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Войти в исследования Viruses · 2025
Viral Burden of Respiratory Syncytial Virus and Viral Coinfections as Factors Regulating Paediatric Disease Severity.
СтатьяНазвание и аннотация: Перевод в очереди
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Di Maio Velia Chiara, Scutari Rossana, Mastropaolo Martina, Colagrossi Luna, Linardos Giulia, Coltella Luana, Ranno Stefania, Galeno Eugenia, Pisani Mara, Vittucci Anna Chiara, Cristaldi Sebastian, Raponi Massimiliano, Villani Alberto, Russo Cristina, Perno Carlo Federico
Аннотация
BACKGROUND: Respiratory syncytial virus (RSV) is a leading cause of acute respiratory infections (ARIs) in children. However, the clinical impact of RSV co-infection with other respiratory viruses remains unclear. This study investigates the frequency and clinical outcomes of RSV infections in a large paediatric cohort.
METHODS: Paediatric patients with RSV-positive respiratory samples admitted to Bambino Gesù Children's Hospital between January 2022 and April 2024 were analysed.
RESULTS: Within 17,259 respiratory samples from 9877 paediatric patients, 952 (9.6%) were RSV-positive. Among these, 637 patients with ARI were included. RSV affected the lower respiratory tract in 549 cases (86.2%) and the upper tract in 88 (13.8%) cases. RSV mono-infection was found in 286 (44.9%) patients, while 351 (55.1%) patients had co-infections. Mono-infections showed lower cycle-threshold (CT) than co-infections in both upper and lower tract (p-value:0.002 and 0.037, respectively). Pneumonia was associated with RSV co-infection (N = 48, 15.4%), whereas bronchiolitis was mostly seen in mono-infection (N = 196, 78.1%, p-value:0.002). Regression analysis showed an association between pneumonia and co-infection (AOR: 1.97 [1.06-3.64], p-value = 0.031), higher CT (AOR [95% CI]: 1.07 [1.02-1.11], p-value = 0.006) and older age (AOR [95% CI]: 1.48 [1.31-1.68], p-value < 0.001), whereas bronchiolitis was associated with mono-infection, younger age and lower CT.
CONCLUSIONS: This study highlights the role of RSV in paediatric disease and emphasises the importance of early diagnosis, personalised treatment and preventive strategies to improve outcomes and reduce the burden of disease.
METHODS: Paediatric patients with RSV-positive respiratory samples admitted to Bambino Gesù Children's Hospital between January 2022 and April 2024 were analysed.
RESULTS: Within 17,259 respiratory samples from 9877 paediatric patients, 952 (9.6%) were RSV-positive. Among these, 637 patients with ARI were included. RSV affected the lower respiratory tract in 549 cases (86.2%) and the upper tract in 88 (13.8%) cases. RSV mono-infection was found in 286 (44.9%) patients, while 351 (55.1%) patients had co-infections. Mono-infections showed lower cycle-threshold (CT) than co-infections in both upper and lower tract (p-value:0.002 and 0.037, respectively). Pneumonia was associated with RSV co-infection (N = 48, 15.4%), whereas bronchiolitis was mostly seen in mono-infection (N = 196, 78.1%, p-value:0.002). Regression analysis showed an association between pneumonia and co-infection (AOR: 1.97 [1.06-3.64], p-value = 0.031), higher CT (AOR [95% CI]: 1.07 [1.02-1.11], p-value = 0.006) and older age (AOR [95% CI]: 1.48 [1.31-1.68], p-value < 0.001), whereas bronchiolitis was associated with mono-infection, younger age and lower CT.
CONCLUSIONS: This study highlights the role of RSV in paediatric disease and emphasises the importance of early diagnosis, personalised treatment and preventive strategies to improve outcomes and reduce the burden of disease.