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Febrile neutropenia is one of the main infectious complications experienced by paediatric patients with blood or solid tumours, which, despite the advances in diagnosis and treatment, are still associated with a significant morbidity and mortality. These patients have several risk factors for infection, chief of which are chemotherapy-induced neutropenia, the disruption of cutaneous and mucosal barriers and the use of intravascular devices. Early diagnosis and treatment of febrile neutropenia episodes based on the patient's characteristics is essential in patients with blood and solid tumours to improve their outcomes. Therefore, it is important to develop protocols in order to optimise and standardise its management. In addition, the rational use of antibiotics, with careful adjustment of the duration of treatment and antimicrobial spectrum, is crucial to address the increase in antimicrobial drug resistance. The aim of this document, developed jointly by the Spanish Society of Pediatric Infectious Diseases and the Spanish Society of Pediatric Hematology and Oncology, is to provide consensus recommendations for the management of febrile neutropenia in paediatric oncology and haematology patients, including the initial evaluation, the stepwise approach to its treatment, supportive care and invasive fungal infection, which each facility then needs to adapt to the characteristics of its patients and local epidemiological trends., (Copyright © 2023 Asociación Española de Pediatría. Published by Elsevier España, S.L.U. All rights reserved.)

Introduction: Invasive meningococcal disease (IMD) has a high morbidity and mortality in children and adults. The aim of this study was to describe the clinical and epidemiological characteristics of patients with IMD, to compare them among children and adults, and to determine prognostic factors and changes in epidemiology during a 14-year period., Methods: A retrospective study was conducted on patients admitted to a third level hospital with IMD between 2004 and 2017. An analysis was made of the clinical, epidemiological and microbiological data., Results: A total of 84 patients were diagnosed with IMD, of which 50 (59.5%) were children. Median age was 2 years (IQR 0.7-7.5) for children and 41.2 years (IQR 26.4-69.3) for adults. Diagnosis was bacteraemia in 47 patients (56%), meningitis in 24 (28.6%), and both in 13 (15.5%). Serogroup B (MenB) was the most common cause of IMD (40.5%), followed by serogroup C (MenC) in 15.5%, which was more common among adults (26.5% vs 8%, P=.022). Incidence rate decreased between 2004-2010 and 2011-2017, from 3.14 to 1.33 cases/100.000 emergencies attended in the study hospital (P<.001). Eighty-four percent of children had received≥1 dose of vaccine against MenC, with none against MenB. Children had higher proportion of ICU admissions (78% vs 44.1%, P=.001). Mortality was slightly higher in adults (11.8% vs 2.0%, P=.153). Adverse outcomes (sequelae or mortality) were independently associated with intubation and thrombocytopenia, while disease severity with leukopenia and purpuric rash., Conclusions: IMD incidence has decreased in our setting, with MenB being the most common serogroup. The higher prevalence of MenC in adults was probably related to lower vaccination coverage. According to this study, thrombocytopenia, leukopenia, and purpuric rash were parameters associated with worse outcome., (Copyright © 2019 Asociación Española de Pediatría. Publicado por Elsevier España, S.L.U. All rights reserved.)