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Macrophage activation syndrome (MAS) in different pediatric rheumatic disease
Pediatric Rheumatology volume 12, Article number: P220 (2014)
Introduction
Macrophage activation syndrome (MAS) is a life-threatening complication of chronic rheumatic disease in childhood.
Objectives
We aim to eveluate MAS findings and outcomes that differ according to disease in childhood.
Methods
We obtain 11 rheumatic patients followed in two different pediatric rheumatology units (Erciyes University and Ege University) who presented with MAS. We report their clinical and laboratory findings, therapies and outcomes.
Results
The primary diagnoses of the patients included in the study, respectively; systemic juvenil idiopathic arthritis (n=5), Systemic Lupus Erythematosus (n=2), juvenile dermatomyositis (n=2), a neonatale onset multisystem inflammatory disease (NOMID) and a microscopic polyartritis nodosa. The mean age of the patients was 9.9 years old (1-14), and male to female ratio was 3:8. The mean duration of underlying disease was 6 months (1-24 months) at the diagnosis of MAS. We found MAS due to infection in four patients ,while used medicine in a patient. MAS were developed spontaneously in 6 patients. The clinical manifestations of MAS included fever 7 (63.6%),mucosal bleading 6 (54.5%), neurologic involvement 4 (36.4%) and hepatomegaly 6 (54.5%).
We found thrombocytopenia in 9 (81.8%), leucopenia in 5 (45.5 %), increased AST in 7 (63.6%), hypofibrinogenemia in 6 (54.5%), increased ferritin in 11 (100%), decreased ESH in 4 (36.4%) and increased triglyceride in 10 (90.9%) patients. We investigated bone marrow in all patients, and hemophagocytosis were determinated in 8 (72.7%). The medications were pulse methylprednisolone 6 (54.5%), intravenous immunoglobulin 8 (72.7%), plasma exchange 5 (45.5%), cyclosporine 6 (54.5%), dexamethasone 1 (9.1%), etoposide 1 (9.1%). The prognosis of patients were recovery 8 (72.7%), and exitus 3 (27.3%).
Conclusion
In conclusion, MAS can be developed in various pediatric rheumatologic disease and fatal. Prompt recognition and timely treatment can result good outcomes.
Disclosure of interest
None declared.
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Gunduz, Z., Sozeri, B., Dusunsel, R. et al. Macrophage activation syndrome (MAS) in different pediatric rheumatic disease. Pediatr Rheumatol 12, P220 (2014). https://doi.org/10.1186/1546-0096-12-S1-P220
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DOI: https://doi.org/10.1186/1546-0096-12-S1-P220
Keywords
- Systemic Lupus Erythematosus
- Ferritin
- Etoposide
- Rheumatic Disease
- Dermatomyositis