Association of bacteria and viruses with wheezy episodes in young children: Prospective birth cohort study

Hans Bisgaard*, Mette Northman Hermansen, Klaus Bønnelykke, Jakob Stokholm, Florent Baty, Nanna Lassen Skytt, Julia Aniscenko, Tatiana Kebadze, Sebastian L. Johnston

*Corresponding author af dette arbejde

    Publikation: Bidrag til tidsskriftArtikelForskningpeer review

    Abstrakt

    Objective: To study the association between wheezy symptoms in young children and the presence of bacteria in the airways. Design: Birth cohort study. Setting: Clinical research unit in Copenhagen. Participants: Children of asthmatic mothers, from age 4 weeks to 3 years, with planned visits and acute admissions to the research clinic. Main outcome measure: Frequency of bacteria and virus carriage in airway aspirates during wheezy episodes and at planned visits without respiratory symptoms. Results: 984 samples (361 children) were analysed for bacteria, 844 (299 children) for viruses, and 696 (277 children) for both viruses and bacteria. Wheezy episodes were associated with both bacterial infection (odds ratio 2.9, 95% confidence interval 1.9 to 4.3; P<0.001) and virus infection (2.8, 1.7 to 4.4; P<0.001). The associations of bacteria and viruses were independent of each other. Conclusion: Acute wheezy episodes in young children were significantly associated with bacterial infections similar to but independent of the association with virus infections.

    OriginalsprogEngelsk
    Artikelnummerc4978
    Antal sider1
    TidsskriftBMJ (Online)
    Vol/bind341
    Udgave nummer7776
    DOI
    StatusUdgivet - 9 okt. 2010

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