{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,13]],"date-time":"2026-07-13T19:18:39Z","timestamp":1783970319935,"version":"3.55.0"},"reference-count":30,"publisher":"European Respiratory Society (ERS)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur Respir J"],"accepted":{"date-parts":[[2011,5,15]]},"published-print":{"date-parts":[[2012,1]]},"abstract":"<jats:p>Asthma risk is lower after wheezing associated with respiratory syncytial virus (RSV) than with non-RSV infection in infancy. RSV is the main wheezing-associated virus in infants aged &lt;6 months. We evaluated the outcome of children hospitalised for bronchiolitis at &lt;6 months of age, with special focus on viral aetiology and early risk factors.<\/jats:p><jats:p>Out of 205 infants hospitalised for bronchiolitis at &lt;6 months of age, 127 (62%) attended a control visit at a mean age of 6.5 yrs and the parents of an additional 39 children were interviewed by telephone. Thus, follow-up data collected by identical structured questionnaires were available from 166 (81%) children. Viral aetiology of bronchiolitis, studied on admission by antigen detection or PCR, was demonstrable in 97% of cases.<\/jats:p><jats:p>Current asthma was present in 21 (12.7%) children: 8.2% in the 110 former RSV patients<jats:italic>versus<\/jats:italic>24% in non-RSV patients (p=0.01). 45 (27%) children had ever had asthma. In adjusted analyses, atopic dermatitis, non-RSV bronchiolitis and maternal asthma were independently significant early-life risk factors for asthma.<\/jats:p><jats:p>The risk of asthma was lower after RSV bronchiolitis than after bronchiolitis caused by other viruses in children hospitalised at &lt;6 months of age.<\/jats:p>","DOI":"10.1183\/09031936.00040211","type":"journal-article","created":{"date-parts":[[2011,6,24]],"date-time":"2011-06-24T00:44:40Z","timestamp":1308876280000},"page":"76-80","source":"Crossref","is-referenced-by-count":107,"title":["Preschool asthma after bronchiolitis in 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