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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
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1 to 3 of 3 Research Studies DisplayedRao S, Armistead I, Tyler A
Respiratory syncytial virus, influenza, and coronavirus disease 2019 hospitalizations in children in Colorado during the 2021-2022 respiratory virus season.
This study compared demographic characteristics, clinical features, and outcomes of children hospitalized with respiratory syncytial virus (RSV), influenza, or severe acute respiratory syndrome coronavirus 2 during their cocirculation 2021-2022 respiratory virus season. The authors conducted a retrospective cohort study using Colorado's hospital respiratory surveillance data comparing coronavirus disease 2019 (COVID-19)-, influenza-, and RSV-hospitalized cases < 18 years of age admitted and undergoing standardized molecular testing between October 1, 2021, and April 30, 2022. The cohort consisted of 847 hospitalized cases, of which 490 (57.9%) were RSV associated, 306 (36.1%) were COVID-19 associated, and 51 (6%) were influenza associated. Most RSV cases were children less than 4 years of age (92.9%), whereas influenza hospitalizations were observed in older children. RSV cases were more likely to require oxygen support higher than nasal cannula compared with COVID-19 and influenza cases, although COVID-19 cases were more likely to require invasive mechanical ventilation than influenza and RSV cases. Compared with children with COVID-19, the risk of intensive care unit admission was highest among children with influenza, whereas the risk of pneumonia, bronchiolitis, longer hospital length of stay, and need for oxygen were more likely among children with RSV.
AHRQ-funded; HS026512.
Citation: Rao S, Armistead I, Tyler A .
Respiratory syncytial virus, influenza, and coronavirus disease 2019 hospitalizations in children in Colorado during the 2021-2022 respiratory virus season.
J Pediatr 2023 Sep; 260:113491. doi: 10.1016/j.jpeds.2023.113491..
Keywords: Children/Adolescents, COVID-19, Respiratory Conditions, Influenza, Hospitalization, Infectious Diseases
Badaki-Makun O, Levin S, Debraine A
Monocyte distribution width as a pragmatic screen for SARS-CoV-2 or influenza infection.
The purpose of this prospective cohort analysis was to determine the performance of Monocyte distribution width (MDW) and other leukocyte parameters as screening tests for SARS-CoV-2 and influenza infection. Researchers conducted an observational study with a cohort analysis consisting of adult patients who underwent complete blood count (CBC) and SARS-CoV-2 or influenza testing in an Emergency Department (ED) between January 2020 and July 2021. The study concluded that MDW, when available as part of a routine complete blood count (CBC) with differential, could be a useful indicator of SARS-CoV-2 or influenza infection.
AHRQ-funded; HS02664002.
Citation: Badaki-Makun O, Levin S, Debraine A .
Monocyte distribution width as a pragmatic screen for SARS-CoV-2 or influenza infection.
Sci Rep 2022 Dec 13; 12(1):21528. doi: 10.1038/s41598-022-24978-w..
Keywords: COVID-19, Influenza, Respiratory Conditions
Encinosa W, Figueroa J, Elias Y
AHRQ Author: Encinosa W
Severity of hospitalizations from SARS-CoV-2 vs influenza and respiratory syncytial virus infection in children aged 5 to 11 years in 11 US states.
By the time emergency use authorization had been granted for the Pfizer-BioNTech vaccine in October 2021 in children aged 5 to 11 years, there had been 1.8 million diagnoses of SARS-CoV-2 infection, 8,000 hospitalizations, and 143 deaths in that age group. Very little has been reported on the severity of those hospitalizations relative to the influenza virus and respiratory syncytial virus (RSV) which are the most common childhood viruses. The purpose of this study was to compare hospitalizations of children aged 5 to 11 for SARS-CoV-2 infection and multisystem inflammatory system in children (MIS-C, a sequela of COVID-19 disease) with the hospitalizations of children aged 5 to 11 years who were infected with influenza and RSV. The researchers utilized inpatient data from the Agency for Healthcare Research and Quality (AHRQ) Healthcare Cost and Utilization Project from the first 11 states with complete first-quarter data as of October 2021, representing 24% of the US population of children aged 5 to 11 years. The researchers examined 46 complications in 7 body systems, total care costs and charges, and data on race and ethnicity. The resulting cross-sectional study included patient data from a total of 2,269 children. The study found that COVID-19 hospitalizations occurred at the rate of 10.8 per 100,000 children, while Influenza and RSV were rare during the first quarter of 2021 with 23 total hospital discharges combined. However, in 2017, which researchers also measured for data on influenza and RSV, influenza and RSV had 17.0 and 6.2 hospitalizations per 100,000 children, respectively. Inpatient death for all viruses was rare. MIS-C had the highest rates of cardiovascular, hematologic, and gastrointestinal complications. Children with RSV ha the highest rate of respiratory complications. Children with COVID-19 (without MISC-C) had the highest rate of neurologic complications, whereas children with influenza had the highest rate of muscoskeletal complications. Children with MIS-C had the longest median length of stay at a median cost of $23,585 per stay compared to children with influenza with a median length of stay of 2 days and a cost of $5,200.
AHRQ-authored.
Citation: Encinosa W, Figueroa J, Elias Y .
Severity of hospitalizations from SARS-CoV-2 vs influenza and respiratory syncytial virus infection in children aged 5 to 11 years in 11 US states.
JAMA Pediatr 2022 May;176(5):520-22. doi: 10.1001/jamapediatrics.2021.6566..
Keywords: Healthcare Cost and Utilization Project (HCUP), COVID-19, Children/Adolescents, Hospitalization, Influenza, Respiratory Conditions