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Poshtiban A, Wick M, Bangert M, Damm O. Burden of respiratory syncytial virus (RSV) infection in Germany: a systematic review. BMC Infect Dis 2024; 24:844. [PMID: 39164625 PMCID: PMC11337829 DOI: 10.1186/s12879-024-09758-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 08/14/2024] [Indexed: 08/22/2024] Open
Abstract
BACKGROUND Respiratory syncytial virus (RSV) is a major cause of acute lower respiratory infection and hospitalizations among infants, young children, and the elderly. This systematic literature review aimed to summarize the epidemiological and economic burden estimates of RSV infection at any age in Germany. METHODS We conducted a systematic literature search to identify full-text articles published from 2003 to 2023 and reporting data on the epidemiological or economic burden of RSV in Germany. Based on pre-specified eligibility criteria, data on incidence, rates of hospital and intensive care unit (ICU) admission, clinical manifestation, underlying conditions, seasonality, health care resource use and costs were extracted. RESULTS After screening 315 full-text articles, we included 42 articles in the review. The characteristics of the included studies were heterogenous regarding study population, setting, age groups and RSV-related outcome measures. The most frequently reported epidemiological outcome measures were RSV detection rate (n = 33), followed by clinical manifestation (n = 19), seasonality (n = 18), and underlying conditions of RSV infection (n = 13). RSV detection rates were reported across heterogenous study populations, ranging from 5.2 to 55.4% in pediatric inpatient cases and from 2.9 to 14% in adult inpatient cases. All articles that reported RSV detection rates across several age groups demonstrated the highest burden in infants and young children. Few articles reported RSV-related outcome measures distinctively for the outpatient setting. Health care resource use, such as hospital length of stay, ICU admission rate and treatment of patients with RSV infection were described in 23 articles, of which only one study quantified associated costs from 1999 to 2003 for children ≤ 3 years. In-hospital ICU admission rates varied between 3.6 and 45%, depending on population characteristics as age and underlying conditions. CONCLUSIONS This systematic review revealed that RSV imposes substantial disease burden in infants, young children, and the elderly in Germany, whereby infants are particularly affected. To date, there has been limited exploration of the impact of RSV infection on healthy children or the elderly in Germany. Given their notably high reported burden in studies, the medical and economic RSV burden in these groups should move more into focus.
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Affiliation(s)
- Anahita Poshtiban
- Sanofi-Aventis Deutschland GmbH, Lützowstr. 107, 10785, Berlin, Germany.
| | - Moritz Wick
- Sanofi-Aventis Deutschland GmbH, Lützowstr. 107, 10785, Berlin, Germany
| | | | - Oliver Damm
- Sanofi-Aventis Deutschland GmbH, Lützowstr. 107, 10785, Berlin, Germany
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Consolati A, Farinelli M, Serravalle P, Rollandin C, Apprato L, Esposito S, Bongiorno S. Safety and Efficacy of Nirsevimab in a Universal Prevention Program of Respiratory Syncytial Virus Bronchiolitis in Newborns and Infants in the First Year of Life in the Valle d'Aosta Region, Italy, in the 2023-2024 Epidemic Season. Vaccines (Basel) 2024; 12:549. [PMID: 38793800 PMCID: PMC11125727 DOI: 10.3390/vaccines12050549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 05/06/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
Respiratory syncytial virus (RSV) bronchiolitis remains a significant global health burden, particularly in newborns and infants during their first year of life. The quest for an effective preventive strategy against RSV has long been sought, and recent developments have shown promise in the form of nirsevimab, a monoclonal antibody specifically designed for RSV prophylaxis. Valle d'Aosta was the first Italian region to propose universal prophylaxis with nirsevimab for newborns and infants in their first epidemic season as early as 2023-2024. This study describes the effectiveness and safety of the universal prevention program of RSV bronchiolitis using the monoclonal antibody nirsevimab in children resident in Valle d'Aosta born during the 2023-2024 epidemic season. There were 556 neonates born from 1 May 2023 to 15 February 2024. The risk of hospitalization for RSV bronchiolitis in 2023-2024 was 3.2%, compared to 7% in the 2022-2023 epidemic season (p < 0.001). After the start of the prophylaxis campaign with nirsevimab, the risk of hospitalization was 8.3% in the sample of infants who did not adhere to the prophylaxis, while no child in the sample of those treated (p < 0.001) was hospitalized for bronchiolitis. Few mild transient side effects were reported. This study shows the efficacy and safety of universal prophylaxis with nirsevimab in neonates, making Valle d'Aosta the first Italian region to offer universal prophylaxis to newborns without risk factors for RSV complications. Future research could further explore its long-term impact and cost-effectiveness.
