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[Eosinophilia as a possible heart damaging factor in systemic scleroderma in children]
Insights
Systemic scleroderma (SSD) in children with eosinophilia presents with more severe heart damage and exudative reactions. Eosinophil levels correlate with cardiac involvement and serum IgE in pediatric SSD patients.
Area of Science:
- Pediatric Rheumatology
- Immunology
- Cardiology
Background:
- Systemic scleroderma (SSD) is a complex autoimmune disease affecting connective tissues.
- Eosinophilia, an elevated eosinophil count, can occur in children with SSD, suggesting potential disease variants.
Purpose of the Study:
- To investigate the clinical characteristics and immunological associations of eosinophilia in children with SSD.
- To explore the relationship between eosinophilia, cardiac involvement, and serum IgE levels in pediatric SSD.
Main Methods:
- Retrospective analysis of 173 children diagnosed with SSD.
- Comparison of clinical features and laboratory findings between children with and without eosinophilia.
- Correlation analysis between eosinophil counts, cardiac status, and total serum IgE levels.
Main Results:
- 45 out of 173 children with SSD presented with eosinophilia.
- SSD with eosinophilia showed more pronounced exudative reactions and higher rates of cardiac injury.
- A significant correlation was observed between cardiac involvement and peripheral blood eosinophil counts.
Conclusions:
- Eosinophilia in pediatric SSD is associated with a more severe disease phenotype, particularly concerning cardiac complications.
- Eosinophil counts may serve as a biomarker for disease activity and cardiac involvement in children with SSD.
- Further research into the pathogenetic role of eosinophils and IgE in SSD is warranted.
Abstract:
Altogether 173 children with systemic scleroderma (SSD) were examined. Of these, 45 were with eosinophilia. It was discovered that associated SSD and eosinophilia ran a course marked by more well-defined exudative reactions, with the heart being injured more frequently and gravely. A correlation was noted between the "sclerodermic" heart and the eosinophil count in the peripheral blood. The relationship between eosinophilia and the content of the total serum IgE in SSD is discussed as is the role of age-associated and constitutional factors in the development of eosinophilia in SSD children.