A Review of Multisystem Inflammatory Syndrome in Children (MIS-C) Associated with COVID-19

The coronavirus disease 2019 (COVID-19) pandemic, with a high morbidity and mortality rate, has affected all age groups. COVID-19 infection in children usually has minimal symptoms, but thenumberof children with the inflammatory syndrome with clinical features similar to the Kawasaki disease has increased during the COVID-19 pandemic. Information about this emerging COVID-19 manifestation also called the multisystem inflammatory syndrome in children (MIS-C), is still incomplete. Patients typically present with persistent fever, followed by shock or multi-organ involvement. Laboratory findings and clinical presentation of this multi-organ involvement is part of the diagnostic criteria. Early treatment and multidisciplinary referral to pediatric specialists are essential. The prognosis of MIS-C is not yet fully understood. Although most children survive, several deaths have also been reported. Based on relevant evidence, this study aimed to review the pathophysiology, clinical manifestations, laboratory and imaging findings, diagnosis, treatment recommendations, and prognosis of MIS-C associated with COVID-19.