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Case Reports
. 2022 Apr 15;9(4):564.
doi: 10.3390/children9040564.

Infection-Triggered Hyperinflammatory Syndromes in Children

Martina Rossano  1 , Greta Rogani  1 , Maria Maddalena D'Errico  2 , Martina Cucchetti  1 , Francesco Baldo  1 , Sofia Torreggiani  1 , Gisella Beretta  1 , Stefano Lanni  1 , Antonella Petaccia  1 , Carlo Agostoni  1 , Giovanni Filocamo  1 , Francesca Minoia  1
Affiliations
Case Reports

Infection-Triggered Hyperinflammatory Syndromes in Children

Martina Rossano et al. Children (Basel). .

Abstract

An association between infectious diseases and macrophage activation syndrome (MAS) has been reported, yet the exact role of infection in MAS development is still unclear. Here, a retrospective analysis of the clinical records of patients with rheumatic diseases complicated with MAS who were treated in a pediatric tertiary care center between 2011 and 2020 was performed. Any infection documented within the 30 days preceding the onset of MAS was reported. Out of 125 children in follow-up for systemic rheumatic diseases, 12 developed MAS, with a total of 14 episodes. One patient experienced three episodes of MAS. Clinical and/or laboratory evidence of infection preceded the onset of MAS in 12 events. Clinical features, therapeutic strategies, and patient outcomes were described. The aim of this study was to evaluate the possible role of infection as a relevant trigger for MAS development in children with rheumatic conditions. The pathogenetic pathways involved in the cross-talk between uncontrolled inflammatory activity and the immune response to infection deserve further investigation.

Keywords: infections; macrophage activation syndrome; rheumatic diseases; trigger.

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Conflict of interest statement

The authors declare no conflict of interest.

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