Multisystem inflammatory syndrome in children in the context of coronavirus disease 2019 pandemic
ZHOU Bin, HUANG Yu-Kun, HONG Shao-Xian, JIAO Fu-Yong, XIE Kai-Sheng
Structual/Congenital Heart Disease and Ultrasound Center, China Medical University Children's Hospital, Taichung, Taiwan, China (Xie K-S, Email: kshsieh@hotmail.com)
Abstract Multisystem inflammatory syndrome in children (MIS-C) is a complex syndrome characterized by multi-organ involvement that has emerged in the context of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak. The clinical presentation of MIS-C is similar to Kawasaki disease but predominantly presents with fever and gastrointestinal symptoms, and severe cases can involve toxic shock and cardiac dysfunction. Epidemiological findings indicate that the majority of MIS-C patients test positive for SARS-CoV-2 antibodies. The pathogenesis and pathophysiology of MIS-C remain unclear, though immune dysregulation following SARS-CoV-2 infection is considered a major contributing factor. Current treatment approaches for MIS-C primarily involve intravenous immunoglobulin therapy and symptomatic supportive care. This review article provides a comprehensive overview of the definition, epidemiology, pathogenesis, clinical presentation, diagnosis, treatment, and prognosis of MIS-C.
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