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18 gennaio 2024

SARS-CoV-2 vs Streptococcus pneumoniae: confronto di caratteristiche cliniche, risultati di laboratorio ed outcome clinici in pazienti ricoverati presso l’Ospedale di Alessandria

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Obiettivi: lo scopo del presente studio è stato quello di confrontare le caratteristiche cliniche, anamnestiche, di laboratorio e gli outcome della polmonite da SARS-CoV-2 e la polmonite causata da Streptococcus pneumoniae in pazienti ricoverati presso l’Ospedale di Alessandria. Metodi: diagnosi radiologica di polmonite mediante radiografia del torace e/o Tomografia Computerizzata (TC) del torace; diagnosi microbiologica dell’infezione da SARS-CoV-2 mediante tampone rinofaringeo RT-2PCR, diagnosi eziologica della polmonite di S. pneumoniae mediante individuazione positiva dell’antigene urinario e/o isolamento di S. pneumoniae da colture respiratorie e/o ematiche. Risultati: 222 pazienti inclusi, 171 con polmonite da SARS-CoV-2 e 51 con polmonite da S. pneumoniae. Gruppo SARS-CoV-2 più frequentemente trattato con farmaci antivirali: 139/171 (81,3%) vs 1/51 (2,1%); p<0,001; hanno spesso bisogno di ossigenoterapia: 142/171 (83%) vs 27/51 (56,3%); p<0,001; e ventilazione meccanica non invasiva: 59/171 (34,5%) vs 7/51 (14,6%); p=0.004. La mortalità è stata più alta nei pazienti con polmonite SARS-CoV-2: 46/171 (26,9%) rispetto ai pazienti con polmonite pneumococcica 5/51 (9,8%); p=0,011. Conclusioni: lo studio ha mostrato una maggiore prevalenza di polmonite causata da SARS-CoV-2 e S. pneumoniae nei maschi piuttosto che nelle femmine. Inoltre, i pazienti con polmonite SARS-CoV-2 rappresentano un gruppo a rischio più elevato di complicanze e morte rispetto a S. pneumoniae.

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SARS-CoV-2 vs Streptococcus pneumoniae: confronto di caratteristiche cliniche, risultati di laboratorio ed outcome clinici in pazienti ricoverati presso l’Ospedale di Alessandria. (2024). Working Paper of Public Health, 11(1). https://doi.org/10.4081/wpph.2023.9809