Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severity
Abstract Background Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis, resulting in 3.6 million hospitalizations for acute lower respiratory tract infections and 101,400 deaths in children under 5 years of age worldwide each year. In Europe, the estimated incidence of RSV-relat...
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2025-07-01
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| Series: | Italian Journal of Pediatrics |
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| Online Access: | https://doi.org/10.1186/s13052-025-01998-6 |
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| author | Anna Condemi Domenico Marrali Chiara Albano Giulia Linares Valeria Garbo Giovanni Boncori Laura Venuti Antonio Cascio Claudia Colomba |
| author_facet | Anna Condemi Domenico Marrali Chiara Albano Giulia Linares Valeria Garbo Giovanni Boncori Laura Venuti Antonio Cascio Claudia Colomba |
| author_sort | Anna Condemi |
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| description | Abstract Background Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis, resulting in 3.6 million hospitalizations for acute lower respiratory tract infections and 101,400 deaths in children under 5 years of age worldwide each year. In Europe, the estimated incidence of RSV-related hospitalizations in infants is 1.8%. We describe the incidence of RSV infection in patients hospitalized in Sicily (Italy) between 2008 and 2021, examine the clinical-epidemiological characteristics of RSV-positive patients, and assess comorbidities associated with illness severity. Methods All data were retrospectively collected from standard hospital discharge records (HDRs). Significant factors from the univariate analysis were included in a multivariate logistic regression using the stepwise forward selection method to calculate adjusted odds ratios (aORs) and identify independent risk factors for ICU admission. Results Collectively, within the study time frame, 4,485 hospital admissions were RSV-related, 271 patients (6%) were admitted to the ICU, and eight deceased (0.2%). The majority of hospitalized patients (86%) were infants (up to 1 year old), 16.5% were newborns (<28 days), and 10.1% were in the 1–4-year-old group. Several predictors of ICU admission, including neonatal sepsis, neonatal respiratory distress, and younger age (in months), were identified through multivariate logistic regression analysis. Conclusions RSV-associated pathologies are important causes of hospitalization in Sicily, and young age (particularly 0–3 months) and comorbidities, including nutritional and metabolic disorders (with a stronger effect in the pediatric subgroup) and congenital heart diseases, are important outcome predictors. However, considering that RSV-related diseases continue to require hospitalizations in healthy children and adults, it is important to continue monitoring RSV-related hospitalizations through updated epidemiological studies, which can guide the implementation of existing preventive strategies and inform the cost‒benefit analysis of new ones. |
| format | Article |
| id | doaj-art-bb9864c1c2074966a6f15b54d19de65c |
| institution | Kabale University |
| issn | 1824-7288 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | BMC |
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| series | Italian Journal of Pediatrics |
| spelling | doaj-art-bb9864c1c2074966a6f15b54d19de65c2025-08-20T03:45:36ZengBMCItalian Journal of Pediatrics1824-72882025-07-0151111410.1186/s13052-025-01998-6Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severityAnna Condemi0Domenico Marrali1Chiara Albano2Giulia Linares3Valeria Garbo4Giovanni Boncori5Laura Venuti6Antonio Cascio7Claudia Colomba8Department of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoDepartment of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, University of PalermoAbstract Background Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis, resulting in 3.6 million hospitalizations for acute lower respiratory tract infections and 101,400 deaths in children under 5 years of age worldwide each year. In Europe, the estimated incidence of RSV-related hospitalizations in infants is 1.8%. We describe the incidence of RSV infection in patients hospitalized in Sicily (Italy) between 2008 and 2021, examine the clinical-epidemiological characteristics of RSV-positive patients, and assess comorbidities associated with illness severity. Methods All data were retrospectively collected from standard hospital discharge records (HDRs). Significant factors from the univariate analysis were included in a multivariate logistic regression using the stepwise forward selection method to calculate adjusted odds ratios (aORs) and identify independent risk factors for ICU admission. Results Collectively, within the study time frame, 4,485 hospital admissions were RSV-related, 271 patients (6%) were admitted to the ICU, and eight deceased (0.2%). The majority of hospitalized patients (86%) were infants (up to 1 year old), 16.5% were newborns (<28 days), and 10.1% were in the 1–4-year-old group. Several predictors of ICU admission, including neonatal sepsis, neonatal respiratory distress, and younger age (in months), were identified through multivariate logistic regression analysis. Conclusions RSV-associated pathologies are important causes of hospitalization in Sicily, and young age (particularly 0–3 months) and comorbidities, including nutritional and metabolic disorders (with a stronger effect in the pediatric subgroup) and congenital heart diseases, are important outcome predictors. However, considering that RSV-related diseases continue to require hospitalizations in healthy children and adults, it is important to continue monitoring RSV-related hospitalizations through updated epidemiological studies, which can guide the implementation of existing preventive strategies and inform the cost‒benefit analysis of new ones.https://doi.org/10.1186/s13052-025-01998-6RSVRespiratory syncytial virusBronchiolitisRSV epidemiologyChildrenNewborns |
| spellingShingle | Anna Condemi Domenico Marrali Chiara Albano Giulia Linares Valeria Garbo Giovanni Boncori Laura Venuti Antonio Cascio Claudia Colomba Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severity Italian Journal of Pediatrics RSV Respiratory syncytial virus Bronchiolitis RSV epidemiology Children Newborns |
| title | Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severity |
| title_full | Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severity |
| title_fullStr | Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severity |
| title_full_unstemmed | Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severity |
| title_short | Hospitalizations for respiratory syncytial virus (RSV) in Sicily from 2008 to 2021: clinical features and predictors of severity |
| title_sort | hospitalizations for respiratory syncytial virus rsv in sicily from 2008 to 2021 clinical features and predictors of severity |
| topic | RSV Respiratory syncytial virus Bronchiolitis RSV epidemiology Children Newborns |
| url | https://doi.org/10.1186/s13052-025-01998-6 |
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