Multisystem inflammatory syndrome in children: an evolving understanding of a syndrome amid the inflammatory

Sathya Areti1,2, Marissa Parrillo2, Lena Baker2

  • 1Department of Medicine, Case Western University School of Medicine, University Hospitals of Cleveland, Cleveland, OH, USA.

Minerva Pediatrics
|June 19, 2023
PubMed

Insights

Multisystem inflammatory syndrome in children (MIS-C) is a rare condition linked to COVID-19, involving immune system dysregulation. This review covers MIS-C

Area of Science:

  • Pediatric Immunology
  • Infectious Diseases
  • Rheumatology

Background:

  • Multisystem inflammatory syndrome in children (MIS-C) is a rare, hyperinflammatory condition associated with prior COVID-19 exposure.
  • It involves an exaggerated innate and adaptive immune response, including selective cytokine production and T cell suppression.
  • Evolving knowledge necessitates a comprehensive review of current MIS-C literature.

Purpose of the Study:

  • To provide a comprehensive clinical review of Multisystem inflammatory syndrome in children (MIS-C).
  • To summarize current literature on MIS-C's clinical presentations, comparisons to similar conditions, and vaccine associations.
  • To evaluate MIS-C treatments and long-term outcomes to guide future research.

Main Methods:

  • Literature review of current findings on Multisystem inflammatory syndrome in children (MIS-C).
  • Analysis of clinical presentations, differential diagnoses, and COVID-19 vaccine effects.
  • Evaluation of treatment strategies and long-term sequelae.

Main Results:

  • MIS-C presents as a hyperinflammatory state with immune dysregulation following COVID-19 exposure.
  • The review compares MIS-C to other pediatric inflammatory conditions and discusses vaccine-related associations.
  • Current literature on MIS-C treatment and outcomes is synthesized.

Conclusions:

  • A comprehensive understanding of MIS-C clinical features, immune mechanisms, and outcomes is crucial.
  • Further research is needed to refine MIS-C diagnosis, treatment, and long-term management strategies.
  • This review consolidates current knowledge to inform clinical practice and future studies on MIS-C.

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