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Published on: September 7, 2022
Multisystem inflammatory syndrome in children
Vijaya L Soma1, Gail F Shust1, Adam J Ratner1,2
1Department of Pediatrics, Division of Infectious Diseases, New York University Grossman School of Medicine and Hassenfeld Children's Hospital.
Insights
Multisystem inflammatory syndrome in children (MIS-C) is a serious COVID-19 complication. Early identification and varied management, from supportive care to immune modulation, are crucial for affected children.
Area of Science:
- Pediatric infectious diseases
- Immunology
- Critical care medicine
Background:
- Multisystem inflammatory syndrome in children (MIS-C) is a significant postinfectious complication associated with COVID-19.
- It presents with widespread inflammation affecting multiple organ systems.
Purpose of the Study:
- To summarize current knowledge on MIS-C for clinicians.
- To aid in the identification and management of MIS-C cases.
Main Methods:
- Review of current literature and clinical knowledge on MIS-C.
- Analysis of clinical presentations, diagnostic challenges, and management strategies.
Main Results:
- MIS-C commonly features fever, gastrointestinal issues, cardiac dysfunction, and hypotension.
- While resembling Kawasaki disease, MIS-C involves distinct inflammatory pathways.
- Diagnosis requires a broad approach due to overlapping symptoms with other conditions.
Conclusions:
- MIS-C management is variable, ranging from supportive care to aggressive immune modulation, tailored to illness severity.
- A multidisciplinary team approach is recommended for complex cases.
- Further research is needed on long-term outcomes and immunologic data to refine diagnosis and treatment.
Purpose Of Review:
Here we summarize current knowledge about multisystem inflammatory syndrome in children (MIS-C), a presumed postinfectious inflammatory condition that has emerged as an important COVID-19-associated complication, to help clinicians identify and manage cases.
Recent Findings:
Clinical presentation of MIS-C is dominated by significant inflammation. Fever, gastrointestinal symptoms, cardiac dysfunction, and hypotension are common features. Kawasaki disease-like findings are common, but epidemiologic data and recent mechanistic studies suggest that distinct inflammatory pathways mediate Kawasaki disease and MIS-C. A broad diagnostic approach is recommended, given overlapping presentations between MIS-C and many other disease processes. Current management of MIS-C is highly variable, depending on illness severity, and can range from supportive care to aggressive immune modulation. A multidisciplinary approach with early involvement of multiple pediatric subspecialists is recommended for complicated cases.
Summary:
Several studies have described the clinical manifestations of MIS-C, but definitive diagnosis remains challenging. Robust information about long-term outcomes awaits further study, as do immunologic data to refine diagnostic and therapeutic strategies.
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