship between inflammatory markers, oxidant–antioxidant status and intima-media thickness in prepubertal children with juvenile idiopathic arthritis. Clin Res Cardiol 102, 63–71 (2013). https://doi.org/10.1007/s00392-012-0496-3
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DOI: https://doi.org/10.1007/s00392-012-0496-3