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A family study of the genetic basis of asthma and wheezy bronchitis

B Sibbald, M E Horn, I Gregg

    Archives of Disease in Childhood
    |May 1, 1980
    PubMed

    Insights

    Asthma and wheezy bronchitis share similar family histories, suggesting a common genetic cause for these childhood respiratory conditions. This finding highlights potential shared genetic factors in wheezy illnesses.

    Area of Science:

    • Pediatric Pulmonology
    • Genetics
    • Epidemiology

    Background:

    • Asthma and wheezy bronchitis are common childhood respiratory conditions.
    • Understanding the familial aggregation of these conditions is crucial for identifying underlying causes.

    Purpose of the Study:

    • To investigate family histories of asthma and wheezy bronchitis in children diagnosed with these conditions.
    • To determine if there are shared genetic factors between asthma and wheezy bronchitis.

    Main Methods:

    • A comparative study involving 77 asthmatic, 78 wheezy bronchitic, and 87 control children (aged 1-12 years).
    • Detailed examination of family histories for asthma and wheezy bronchitis in probands and their relatives.

    Main Results:

    • Significantly higher prevalence of asthmatic relatives in asthmatic and wheezy bronchitic children compared to controls.
    • A trend for increased prevalence of wheezy bronchitic relatives in asthmatic and wheezy bronchitic children, though not statistically significant.
    • Asthma was more prevalent in relatives of both wheezy proband groups than in control relatives.

    Conclusions:

    • The similar family histories strongly suggest a shared genetic basis for asthma and wheezy bronchitis in children.
    • These findings indicate that asthma and wheezy bronchitis may represent different manifestations of a common underlying genetic predisposition.

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