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The kidney in systemic disease: Part II--Autoimmune and vascular disorders
U Alon1, B A Warady, S Hellerstein
1University of Missouri, Kansas City School of Medicine.
Insights
Pediatric lupus nephritis survival has significantly improved due to advancements in immunosuppressive therapy, antibiotics, and hypertension control. However, severe kidney disease still affects many children with childhood-onset systemic lupus erythematosus (SLE).
Area of Science:
- Pediatric Nephrology
- Rheumatology
- Immunology
Background:
- Childhood-onset lupus nephritis historically had a poorer prognosis than adult-onset disease.
- Early studies reported significantly lower survival rates for pediatric patients with lupus nephritis.
Purpose of the Study:
- To evaluate the long-term survival trends in pediatric patients diagnosed with lupus nephritis.
- To assess the impact of modern medical advancements on the prognosis of childhood lupus nephritis.
Main Methods:
- Comparative analysis of historical and recent survival data for pediatric lupus nephritis patients.
- Review of treatment modalities including immunosuppressive therapy, antibiotics, and hypertension management.
Main Results:
- Pediatric lupus nephritis 10-year survival rates have improved from historical lows (e.g., 48%) to 69%-85%.
- These improvements are attributed to enhanced immunosuppressive treatments, effective antibiotics, and better hypertension control.
- Despite overall survival gains, 20%-35% of childhood-onset SLE patients still experience severe renal complications.
Conclusions:
- The long-term outlook for pediatric lupus nephritis has dramatically improved.
- Further research into novel therapeutic strategies is crucial for managing severe renal disease in this population.
Abstract:
The long-term outlook for the pediatric patient with lupus nephritis has improved dramatically over the past several decades. In 1968, Meislin and Rothfield compared childhood with adult SLE and found the prognosis to be worse when disease onset was at the age of 15 years or younger. Children with renal disease had only a 42% 5-year survival rate vs. an 82% survival rate in adults. Caeiro et al. found the 10-year survival rate in childhood to be only 48%. However, more recent data have demonstrated comparable results for patients of all ages. Ten-year patient survival rates have improved to 69% to 85% as a result of better immunosuppressive therapy, more effective antibiotics, and improved control of hypertension. Despite this overall improvement, severe renal disease continues to complicate the course of 20% to 35% of patients with SLE originating in childhood and demands further investigation of newer therapeutic measures.