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      Nebulised hypertonic saline solution for acute bronchiolitis in infants.

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          Abstract

          Airway oedema (swelling) and mucus plugging are the principal pathological features in infants with acute viral bronchiolitis. Nebulised hypertonic saline solution (≥ 3%) may reduce these pathological changes and decrease airway obstruction. This is an update of a review first published in 2008, and previously updated in 2010 and 2013.

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          Most cited references63

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          Bronchiolitis-associated hospitalizations among US children, 1980-1996.

          Respiratory syncytial virus (RSV) causes more lower respiratory tract infections, often manifested as bronchiolitis, among young children than any other pathogen. Few national estimates exist of the hospitalizations attributable to RSV, and recent advances in prophylaxis warrant an update of these estimates. To describe rates of bronchiolitis-associated hospitalizations and to estimate current hospitalizations associated with RSV infection. Descriptive analysis of US National Hospital Discharge Survey data from 1980 through 1996. Children younger than 5 years who were hospitalized in short-stay, non-federal hospitals for bronchiolitis. Bronchiolitis-associated hospitalization rates by age and year. During the 17-year study period, an estimated 1.65 million hospitalizations for bronchiolitis occurred among children younger than 5 years, accounting for 7.0 million inpatient days. Fifty-seven percent of these hospitalizations occurred among children younger than 6 months and 81 % among those younger than 1 year. Among children younger than 1 year, annual bronchiolitis hospitalization rates increased 2.4-fold, from 12.9 per 1000 in 1980 to 31.2 per 1000 in 1996. During 1988-1996, infant hospitalization rates for bronchiolitis increased significantly (P for trend <.001), while hospitalization rates for lower respiratory tract diseases excluding bronchiolitis did not vary significantly (P for trend = .20). The proportion of hospitalizations for lower respiratory tract illnesses among children younger than 1 year associated with bronchiolitis increased from 22.2% in 1980 to 47.4% in 1996; among total hospitalizations, this proportion increased from 5.4% to 16.4%. Averaging bronchiolitis hospitalizations during 1994-1996 and assuming that RSV was the etiologic agent in 50% to 80% of November through April hospitalizations, an estimated 51, 240 to 81, 985 annual bronchiolitis hospitalizations among children younger than 1 year were related to RSV infection. During 1980-1996, rates of hospitalization of infants with bronchiolitis increased substantially, as did the proportion of total and lower respiratory tract hospitalizations associated with bronchiolitis. Annual bronchiolitis hospitalizations associated with RSV infection among infants may be greater than previous estimates for RSV bronchiolitis and pneumonia hospitalizations combined.
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            Systematic Reviews: Identifying relevant studies for systematic reviews

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              Bronchiolitis-associated mortality and estimates of respiratory syncytial virus-associated deaths among US children, 1979-1997.

              A 1985 estimate that 4500 respiratory syncytial virus (RSV)-associated deaths occur annually among US children has not been updated using nationally representative data. Thus, 1979-1997 multiple cause-of-death records for children <5 years old listing bronchiolitis, pneumonia, or any respiratory tract disease were examined. Deaths among children associated with any respiratory disease declined from 4631 in 1979 to 2502 in 1997. During the 19-year study period, 1806 bronchiolitis-associated deaths occurred (annual mean, 95 deaths; range, 66-127 deaths). Of these deaths, 1435 (79%) occurred among infants <1 year old. Congenital heart disease, lung disease, or prematurity was listed in death records of 179 (9.9%), 99 (5.5%), and 76 (4.2%) children dying with bronchiolitis, respectively. By applying published proportions of children hospitalized for bronchiolitis or pneumonia who were RSV-infected to bronchiolitis and pneumonia deaths, it was estimated that < or =510 RSV-associated deaths occurred annually during the study period, fewer than previously estimated.
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                Author and article information

                Journal
                Cochrane Database Syst Rev
                The Cochrane database of systematic reviews
                Wiley
                1469-493X
                1361-6137
                December 21 2017
                : 12
                Affiliations
                [1 ] Faculty of Medicine, Federal University of Rio Grande, Rua Visconde Paranaguá 102, Centro, Rio Grande, RS, Brazil, 96201-900.
                Article
                10.1002/14651858.CD006458.pub4
                6485976
                29265171
                43e4b2d1-ef77-42f4-9975-36b48f784068
                History

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