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Affiliation(s)
- Alessandra Consolati
- Hygiene and Public Health Structure, Prevention Department, Local Health Authority Valle d’Aosta, 11100 Aosta, Italy; (A.C.); (M.F.); (L.A.); (S.B.)
| | - Mariapaola Farinelli
- Hygiene and Public Health Structure, Prevention Department, Local Health Authority Valle d’Aosta, 11100 Aosta, Italy; (A.C.); (M.F.); (L.A.); (S.B.)
| | - Paolo Serravalle
- Paediatrics and Neonatology Complex Structure, Mother and Child Department, Local Health Authority Valle d’Aosta, 11100 Aosta, Italy;
| | - Christine Rollandin
- School of Specialization in Health Statistics and Biometrics, University of Turin, 10124 Turin, Italy;
- Simple Departmental Structure Preventive Medicine and Risk Management, Strategic Management of the Local Health Authority of Valle d’Aosta, 11100 Aosta, Italy
| | - Laura Apprato
- Hygiene and Public Health Structure, Prevention Department, Local Health Authority Valle d’Aosta, 11100 Aosta, Italy; (A.C.); (M.F.); (L.A.); (S.B.)
| | - Susanna Esposito
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Salvatore Bongiorno
- Hygiene and Public Health Structure, Prevention Department, Local Health Authority Valle d’Aosta, 11100 Aosta, Italy; (A.C.); (M.F.); (L.A.); (S.B.)
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Petat H, Corbet S, Leterrier B, Vabret A, Ar Gouilh M. Unravelling the acute respiratory infection landscape: virus type, viral load, health status and coinfection do matter. Front Cell Infect Microbiol 2024; 14:1380855. [PMID: 38803572 PMCID: PMC11128575 DOI: 10.3389/fcimb.2024.1380855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 04/24/2024] [Indexed: 05/29/2024] Open
Abstract
Introduction Acute respiratory infections (ARI) are the most common infections in the general population and are mainly caused by respiratory viruses. Detecting several viruses in a respiratory sample is common. To better understand these viral codetections and potential interferences, we tested for the presence of viruses and developed quantitative PCR (Polymerase Chain Reaction) for the viruses most prevalent in coinfections: human rhinovirus (HRV) and respiratory syncytial virus (RSV), and quantified their viral loads according to coinfections and health status, age, cellular abundance and other variables. Materials and methods Samples from two different cohorts were analyzed: one included hospitalized infants under 12 months of age with acute bronchiolitis (n=719) and the other primary care patients of all ages with symptoms of ARI (n=685). We performed Multiplex PCR on nasopharyngeal swabs, and quantitative PCR on samples positive for HRV or/and RSV to determine viral loads (VL). Cellular abundance (CA) was also estimated by qPCR targeting the GAPDH gene. Genotyping was performed either directly from first-line molecular panel or by PCR and sequencing for HRV. Results The risks of viral codetection were 4.1 (IC95[1.8; 10.0]) and 93.9 1 (IC95[48.7; 190.7]) higher in infants hospitalized for bronchiolitis than in infants in primary care for RSV and HRV respectively (p<0.001). CA was higher in samples positive for multiple viruses than in mono-infected or negative samples (p<0.001), and higher in samples positive for RSV (p<0.001) and HRV (p<0.001) than in negative samples. We found a positive correlation between CA and VL for both RSV and HRV. HRV VL was higher in children than in the elderly (p<0.05), but not RSV VL. HRV VL was higher when detected alone than in samples coinfected with RSV-A and with RSV-B. There was a significant increase of RSV-A VL when codetecting with HRV (p=0.001) and when co-detecting with RSV-B+HRV versus RSV-A+ RSV-B (p=0.02). Conclusions Many parameters influence the natural history of respiratory viral infections, and quantifying respiratory viral loads can help disentangle their contributions to viral outcome.
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Affiliation(s)
- Hortense Petat
- University of Rouen Normandy, Dynamicure INSERM UMR 1311, CHU Rouen, Department of Pediatrics and Adolescent Medicine, Rouen, France
- University of Caen Normandy, Dynamicure INSERM UMR 1311, Centre hospitalo-universitaire (CHU) Caen, Department of Virology, Caen, France
| | - Sandrine Corbet
- University of Caen Normandy, Dynamicure INSERM UMR 1311, Centre hospitalo-universitaire (CHU) Caen, Department of Virology, Caen, France
| | - Bryce Leterrier
- University of Caen Normandy, Dynamicure INSERM UMR 1311, Centre hospitalo-universitaire (CHU) Caen, Department of Virology, Caen, France
| | - Astrid Vabret
- University of Caen Normandy, Dynamicure INSERM UMR 1311, Centre hospitalo-universitaire (CHU) Caen, Department of Virology, Caen, France
| | - Meriadeg Ar Gouilh
- University of Caen Normandy, Dynamicure INSERM UMR 1311, Centre hospitalo-universitaire (CHU) Caen, Department of Virology, Caen, France
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Mazela J, Jackowska T, Czech M, Helwich E, Martyn O, Aleksiejuk P, Smaga A, Glazewska J, Wysocki J. Epidemiology of Respiratory Syncytial Virus Hospitalizations in Poland: An Analysis from 2015 to 2023 Covering the Entire Polish Population of Children Aged under Five Years. Viruses 2024; 16:704. [PMID: 38793586 PMCID: PMC11126078 DOI: 10.3390/v16050704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/26/2024] [Accepted: 04/27/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Respiratory syncytial virus (RSV) is an important cause of childhood hospitalizations. The aim of the study was to estimate the rates of RSV-related hospitalizations in children aged less than 5 years in Poland. METHODS This retrospective observational cohort study was based on data obtained from the National Health Fund in Poland regarding all acute respiratory tract infections and RSV-coded admissions of children (age < 5 years) to public hospitals between July 2015 and June 2023. Patients were stratified based on the following age groups: 0-1 month, 2-3 months, 4-6 months, 7-12 months, 13-24 months, and 25-60 months. RESULTS The number of RSV-related hospitalizations increased every season, both before and through the ending phase of the coronavirus disease 2019 (COVID-19) pandemic. The COVID-19 pandemic was associated with a shift in the seasonality pattern of RSV infection. Hospitalization rates per 1000 inhabitants were the highest for children aged 0-12 months, reaching 47.3 in the 2022/23 season. Within this group, the highest hospitalization rate was observed for children aged 2-3 months-94.9 in the 2022/23 season. During the ending phase of the COVID-19 pandemic, the observed increase in admission rates was 2-, 4-, and 5-fold the pre-COVID rate for children aged <12 months, 12-24 months, and 25-60 months, respectively. CONCLUSIONS In Poland, RSV infections cause a significant burden in hospitalized children aged less than 5 years. RSV-related hospitalizations were most frequent in children aged less than 1 year. The COVID-19 pandemic was associated with a shift in the seasonality pattern of RSV infections. After the pandemic, more RSV-related hospitalizations were observed in older children (aged 13 months and older) vs. the pre-pandemic phase.
