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Renal involvement in paediatric systemic vasculitis
Insights
Systemic vasculitis in children often affects kidneys, with over half showing renal involvement. Many children require ongoing treatment for kidney disease, highlighting the importance of early diagnosis and management.
Area of Science:
- Pediatric Nephrology
- Rheumatology
- Immunology
Background:
- Primary systemic vasculitis is a rare pediatric condition often presenting with subtle, progressive symptoms, leading to delayed diagnosis.
- Early intervention is crucial to prevent severe kidney disease progression in affected children.
Purpose of the Study:
- To assess the prevalence and extent of renal involvement in children diagnosed with primary systemic vasculitis.
- To evaluate the long-term renal outcomes and management strategies for pediatric patients with systemic vasculitis.
Main Methods:
- Retrospective observational study analyzing medical records, laboratory data, and renal biopsies.
- Data collected from patients under 18 years old treated at Oslo University Hospital, Rikshospitalet, between 2000 and 2014.
Main Results:
- 66 children with primary systemic vasculitis were identified; 59% had renal involvement at initial consultation, rising to 64% during the disease course.
- 41 patients had confirmed renal involvement, with 12 requiring ongoing treatment for renal impairment, 3 undergoing transplantation, and 11 achieving medication-free remission.
Conclusions:
- Pediatric systemic vasculitis frequently involves the kidneys, necessitating vigilant monitoring and management.
- A significant proportion of children with vasculitis-related kidney disease require long-term medical care and follow-up.
Background:
Primary systemic vasculitis is a rare condition in children, which often has a slowly progressive course with diffuse symptoms and is therefore easily overlooked. Early initiation of treatment can prevent severe kidney disease. The aim of this study was to survey the extent of renal involvement in children with systemic vasculitis at Oslo University Hospital, Rikshospitalet.
Material And Method:
This observational retrospective study was based on a review of medical records, laboratory results and renal biopsies from first admission to last check-up at Oslo University Hospital, Rikshospitalet, for the period 2000–14.
Results:
A total of 66 children (35 boys) under 18 years of age were treated at the hospital for primary systemic vasculitis in the period in question. Objective signs of renal involvement were found in 39 (59 %) at the first consultation and in 42 (64 %) over the course of the disease. Twenty-nine patients (44 %) underwent renal biopsy. Of the 41 patients with proven renal involvement that were still alive at the time of the last check-up, 12 continued to require treatment for renal impairment. Three patients had undergone renal transplantation, 18 were in remission on immunosuppressive or antihypertensive treatment, while 11 patients had achieved medication-free renal remission.
Interpretation:
There is a high prevalence of renal involvement in paediatric patients treated for systemic vasculitis at Oslo University Hospital, Rikshospitalet. At their final check-up, the majority of patients continue to require treatment and follow-up for kidney disease.