Treatments and Severe Outcomes for Patients Diagnosed with MIS-C at Four Children's Hospitals in the United States, March 16, 2020-March 10, 2021

Ami B. Shah, Joseph Y. Abrams, Shana Godfred-Cato, Amber Kunkel, Teresa A. Hammett, Maria A. Perez, Hui Mien Hsiao, Nadine Baida, Christina A. Rostad, Wassim Ballan, Kaleo Ede, Federico R. Laham, Carol M. Kao, Matthew E. Oster, Ermias D. Belay

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background: Clinical management of multisystem inflammatory syndrome in children (MIS-C) has varied over time and by medical institution. Methods: Data on patients with MIS-C were collected from 4 children's hospitals between March 16, 2020 and March 10, 2021. Relationships between MIS-C treatments and patient demographics, clinical characteristics, and outcomes were described. Propensity score matching was utilized to assess the relative risk of outcomes dependent on early treatment with intravenous immunoglobulin (IVIG) or low-dose steroids, controlling for potential confounding variables. Results: Of 233 patients diagnosed with MIS-C, the most commonly administered treatments were steroids (88.4%), aspirin (81.1%), IVIG (77.7%) and anticoagulants (71.2%). Compared with those patients without respiratory features, patients with respiratory features were less likely to receive IVIG and steroids on the same day (combination treatment) (44.1%). Controlling for confounding variables, patients receiving IVIG within 1 day of hospitalization were less likely to have hospital length of stay ≥8 days (RR = 0.53, 95% CI: 0.31-0.88). Patients receiving low-dose steroids within 1 day of hospitalization were less likely to develop ventricular dysfunction (RR = 0.45, 95% CI: 0.26-0.77), have increasingly elevated troponin levels (RR = 0.55, 95% CI: 0.40-0.75) or have hospital length of stay ≥8 days (RR = 0.46, 95% CI: 0.29-0.74). Conclusion: Treatments for MIS-C differed by hospital, patient characteristics and illness severity. When IVIG and low-dose steroids were administered in combination or low-dose steroids were administered alone within 1 day of hospitalization, the risk of subsequent severe outcomes was decreased.

Original languageEnglish
Pages (from-to)990-998
Number of pages9
JournalPediatric Infectious Disease Journal
Volume42
Issue number11
DOIs
StatePublished - Nov 1 2023

Keywords

  • COVID-19
  • MIS-C
  • multisystem inflammatory syndrome in children
  • njkpediatric
  • PIMS
  • treatments

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