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Affiliation(s)
- Jan Mazela
- Department of Neonatology, Poznan University of Medical Sciences in Poznan, 60-535 Poznan, Poland
| | - Teresa Jackowska
- Department of Pediatrics, Centre of Postgraduate Medical Education, 01-813 Warsaw, Poland;
| | - Marcin Czech
- Department of Pharmacoeconomics, Hospital Infection Control Team, Institute of Mother and Child, 01-211 Warsaw, Poland;
| | - Ewa Helwich
- Institute of Mother and Child, 01-211 Warsaw, Poland;
| | - Oliver Martyn
- Sanofi A/S, Vaccines Medical Affairs, DK-2100 København, Denmark;
| | - Pawel Aleksiejuk
- Sanofi Sp. z o.o., Vaccines Medical Affairs, 01-211 Warsaw, Poland
| | - Anna Smaga
- PEX Sp. z o.o., 02-796 Warsaw, Poland; (A.S.); (J.G.)
- National Institute of Public Health NIH—National Research Institute, 00-791 Warsaw, Poland
| | | | - Jacek Wysocki
- Department of Preventive Medicine, Poznan University of Medical Sciences at Poznan, 61-701 Poznan, Poland;
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Uusitupa E, Waris M, Vuorinen T, Heikkinen T. Respiratory Syncytial Virus-Associated Hospitalizations in Children: A 10-Year Population-Based Analysis in Finland, 2008-2018. Influenza Other Respir Viruses 2024; 18:e13268. [PMID: 38477388 DOI: 10.1111/irv.13268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND The risk of respiratory syncytial virus (RSV) hospitalization is highest during the first months of life, but few studies have assessed the population-based rates of hospitalization in monthly age groups of infants. METHODS We determined the average population-based rates of hospitalization with virologically confirmed RSV infections in children ≤15 years of age admitted during the 10-year period of 2008-2018. Testing for RSV was routine in all children hospitalized with respiratory infections, and all RSV-positive children admitted at any time during the study period were included in the analyses. RESULTS The annual population-based rate of RSV hospitalization was highest in infants 1 month of age (52.0 per 1000 children; 95% CI, 45.2-59.7), followed by infants <1 month of age (34.8 per 1000; 95% CI, 29.2-41.1) and those 2 months of age (32.2 per 1000; 95% CI, 26.9-38.4). In cumulative age groups, the rate of hospitalization was 39.7 per 1000 (95% CI, 36.2-43.4) among infants <3 months of age, 26.8 per 1000 (95% CI, 24.8-29.0) in infants aged <6 months, and 15.8 per 1000 (95% CI, 14.7-17.0) in those <12 months of age. CONCLUSION In monthly age groups of infants, the incidence rates of virologically confirmed RSV hospitalization in all infants up to 3 months of age were substantially higher than those reported in earlier studies. These data may be important for improving the estimates of the cost-effectiveness of various interventions to reduce the burden of RSV in young infants.
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Affiliation(s)
- Erika Uusitupa
- Department of Pediatrics, University of Turku and Turku University Hospital, Turku, Finland
| | - Matti Waris
- Department of Clinical Microbiology, Turku University Hospital, Turku, Finland
- Institute of Biomedicine, University of Turku, Turku, Finland
| | - Tytti Vuorinen
- Department of Clinical Microbiology, Turku University Hospital, Turku, Finland
- Institute of Biomedicine, University of Turku, Turku, Finland
| | - Terho Heikkinen
- Department of Pediatrics, University of Turku and Turku University Hospital, Turku, Finland
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Heidtmann S, Baltaci Y, Meyer S, Zemlin M, Furtwängler R, Rissland J, Simon A. Inpatient Rsv-Management 2016-2022: Epidemiology and Adherence to A Bronchiolitis Treatment Standard at a German University Children's Hospital. KLINISCHE PADIATRIE 2024. [PMID: 38320581 DOI: 10.1055/a-2218-5171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
BACKGROUND This study analyzes the RSV season 2021/2022 in a referral children's hospital, compares the epidemiology and illness severity with RSV-infected inpatients from 2016 to 2020 and audits the adherence to our internal therapy standard for RSV bronchiolitis. MATERIAL AND METHODS Inpatients with rtPCR-confirmed RSV infection (Jan. 2016 to Jan. 2022). RESULTS The audit comprises 306 RSV inpatients, on average 50 hospitalizations per year; in 03/2020, a rapid RSV Season-Offset was observed. In the winter season 2020/2021, no patient with RSV was hospitalized. Beginning in July, we noticed a rapid increase of RSV-admissions (most cases in Sept./Oct, duration until Dec. 2021; n=53). In 2021-2022, a significant larger share needed PICU admission (9.4% vs 3.2%, p=0.040). Adherence to the internal guidance was low; only 11.8% (n=36) of all patients received supportive treatment without inhalative or systemic medications, 37% of all patients received antibiotics. CONCLUSIONS This audit confirms the strong impact of public preventive measures directed against SARS-CoV-2 transmission on RSV epidemiology. Few weeks after easing public COVID-19 restrictions (summer 2021), RSV inpatient cases rapidly increased, lasting until Dec. 2021. The audit of bronchiolitis management revealed surprisingly low adherence to the internal guidance, despite a face-to-face educational session with the attending pediatricians in Oct. 2021. Low adherence resulted in an unnecessary exposure of RSV patients to systemic medications of questionable benefit including antibiotics.
