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J Med Virol ; 96(6): e29715, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38808542

RESUMEN

Numerous factors can increase the risk of severe influenza; however, a majority of severe cases occur in previously healthy children. Identification of high-risk children is important for targeted preventive interventions and prompt treatment. The aim of this study was to evaluate MUC5AC as a biomarker for influenza disease severity in children. For this, a prospective cohort study was conducted in 2019. Children hospitalized with acute respiratory infection (ARI) with confirmed positive influenza infection were enrolled. Influenza cases were identified by reverse transcriptase-polymerase chain reaction. Life-threatening disease (LTD) was defined by the need for intensive care and ventilatory support. MUC5AC, epidemiologic, and clinical risk factors were assessed. Three hundred and forty-two patients were hospitalized with ARI, of which 49 (14%) had confirmed influenza infection and 6 (12%) of them developed LTD. MUC5AC levels were higher in those patients with mild disease compared to cases with poorer outcomes. Our results show that the severity of influenza infection in children is significantly associated with low levels of MUC5AC. These findings suggest its potential as a suitable biomarker for predicting disease severity.


Asunto(s)
Biomarcadores , Gripe Humana , Mucina 5AC , Índice de Severidad de la Enfermedad , Humanos , Gripe Humana/diagnóstico , Gripe Humana/virología , Masculino , Femenino , Biomarcadores/sangre , Mucina 5AC/metabolismo , Estudios Prospectivos , Preescolar , Lactante , Niño , Factores de Riesgo , Hospitalización , Adolescente , Infecciones del Sistema Respiratorio/virología , Infecciones del Sistema Respiratorio/diagnóstico
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