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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/195035
Bronchiolitis, epidemiological changes during the SARS-CoV-2 pandemic
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Background: Bronchiolitis is the most common viral infection of the lower respiratory tract in infants under 2 years of age. The aim of this study was to analyze and compare the seasonal bronchiolitis peaks before and during the SARS-CoV-2 pandemic. Methods: Descriptive, prospective, and observational study. Patients with severe bronchiolitis admitted to the Pediatric Intensive Care Unit (PICU) of a referral tertiary hospital between September 2010 and June 2021 were included. Demographic data were collected. Viral laboratory-confirmation was carried out. Each season was analyzed and compared. The daily average temperature was collected. Results: 1116 patients were recruited, 58.2% of them males. The median age was 49 days. Respiratory syncytial virus (RSV) was isolated in 782 cases (70.1%). In April 2021, the first and only case of bronchiolitis caused by SARS-CoV-2 was identified. The pre- and post-pandemic periods were compared. There were statistically significant differences regarding: age, 47 vs. 73 days (p = 0.006), PICU and hospital length of stay (p = 0.024 and p = 0.001, respectively), and etiology (p = 0.031). The peak for bronchiolitis in 2020 was non-existent before week 52. A delayed peak was seen around week 26/2021. The mean temperature during the epidemic peak was 10ºC for the years of the last decade and is 23ºC for the present season. Conclusion: The COVID-19 pandemic outbreak has led to a clearly observable epidemiological change regarding acute bronchiolitis, which should be studied in detail. The influence of the environmental temperature does not seem to determine the viral circulation.
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GUITART, Carmina, BOBILLO PÉREZ, Sara, ALEJANDRE, Carme, ARMERO, Georgina, LAUNES MONTAÑA, Cristian, CAMBRA LASAOSA, Francisco josé, BALAGUER GARGALLO, Mònica, JORDÁN GARCÍA, Iolanda. Bronchiolitis, epidemiological changes during the SARS-CoV-2 pandemic. _BMC Infectious Diseases_. 2022. Vol. 22, núm. 1, pàgs. 84. [consulta: 1 de febrer de 2026]. ISSN: 1471-2334. [Disponible a: https://hdl.handle.net/2445/195035]