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Affiliation(s)
- Solvej Heidtmann
- Pediatric Oncology and Hematology, TeleKasper Project, Saarland University Hospital, Homburg, Germany
| | - Yeliz Baltaci
- Pediatric Oncology and Hematology, TeleKasper Project, Saarland University Hospital, Homburg, Germany
| | - Sascha Meyer
- General Pediatrics and Neonatology, University Children̓s Hospital Homburg, Homburg, Germany
| | - Michael Zemlin
- General Pediatrics and Neonatology, University Children̓s Hospital Homburg, Homburg, Germany
| | - Rhoikos Furtwängler
- Pediatric Haematology and Oncology, Saarland University Hospital, Homburg/Saar, Germany
| | - Juergen Rissland
- Institute of Virology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Arne Simon
- Pediatric Oncology and Hematology, Saarland University Hospital, Homburg, Germany
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Bechini A, Salvati C, Bonito B, Del Riccio M, Stancanelli E, Bruschi M, Ionita G, Iamarino JA, Bentivegna D, Buscemi P, Ciardi G, Cosma C, Stacchini L, Conticello C, Bega M, Paoli S, Schirripa A, Bertizzolo L, Muzii B, Azzi MV, Parisi S, Trippi F, Bonanni P, Boccalini S. Costs and healthcare utilisation due to respiratory syncytial virus disease in paediatric patients in Italy: a systematic review. Public Health 2024; 227:103-111. [PMID: 38154422 DOI: 10.1016/j.puhe.2023.11.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/21/2023] [Accepted: 11/28/2023] [Indexed: 12/30/2023]
Abstract
OBJECTIVES Respiratory syncytial virus (RSV) is a frequent cause of acute lower respiratory infection in children, imposing a substantial economic burden on healthcare systems. This systematic review aimed to assess the economic burden and healthcare utilisation of RSV in children aged 0-59 months in Italy. STUDY DESIGN Systematic review. METHODS A systematic search of PubMed, Embase, Scopus, and the International HTA Database, including studies published in English or Italian, was conducted between January 2000 and July 2022. Inclusion criteria required studies to be conducted in Italy and provide data on the economic costs and healthcare resource utilisation related to RSV infections. RESULTS Out of 20,845 records screened, 18 articles met the inclusion criteria. Only one study provided comprehensive data on RSV disease costs, including hospitalisation, diagnostic tests, and medical procedures for infants with RSV-bronchiolitis. The mean cost per inpatient was higher for RSV-positive children (€5753.43 ± €2041.62) than that for RSV-negative children. Additionally, five studies reported a median length of hospital stay of 5 days for RSV-infected children, and four studies indicated a higher frequency of intensive care unit admissions for RSV-infected children than for those with other viral infections. CONCLUSIONS This is the first systematic review to examine the economic burden and healthcare utilisation of RSV in children aged 0-59 months in Italy. While limited data were available, the findings underscore the urgency to conduct further research and gather additional evidence on the costs and healthcare resource utilisation associated with RSV infections. Such efforts are essential for informing the development of effective prevention strategies for paediatric RSV infections in Italy.
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Affiliation(s)
- Angela Bechini
- Department of Health Sciences, University of Florence, Florence 50134, Italy
| | - Cristina Salvati
- Department of Health Sciences, University of Florence, Florence 50134, Italy
| | - Benedetta Bonito
- Department of Health Sciences, University of Florence, Florence 50134, Italy
| | - Marco Del Riccio
- Department of Health Sciences, University of Florence, Florence 50134, Italy.
