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Plasma exchange in refractory autoimmune anemia in a child with systemic vasculitis associated with homozygote beta
N Beşbaş1, S Ozen, A Bakkaloğlu
1Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Insights
A child with systemic vasculitis and beta thalassemia experienced severe complications, including autoimmune hemolytic anemia. Plasma exchange therapy, alongside conventional treatments, successfully induced remission, highlighting its potential in managing complex immunologic injury.
Area of Science:
- Pediatric Rheumatology
- Hematology
- Immunology
Background:
- Systemic vasculitis can present with severe dermatologic and hematologic manifestations.
- Homozygote beta thalassemia is a significant comorbidity that may complicate treatment strategies.
Observation:
- A 4-year-old girl with systemic vasculitis and beta thalassemia developed necrotizing skin lesions and refractory autoimmune hemolytic anemia.
- Erythrocyte destruction was attributed to autoantibodies against the Rh antigen.
Findings:
- Conventional therapies including oral steroids, methylprednisolone, and cyclophosphamide failed to improve the patient's condition.
- Plasma exchange therapy resulted in a decline of immune complex and autoantibody levels.
- Three sessions of plasma exchange led to clinical and laboratory remission.
Implications:
- Plasma exchange is a viable therapeutic option for managing severe autoimmune hemolytic anemia and vasculitis complications.
- This case underscores the importance of considering advanced immunomodulatory therapies in refractory pediatric autoimmune diseases.
- Early integration of plasma exchange may prevent irreversible tissue damage in complex autoimmune presentations.
Abstract:
A four-year-old girl presenting with fever and purpuric lesions was diagnosed with systemic vasculitis based on her clinical and laboratory findings. She also had homozygote beta thalassemia. Oral steroids were administered and during the course of her treatment she developed necrotizing lesions on her extremities along with severe myalgia and an autoimmune refractory anemia. Autoantibodies against the Rh antigen causing a persistent hemolysis of her erythrocytes were detected in her serum. Since no improvement in her skin lesions and autoimmune hemolytic anemia was achieved with bolus methylprednisolone therapy and cyclophosphamide, plasma exchange was performed. After three sessions of plasma exchange, her immune complex and autoantibody levels gradually declined and a remission in her clinical and laboratory findings was achieved. We suggest the use of plasma exchange along with conventional therapy for similar cases with ongoing immunologic injury.