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The clinical spectrum of systemic lupus erythematosus in childhood
Insights
Systemic lupus erythematosus in children presents differently than in adults, with increased reticuloendothelial involvement and a higher risk of renal lesions. Familial cases and a male predominance in younger children were observed in this study.
Area of Science:
- Pediatrics
- Rheumatology
- Nephrology
Background:
- Systemic lupus erythematosus (SLE) is a chronic autoimmune disease.
- Pediatric SLE exhibits unique characteristics compared to adult-onset disease.
- Understanding these differences is crucial for effective management and prognosis.
Purpose of the Study:
- To analyze the onset and clinical course of SLE in a cohort of 108 children.
- To identify demographic and clinical features specific to pediatric SLE.
- To compare pediatric SLE manifestations with those in adults.
Main Methods:
- Retrospective analysis of 108 pediatric patients diagnosed with SLE.
- Evaluation of demographic data, clinical signs, symptoms, and renal biopsy findings.
- Assessment of mortality factors and disease progression.
Main Results:
- A higher proportion of Black patients and a male predominance in children under 12 were noted.
- Familial cases of SLE were prevalent in the cohort.
- Children showed greater reticuloendothelial involvement and a higher propensity for renal biopsy category changes.
- Diffuse proliferative lupus nephritis remained a significant cause of mortality, alongside extrarenal factors and a higher male death rate.
Conclusions:
- Pediatric SLE has distinct epidemiological and clinical features, including a predilection for males at younger ages and increased reticuloendothelial system involvement.
- Renal disease, particularly diffuse proliferative lupus nephritis, is a major determinant of mortality in pediatric SLE.
- Extrarenal factors and a higher mortality rate in males underscore the complexity of SLE management in children.
Abstract:
The onset and course of 108 children with systemic lupus erythematosus have been analysed. There were more black patients than one would expect from hospital population statistics. There was a greater preponderance of boys with onset of the disease at less than 12 years of age and there is a large number of familial cases. Major signs and symptoms differed from those observed in adults only in the greater degree of reticuloendothelial involvement and in a possibly greater propensity for children to change renal biopsy category. Diffuse proliferative renal lesions remain a major contributor to death both in children and in adults, but the importance of the extrarenal mortality factors plus the greater proportion of male deaths is emphasized.