| | - Enrica Stancanelli
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Mario Bruschi
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Giulia Ionita
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Johanna Alexandra Iamarino
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Davide Bentivegna
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Primo Buscemi
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Giulia Ciardi
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Claudia Cosma
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Lorenzo Stacchini
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Cristiana Conticello
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Manjola Bega
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Sonia Paoli
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | - Annamaria Schirripa
- Medical Specialization School of Hygiene and Preventive Medicine, University of Florence, Florence 50134, Italy
| | | | | | | | | | | | - Paolo Bonanni
- Department of Health Sciences, University of Florence, Florence 50134, Italy
| | - Sara Boccalini
- Department of Health Sciences, University of Florence, Florence 50134, Italy
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Brenes-Chacon H, Eisner M, Acero-Bedoya S, Ramilo O, Mejias A. Age-specific predictors of disease severity in children with respiratory syncytial virus infection beyond infancy and through the first 5 years of age. Pediatr Allergy Immunol 2024; 35:e14083. [PMID: 38363050 DOI: 10.1111/pai.14083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 01/16/2024] [Accepted: 01/19/2024] [Indexed: 02/17/2024]
Abstract
BACKGROUND Respiratory syncytial virus (RSV) infection is associated with significant morbidity in infants. Risk factors for severe disease beyond the first 2 years of life have not been fully defined. METHODS Children <5 years hospitalized with virologically confirmed RSV infection were identified over six respiratory seasons (10/2012-4/2018) and their medical records manually reviewed. Multivariable analyses were performed to define the age-specific (<6, 6-24, and >24-59 months) risk factors associated with oxygen administration, PICU admission, mechanical ventilation, and duration of hospitalization. RESULTS We identified 5143 children hospitalized with RSV infection: 53.5% (n = 2749) <6 months; 31.7% (n = 1631) 6-24 months; and 14.8% (n = 763) >24-59 months. Rates of ICU admission were high (35%-36%) and comparable across age groups, while children >24-59 and 6-24 versus those <6 months required supplemental oxygen more frequently (73%; 71%; 68%, respectively; p = .003). The presence of comorbidities increased with age (25%, <6 months; 46%, 6-24 months; 70%, >24-59 months; p < .001). Specifically, neuromuscular disorders, chronic lung disease, and reactive airway disease/asthma were predictive of worse clinical outcomes in children aged 6-24 and >24-59 months, while RSV-viral codetections increased the risk of severe outcomes in children aged <6 and 6-24 months of age. CONCLUSIONS Almost half of children hospitalized with RSV infection were >6 months. Underlying comorbidities increased with age and remained associated with severe disease in older children, while RSV-viral codetections were predictive of worse clinical outcomes in the youngest age groups. These data suggest the importance of defining the clinical phenotype associated with severe RSV according to age, and the persistent burden associated with RSV beyond infancy.
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Affiliation(s)
- Helena Brenes-Chacon
- Center for Vaccines and Immunity, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA
- Department of Pediatrics, Division of Infectious Diseases, Hospital Nacional de Niños Dr. Carlos Sáenz Herrera, San José, Costa Rica
| | - Mariah Eisner
- Department of Biomedical Informatics, Center for Biostatistics, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Santiago Acero-Bedoya
- Center for Vaccines and Immunity, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Octavio Ramilo
- Center for Vaccines and Immunity, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA
- Department of Pediatrics, Division of Infectious Diseases, Nationwide Children's Hospital and The Ohio State University, Columbus, Ohio, USA
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Asuncion Mejias
- Center for Vaccines and Immunity, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA
- Department of Pediatrics, Division of Infectious Diseases, Nationwide Children's Hospital and The Ohio State University, Columbus, Ohio, USA
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
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Miron VD, Raianu RO, Filimon C, Craiu M. Clinical Differences between SARS-CoV-2 and RSV Infections in Infants: Findings from a Case-Control Study. Viruses 2023; 16:63. [PMID: 38257763 PMCID: PMC10819890 DOI: 10.3390/v16010063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 12/27/2023] [Accepted: 12/29/2023] [Indexed: 01/24/2024] Open
Abstract
Infants are a unique pediatric group due to their high hospitalization rates and unfavorable outcomes from acute infectious diseases. Understanding the clinical differences and aftereffects of SARS-CoV-2 in comparison to other prevalent viruses in this age group, like RSV, is crucial for effective management. We conducted a retrospective case-control study of infants hospitalized with SARS-CoV-2 or respiratory syncytial virus (RSV) infection in one year, in a tertiary pediatric hospital in Bucharest, Romania. A total of 188 infants were included in the analysis in a 1:1 ratio (94 with SARS-CoV-2 infection and 94 with RSV infection). Infants with COVID-19 were 10.2 times more likely to have fever (p < 0.001) and 2.4 times more likely to have diarrhea (p = 0.016). Conversely, infants with RSV were 2.5 times more likely to have a cough (p < 0.001), 3.0 times more likely to have nasal congestion (p < 0.001), and 14.7 times more likely to present with dyspnea (p < 0.001). Increased lymphocyte count was more common in infants with RSV (p = 0.008), while lymphopenia was more frequent in infants with SARS-CoV-2 (p = 0.011). The median length of hospital stay was one day longer in infants with RSV infection (5 days vs. 4 days). Overall, infants with RSV infection had a 27.3-fold increased risk of developing respiratory failure (p < 0.001), while infants with COVID-19 had a 5.8-fold increased risk of laryngitis (p = 0.003). Our findings suggest that infants with SARS-CoV-2 infection may present with polymorphic symptoms, mostly dominated by fever, whereas infants with RSV often present with respiratory symptoms. Laboratory differentiation between the two infections is challenging; therefore, the use of rapid antigen or molecular diagnostic tests is crucial for accurate diagnosis, epidemiologically appropriate measures, and effective management. Continued surveillance of both viruses in infants, and beyond, and the implementation of specific control measures are needed to mitigate their impact on this vulnerable pediatric group.
