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Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis
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Multisystem Inflammatory Syndrome in Children and Kawasaki Disease: A Spectrum of Postinfectious Hyperinflammatory

Lauren Ambler Robinson1, Marissa Dale2, Mark Gorelik3

  • 1Department of Medicine, Pediatric Rheumatology, Hospital for Special Surgery, New York, NY, USA; Department of Pediatric Rheumatology, 535 East 70th Street, New York, NY 10021, USA.

Rheumatic Diseases Clinics of North America
|June 18, 2023
PubMed

Insights

Kawasaki disease and multisystem inflammatory syndrome in children are hyperinflammatory conditions. Research suggests they may be related parts of a spectrum of post-infectious autoimmune responses, sharing similar features and outcomes.

Area of Science:

  • Pediatric rheumatology and immunology.
  • Infectious disease and its sequelae.

Background:

  • Kawasaki disease and multisystem inflammatory syndrome in children (MIS-C) are distinct hyperinflammatory conditions.
  • Both conditions present with overlapping clinical features and potential shared pathophysiological mechanisms.

Purpose of the Study:

  • To explore the relationship between Kawasaki disease and MIS-C.
  • To investigate shared pathophysiological hypotheses, clinical presentations, treatment strategies, and outcomes.
  • To determine if these conditions exist on a spectrum of post-infectious autoimmune responses.

Main Methods:

  • Comparative analysis of existing literature.
  • Review of emerging pathophysiological hypotheses.
  • Synthesis of clinical features, treatment strategies, and outcomes data.

Main Results:

  • Kawasaki disease and MIS-C share significant similarities in pathophysiology, clinical presentation, and treatment approaches.
  • Despite key differences, evidence points towards a potential relationship between the two conditions.
  • Both conditions may represent different manifestations within a broader spectrum of post-infectious autoimmune phenomena.

Conclusions:

  • Kawasaki disease and MIS-C, while distinct, share crucial similarities suggesting a potential link.
  • Further research is warranted to elucidate their precise relationship on the spectrum of post-infectious autoimmune responses.
  • Understanding this spectrum can inform diagnostic and therapeutic strategies for pediatric hyperinflammatory conditions.

Keywords:
COVID-19Kawasaki diseaseMIS-CVasculitis

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