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Multisystem inflammatory syndrome in children: An international survey

  • Carles Bautista-Rodriguez
  • , Joan Sanchez-De-Toledo
  • , Bradley C. Clark
  • , Jethro Herberg
  • , Fanny Bajolle
  • , Paula C. Randanne
  • , Diana Salas-Mera
  • , Sandrine Foldvari
  • , Devyani Chowdhury
  • , Ricardo Munoz
  • , Francesco Bianco
  • , Yogen Singh
  • , Michael Levin
  • , Damien Bonnet
  • , Alain Fraisse
  • Royal Brompton Hospital
  • Imperial College London
  • University of Cambridge
  • SJD Barcelona Children's Hospital
  • University of Pittsburgh
  • Montefiore Health System
  • Yeshiva University
  • Imperial College Healthcare NHS Trust
  • Université Paris Cité
  • Hospital Universitario La Paz
  • Cardiology Care for Children
  • Children's National Medical Center
  • Marche Polytechnic University
  • Cambridge University Hospitals NHS Foundation Trust

Research output: Contribution to journalArticlepeer-review

108 Scopus citations

Abstract

OBJECTIVES: To describe presentation, hospital course, and predictors of bad outcome in abstract multisystem inflammatory syndrome in children (MIS-C). METHODS: Retrospective data review of a case series of children meeting the published definition for MIS-C who were discharged or died between March 1, 2020, and June 15, 2020, from 33 participating European, Asian, and American hospitals. Data were collected through a Web-based survey and included clinical, laboratory, electrocardiographic, and echocardiographic findings and treatment management. RESULTS: We included 183 patients with MIS-C: male sex, 109 (59.6%); mean age 7.0 6 4.7 years; Black race, 56 (30.6%); obesity, 48 (26.2%). Overall, 114 of 183 (62.3%) had evidence of severe acute respiratory syndrome coronavirus 2 infection. All presented with fever, 117 of 183 (63.9%) with gastrointestinal symptoms, and 79 of 183 (43.2%) with shock, which was associated with Black race, higher inflammation, and imaging abnormalities. Twenty-seven patients (14.7%) fulfilled criteria for Kawasaki disease. These patients were younger and had no shock and fewer gastrointestinal, cardiorespiratory, and neurologic symptoms. The remaining 77 patients (49.3%) had mainly fever and inflammation. Inotropic support, mechanical ventilation, and extracorporeal membrane oxygenation were indicated in 72 (39.3%), 43 (23.5%), and 4 (2.2%) patients, respectively. A shorter duration of symptoms before admission was found to be associated with poor patient outcome and for extracorporeal membrane oxygenation and/or death, with 72.3% (95% confidence interval: 0.56-0.90; P =.006) increased risk per day reduction and 63.3% (95% confidence interval: 0.47-0.82; P,.0001) increased risk per day reduction respectively. CONCLUSIONS: In this case series, children with MIS-C presented with a wide clinical spectrum, including Kawasaki disease-like, life-threatening shock and milder forms with mainly fever and inflammation. A shorter duration of symptoms before admission was associated with a worse outcome.

Original languageEnglish
Article numbere2020024554
JournalPediatrics
Volume147
Issue number2
DOIs
StatePublished - 1 Feb 2021
Externally publishedYes

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