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Affiliation(s)
| | - Raluca-Oana Raianu
- Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Claudiu Filimon
- Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Mihai Craiu
- Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
- National Institute for Mother and Child Health “Alessandrescu-Rusescu”, 020395 Bucharest, Romania
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10
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Niekler P, Goettler D, Liese JG, Streng A. Hospitalizations due to respiratory syncytial virus (RSV) infections in Germany: a nationwide clinical and direct cost data analysis (2010-2019). Infection 2023:10.1007/s15010-023-02122-8. [PMID: 37973718 DOI: 10.1007/s15010-023-02122-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/21/2023] [Indexed: 11/19/2023]
Abstract
PURPOSE Clinical and direct medical cost data on RSV-related hospitalizations are relevant for public health decision-making. We analyzed nationwide data on RSV-coded hospitalizations from Germany in different age and risk groups. METHODS Assessment of RSV-coded hospitalizations (ICD-10-GM RSV-code J12.1/J20.5/J21.0 as primary discharge diagnosis) from 01/2010 to 12/2019, using remote data retrieval from the Hospital Statistics Database of the German Federal Statistical Office. RESULTS Overall, 205,352 RSV-coded hospitalizations (198,139 children < 18 years, 1,313 adults, 5,900 seniors > 59 years) were reported (median age < 1 year, IQR 0; 1; 56% males, 32% with RSV pneumonia). Annual median RSV-coded hospitalization incidence was 24.8/100,000 persons (IQR 21.3; 27.5); children reported a median incidence of 145.8 (IQR 130.9; 168.3). Between 2010 and 2019, hospitalization incidence increased 1.7-fold/15.1-fold/103-fold in children/adults/seniors. Adults and seniors reported higher rates of underlying chronic conditions, complications, and intensive care treatment than children; of 612 in-hospital fatalities, 103/51/458 occurred in children/adults/seniors. Per-patient mean costs varied between 3286€ ± 4594 in 1-4-year-olds and 7215€ ± 13,564 among adults. Increased costs were associated with immune disorders (2.55-fold increase compared to those without), nervous system disorders (2.66-fold), sepsis (7.27-fold), ARDS (12.85-fold), intensive care (4.60-fold) and ECMO treatment (16.88-fold). CONCLUSION The economic burden of RSV-related hospitalizations in Germany is substantial, even when only considering cases with RSV-coded as the primary discharge diagnosis. Children represented the vast majority of RSV-coded hospitalizations. However, adults and seniors hospitalized for RSV were at a higher risk of severe complications, required more costly treatments, and had higher fatality rates; although their RSV-coded hospitalization incidence showed a clear upward trend since 2017, their true hospitalization incidence is still likely to be underestimated due to lack of routine RSV testing in these age groups. Hence, new treatments and vaccines for RSV ideally should also target adults and seniors in addition to children.
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Affiliation(s)
- Patricia Niekler
- Department of Pediatrics, University Hospital of Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Germany
| | - David Goettler
- Department of Pediatrics, University Hospital of Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Germany
| | - Johannes G Liese
- Department of Pediatrics, University Hospital of Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Germany
| | - Andrea Streng
- Department of Pediatrics, University Hospital of Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Germany.
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11
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Wick M, Poshtiban A, Kramer R, Bangert M, Lange M, Wetzke M, Damm O. Inpatient burden of respiratory syncytial virus in children ≤2 years of age in Germany: A retrospective analysis of nationwide hospitalization data, 2019-2022. Influenza Other Respir Viruses 2023; 17:e13211. [PMID: 38019702 PMCID: PMC10667831 DOI: 10.1111/irv.13211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 08/31/2023] [Accepted: 09/29/2023] [Indexed: 12/01/2023] Open
Abstract
BACKGROUND Respiratory syncytial virus (RSV) causes respiratory tract disease in seasonal waves, primarily in infants and young children. This study aims to quantify the number of RSV-related hospitalizations in children ≤2 years of age and to determine corresponding resource use and costs in Germany. METHODS We retrospectively analyzed population-wide hospital data from the Institute for the Hospital Remuneration System (InEK) from 2019 to 2022. RSV cases were identified using the RSV-specific 10th revision of the International Classification of Diseases (ICD-10) codes J12.1, J20.5, and J21.0. The RSV-associated proportion of all hospitalizations caused by severe acute respiratory infections (SARIs), clinical manifestations, length of stay (LOS), intensive care unit (ICU) admissions, ventilation rates, and hospitalization costs were retrieved. RESULTS We identified 98,220 hospitalizations (26,052, 15,407, 31,362, and 25,399 in 2019, 2020, 2021, and 2022, respectively) with a principal RSV diagnosis in children aged ≤2 years in Germany. The majority of RSV hospitalizations (73,178) occurred in infants (<1 year), with annual incidence rates ranging from 14.9 to 28.6 per 1000 population. Fifty-eight percent of all SARI hospitalizations in this age group were attributable to RSV. In children aged ≤2 years, mean LOS was 4.5 days, 6.1% of cases were admitted to ICU, and 5.3% of cases were ventilated. Mean hospitalization costs per case ranged from €3001 to €3961 over the study period. CONCLUSIONS RSV causes substantial disease burden and is a leading cause of SARI-related hospital admissions of children ≤2 years of age in Germany. Our results confirm the need to explore and evaluate strategies to prevent RSV in infants and young children.
