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Bronchial hyperreactivity after infantile obstructive bronchitis

G Póder, G Mezei, I Romhányi

    Acta Paediatrica Hungarica
    |January 1, 1985
    PubMed

    Insights

    Infantile obstructive bronchitis can lead to asthma in 11% of children. Many non-asthmatic children show bronchial hyperreactivity, linked to recurrent wheezing episodes.

    Area of Science:

    • Pediatrics
    • Pulmonology
    • Epidemiology

    Background:

    • Infantile obstructive bronchitis is a common respiratory condition in early childhood.
    • Long-term outcomes and risk factors for developing asthma after infantile obstructive bronchitis require further investigation.

    Purpose of the Study:

    • To investigate the long-term outcomes of infantile obstructive bronchitis.
    • To identify risk factors for asthma development and bronchial hyperreactivity in children previously treated for infantile obstructive bronchitis.

    Main Methods:

    • A follow-up study was conducted on 406 patients treated for infantile obstructive bronchitis between 1964 and 1973.
    • Patients were assessed at a mean age of 12.6 years.
    • Asthma development and bronchial hyperreactivity (using acetylcholine and histamine provocation tests) were evaluated.

    Main Results:

    • 11% of patients developed asthma within 10 years of their initial wheezy episode.
    • Bronchial hyperreactivity was observed in one-third of non-asthmatic children.
    • A significant correlation was found between recurrent obstructive episodes/wheezing duration and bronchial hyperreactivity.

    Conclusions:

    • Infantile obstructive bronchitis is associated with a significant risk of developing asthma.
    • Bronchial hyperreactivity is prevalent in non-asthmatic children with a history of infantile obstructive bronchitis.
    • Recurrent wheezing episodes may predict the development of bronchial hyperreactivity.

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