Vitamin D and morbidity in children with Multisystem inflammatory syndrome related to Covid-19

Diana Torpoco Rivera, Amrit Misra, Yamuna Sanil, Natalie Sabzghabaei, Raya Safa, Richard U. Garcia

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1 Scopus citations

Abstract

Background: Multisystem inflammatory syndrome (MIS-C) is a clinical presentation reported in children related to Coronavirus-19 infection who present with a toxic shock like syndrome. Vitamin D deficiency has been postulated to play a role with severity of coronavirus infection in adult patients and other viral respiratory infections. Objective: This study aims to investigate if severe vitamin D deficiency was associated with increased disease severity and cardiac involvement in MIS-C. Methods: This is a retrospective and single center study. We included hospitalized patients less than 18 years of age with diagnosis of MIS-C between March and July 2020. Severe vitamin D deficiency was defined as 25-OH vitamin D level < 10 ng/ml within 48 h of admission. The composite outcome severe disease included patients requiring inotropes, mechanical ventilation, and extracorporeal membrane oxygenation. Results: Of the 31 patients with MIS-C, 45% were male and 58% were African American. The median age was 8 (1–13) years. Ten patients had severe vitamin D deficiency with a mean level of 7.2 ng/ml. Ninety percent of patients with severe vitamin D deficiency had severe disease (P < 0.001). Patients with severe vitamin D deficiency had an increased risk of cardiac involvement (P < 0.001). Conclusions: We describe a potential association between severe vitamin D deficiency and severe disease in children presenting with MIS-C. Severe vitamin D deficiency predisposes patients for cardiovascular involvement and may play a critical role in the host immune response to COVID-19 infection. Future prospective studies at the basic science and clinical level should be pursued to better delineate this association.

Original languageEnglish
Article number101507
JournalProgress in Pediatric Cardiology
Volume66
DOIs
StatePublished - Sep 2022
Externally publishedYes

Keywords

  • Cardiac involvement
  • Covid-19 infection
  • Severe disease
  • Vitamin D

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