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Affiliation(s)
- Moritz Wick
- Sanofi‐Aventis Deutschland GmbHBerlinGermany
| | | | - Rolf Kramer
- Sanofi‐Aventis Deutschland GmbHBerlinGermany
| | | | - Matthias Lange
- Department of Pediatric Pneumology and AllergologyUniversitätsklinik für Kinder‐ und Jugendmedizin OldenburgOldenburgGermany
| | - Martin Wetzke
- Department of Pediatric Pneumology, Allergology and NeonatologyHannover Medical SchoolHannoverGermany
- Biomedical Research in End‐Stage and Obstructive Lung Disease Hannover (BREATH)HannoverGermany
| | - Oliver Damm
- Sanofi‐Aventis Deutschland GmbHBerlinGermany
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12
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Hönemann M, Thiem S, Bergs S, Berthold T, Propach C, Siekmeyer M, Frille A, Wallborn T, Maier M, Pietsch C. In-Depth Analysis of the Re-Emergence of Respiratory Syncytial Virus at a Tertiary Care Hospital in Germany in the Summer of 2021 after the Alleviation of Non-Pharmaceutical Interventions Due to the SARS-CoV-2 Pandemic. Viruses 2023; 15:v15040877. [PMID: 37112857 PMCID: PMC10144477 DOI: 10.3390/v15040877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/24/2023] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
Following the extensive non-pharmaceutical interventions (NPIs) and behavioral changes in the wake of the SARS-CoV-2 pandemic, an interseasonal rise in respiratory syncytial virus (RSV) cases was observed in Germany in 2021. The aim of this study was to characterize the local molecular epidemiology of RSV infections in comparison to the three pre-pandemic seasons. Additionally, clinical data were retrieved from patient charts to determine the clinical significance of RSV infections. RSV detections peaked in calendar week 40 of 2021, 18 weeks earlier than the usual peak observed in the three pre-pandemic seasons. Sequence analysis revealed a close phylogenetic relatedness regardless of the season of origin. A significantly higher amount of pediatric cases (88.9% of all cases, p < 0.001) was observed for season 2021/2022. For the pediatric cases, significant differences were observed for an increased number of siblings in the household (p = 0.004), a lower rate of fever (p = 0.007), and a reduced amount of co-infections (p = 0.001). Although the mean age of the adult patients was significantly younger (47.1 vs. 64.7, p < 0.001), high rates of comorbidities, lower respiratory tract infections and intensive care unit admissions prevailed. The NPIs in the wake of the SARS-CoV-2 pandemic had a tremendous impact on the epidemiologic characteristics and seasonality of RSV and warrant further epidemiologic studies of this important pathogen.
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Affiliation(s)
- Mario Hönemann
- Virology Department, Institute of Medical Microbiology and Virology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
| | - Stephanie Thiem
- Virology Department, Institute of Medical Microbiology and Virology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
| | - Sandra Bergs
- Virology Department, Institute of Medical Microbiology and Virology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
| | - Tom Berthold
- Virology Department, Institute of Medical Microbiology and Virology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
| | - Christian Propach
- Virology Department, Institute of Medical Microbiology and Virology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
| | - Manuela Siekmeyer
- Department of Pediatrics, University of Leipzig, Liebigstrasse 20a, 04103 Leipzig, Germany
| | - Armin Frille
- Department of Respiratory Medicine, University of Leipzig, Liebigstrasse 20, 04103 Leipzig, Germany
| | - Tillmann Wallborn
- Department of Pediatrics, Klinikum St. Georg, Delitzscher Strasse 141, 04129 Leipzig, Germany
| | - Melanie Maier
- Virology Department, Institute of Medical Microbiology and Virology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
| | - Corinna Pietsch
- Virology Department, Institute of Medical Microbiology and Virology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
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13
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Uwak I, Johnson N, Mustapha T, Rahman M, Tonpay T, Regan AK, Mendoza-Sanchez I. Quantifying changes in respiratory syncytial virus-associated hospitalizations among children in Texas during COVID-19 pandemic using records from 2006 to 2021. Front Pediatr 2023; 11:1124316. [PMID: 36994433 PMCID: PMC10040829 DOI: 10.3389/fped.2023.1124316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 02/24/2023] [Indexed: 03/31/2023] Open
Abstract
Aim To quantify changes on RSV- associated hospitalizations during COVID-19 pandemic, among children four years of age or younger at the state and county levels of Texas using routinely acquired hospital admission records. Methods We used the Texas Public Use Data Files (PUDF) of the Department of State Human Services (DSHS) to obtain hospital admissions and healthcare outcomes from 2006 to 2021. We used the 2006-2019 period to estimate a long-term temporal trend and predict expected values for 2020-2021. Actual and predicted values were used to quantify changes in seasonal trends of the number of hospital admissions and mean length of hospital stay. Additionally, we calculated hospitalization rates and assessed their similarity to rates reported in the RSV Hospitalization Surveillance Network (RSV-NET). Results An unusually low number of hospitalizations in 2020 was followed by an unusual peak in the third quarter of 2021. Hospital admissions in 2021 were approximately twice those in a typical year. The mean length of hospital stay typically followed a seasonal trend before COVID-19, but increased by a factor of ∼6.5 during the pandemic. Spatial distribution of hospitalization rates revealed localized healthcare infrastructure overburdens during COVID-19. RSV associated hospitalization rates were, on average, two times higher than those of RSV-NET. Conclusion Hospital admission data can be used to estimate long-term temporal and spatial trends and quantify changes during events that exacerbate healthcare systems, such as pandemics. Using the mean difference between hospital rates calculated with hospital admissions and hospital rates obtained from RSV-NET, we speculate that state-level hospitalization rates for 2022 could be at least twice those observed in the two previous years, and the highest in the last 17 years.
