• Emanuele Castagno, Sonia Aguzzi, Lorenza Rossi, Rachele Gallo, Andrea Carpino, Fulvio Ricceri, Antonio F Urbino, and Claudia Bondone.
• From the Department of Pediatric Emergency, Regina Margherita Children's Hospital - A.O.U. Città della Salute e della Scienza di Torino, Turin, Italy.
• Pediatr Emerg Care. 2023 May 1; 39 (5): 311317311-317.

ObjectivesSepsis and meningitis in children may present with different clinical features and a wide range of values of inflammatory markers. The aim of this study was to identify the prognostic value of clinical features and biomarkers in children with sepsis and bacterial meningitis in the emergency department (ED).MethodsWe carried out a single-center, retrospective, observational study on 194 children aged 0 to 14 years with sepsis and bacterial meningitis admitted to the pediatric ED of a tertiary children's hospital through 12 years.ResultsAmong epidemiological and early clinical features, age older than 12 months, capillary refill time greater than 3 seconds, and oxygen blood saturation lower than 90% were significantly associated with unfavorable outcomes, along with neurological signs ( P < 0.05). Among laboratory tests, only procalcitonin was an accurate and early prognostic biomarker for sepsis and bacterial meningitis in the ED, both on admission and after 24 hours. Procalcitonin cut-off value on admission for short-term complications was 19.6 ng/mL, whereas the cut-off values for long-term sequelae were 19.6 ng/mL on admission and 41.9 ng/mL after 24 hours, respectively. The cut-off values for mortality were 18.9 ng/mL on admission and 62.4 ng/mL at 24 hours.ConclusionsProcalcitonin, along with clinical evaluation, can guide the identification of children at higher risk of morbidity and mortality, allowing the most appropriate monitoring and treatment.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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