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Pediatr Infect Dis J ; 40(8): e287-e293, 2021 08 01.
Article in English | MEDLINE | ID: covidwho-1305449


BACKGROUND: We aimed to identify risk factors causing critical disease in hospitalized children with COVID-19 and to build a predictive model to anticipate the probability of need for critical care. METHODS: We conducted a multicenter, prospective study of children with SARS-CoV-2 infection in 52 Spanish hospitals. The primary outcome was the need for critical care. We used a multivariable Bayesian model to estimate the probability of needing critical care. RESULTS: The study enrolled 350 children from March 12, 2020, to July 1, 2020: 292 (83.4%) and 214 (73.7%) were considered to have relevant COVID-19, of whom 24.2% required critical care. Four major clinical syndromes of decreasing severity were identified: multi-inflammatory syndrome (MIS-C) (17.3%), bronchopulmonary (51.4%), gastrointestinal (11.6%), and mild syndrome (19.6%). Main risk factors were high C-reactive protein and creatinine concentration, lymphopenia, low platelets, anemia, tachycardia, age, neutrophilia, leukocytosis, and low oxygen saturation. These risk factors increased the risk of critical disease depending on the syndrome: the more severe the syndrome, the more risk the factors conferred. Based on our findings, we developed an online risk prediction tool (, username: user, password: 0000). CONCLUSIONS: Risk factors for severe COVID-19 include inflammation, cytopenia, age, comorbidities, and organ dysfunction. The more severe the syndrome, the more the risk factor increases the risk of critical illness. Risk of severe disease can be predicted with a Bayesian model.

COVID-19/diagnosis , Systemic Inflammatory Response Syndrome/diagnosis , Adolescent , Bayes Theorem , COVID-19/epidemiology , Child , Child, Preschool , Comorbidity , Critical Care , Critical Illness , Female , Humans , Infant , Infant, Newborn , Male , Prospective Studies , Risk Factors , SARS-CoV-2/isolation & purification , Severity of Illness Index , Systemic Inflammatory Response Syndrome/epidemiology
Pediatr Infect Dis J ; 40(3): e111-e113, 2021 03 01.
Article in English | MEDLINE | ID: covidwho-1075647


Our study describes more than 100 children hospitalized with pneumonia during lockdown in the first pandemic wave with only 20% attributable to SARS-CoV-2. The serologic study during follow-up only helped to detect 4%. Other etiologies were common. Older age, presence of headache, vomiting, lymphopenia and thrombopenia were associated with COVID-19 pneumonia.

COVID-19/complications , Pandemics , Pneumonia/etiology , SARS-CoV-2/isolation & purification , COVID-19/epidemiology , COVID-19/virology , Child , Child, Hospitalized , Child, Preschool , Female , Hospitals, University , Humans , Infant , Male , Pneumonia/epidemiology , Pneumonia/virology , SARS-CoV-2/genetics , Spain/epidemiology , Tertiary Care Centers