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Affiliation(s)
- Inyang Uwak
- Department of Environmental & Occupational Health, Texas A&M University School of Public Health, College Station, TX, United States
| | - Natalie Johnson
- Department of Environmental & Occupational Health, Texas A&M University School of Public Health, College Station, TX, United States
| | - Toriq Mustapha
- Department of Environmental & Occupational Health, Texas A&M University School of Public Health, College Station, TX, United States
| | - Mariya Rahman
- Department of Environmental & Occupational Health, Texas A&M University School of Public Health, College Station, TX, United States
| | - Tanaya Tonpay
- Department of Environmental & Occupational Health, Texas A&M University School of Public Health, College Station, TX, United States
| | - Annette K. Regan
- School of Nursing and Health Professions, University of San Francisco, San Francisco, CA, United States
| | - Itza Mendoza-Sanchez
- Department of Environmental & Occupational Health, Texas A&M University School of Public Health, College Station, TX, United States
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14
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Sadeck LDSR, Kfouri RDÁ. An update on vaccination in preterm infants. J Pediatr (Rio J) 2023; 99 Suppl 1:S81-S86. [PMID: 36608935 PMCID: PMC10066441 DOI: 10.1016/j.jped.2022.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 12/19/2022] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVE The objective of this article is to review the most current literature on vaccines, focusing on their safety, immunogenicity, and efficacy in preterm newborns, aiming to improve vaccine coverage in this population. DATA SOURCE Most recent scientific publications addressing the immunization of preterm newborns. DATA SYNTHESIS Despite its immunological immaturity, vaccination is well tolerated by preterm infants, and protective immune responses are observed, but some studies have shown that preterm infants undergo unjustified delays in their vaccination schedule. CONCLUSIONS Despite being widely recommended, the routine immunization of preterm infants is often delayed, putting this vulnerable population at risk for several diseases, many of which are preventable by immunization. Every effort should be made to develop universal guidelines that define the immunization of preterm infants.
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Affiliation(s)
- Lilian Dos Santos Rodrigues Sadeck
- Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, Brazil; Centro Neonatal do Instituto da Criança e Adolescente do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, Brazil; Departamento Científico de Neonatologia, Sociedade Brasileira de Pediatria (SBP), São Paulo, SP, Brazil
| | - Renato de Ávila Kfouri
- Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil; Maternidade Santa Joana, São Paulo, SP, Brazil; Departamento de Imunizações, Sociedade Brasileira de Pediatria (SBP), São Paulo, SP, Brazil.
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15
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Pedersen ESL, Kuehni CE. Preventing bronchiolitis among infants with non-pharmaceutical interventions outside pandemics: is it realistic? Eur Respir J 2023; 61:61/2/2202214. [PMID: 36796850 DOI: 10.1183/13993003.02214-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 11/28/2022] [Indexed: 02/18/2023]
Affiliation(s)
- Eva S L Pedersen
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Claudia E Kuehni
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
- Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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16
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Tenenbaum T, Doenhardt M, Diffloth N, Berner R, Armann JP. High burden of RSV hospitalizations in Germany 2021-2022. Infection 2022; 50:1587-1590. [PMID: 35904753 PMCID: PMC9334552 DOI: 10.1007/s15010-022-01889-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 07/12/2022] [Indexed: 12/01/2022]
Abstract
Background Public health measures implemented to mitigate the effects of the COVID-19 pandemic disrupted the worldwide transmission of endemic respiratory viruses such as RSV, as well as other typical, seasonal, and viral respiratory pathogens. Methods From October 18, 2021 to March 31, 2022, RSV cases admitted to German pediatric hospitals were monitored via a newly established, national, Clinician-Led Reporting System (CLRS) that recorded patient age and type of respiratory support. A subanalysis of the first 4 months of the monitoring period was additionally performed. Results In October 2021, a total of 471 hospitalized pediatric RSV cases per day were documented by 67 reporting hospitals. By January 2022, this number dropped to three cases at 11 hospitals (median of reporting hospitals: 37 (11%)). During these months, the median of hospitalized children on general wards and intensive care units was 133 and 15, respectively. In the subanalysis conducted to examine the period October to January, an average of 3.6 ± 2.2 patients per hospital per day were hospitalized on general wards (median 4 cases; range 0.3–8 cases), whereas 0.4 ± 2.2 patients were on intensive care units (median 0.3 cases; range 0–0.9 cases), with 11.5% receiving respiratory support. The majority of patients were under 2 years old. Conclusion The overall burden of out-of-season RSV cases was extraordinarily high in Germany in 2021–2022. The newly established CLRS may help evaluate and, therefore, better allocate local and national pediatric care resources.
Supplementary Information The online version contains supplementary material available at 10.1007/s15010-022-01889-6.
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Affiliation(s)
- Tobias Tenenbaum
- Clinic for Child and Adolescent Medicine, Sana Klinikum Lichtenberg, Academic Teaching Hospital, Charité-Universitätsmedizin, Fanningerstr. 32, 10365, Berlin, Germany.
| | - Maren Doenhardt
- Department of Pediatrics, University Hospital and Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Natalie Diffloth
- Department of Pediatrics, University Hospital and Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Reinhard Berner
- Department of Pediatrics, University Hospital and Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Jakob P Armann
- Department of Pediatrics, University Hospital and Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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