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Related Experiment Videos

Spirometric changes in normal children with upper respiratory infections.

A M Collier, R L Pimmel, V Hasselblad

    The American Review of Respiratory Disease
    |January 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

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    Common upper respiratory infections temporarily reduce lung function in children. This study monitored 55 children, finding decreased spirometry during illness, suggesting subclinical lower respiratory tract involvement.

    Area of Science:

    • Pediatric Pulmonology
    • Respiratory Medicine
    • Child Health

    Background:

    • Uncomplicated upper respiratory infections (URIs) are known to cause pulmonary function abnormalities in adults.
    • URIs are more frequent in children, necessitating investigation into their impact on pediatric lung function.

    Purpose of the Study:

    • To prospectively evaluate the effects of URIs on lung function in children.
    • To determine if URIs lead to transient pulmonary function abnormalities in pediatric subjects.

    Main Methods:

    • A longitudinal study observed 55 children (2.5-11 years) for 2 years.
    • Spirometry and lung volume studies were performed every 3 months, during URIs, and 4 weeks post-illness.
    • Data were analyzed using linear regression, considering age, sex, and clinical status (URI vs. well).

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    Main Results:

    • All analyzed spirometric parameters, including forced vital capacity and forced expiratory volume in 1 second, showed decreased values during URIs.
    • These reductions were observed across various spirometric measures, indicating widespread impact.

    Conclusions:

    • Childhood URIs are associated with temporary decreases in lung function parameters.
    • The findings suggest subclinical lower respiratory tract involvement during URIs in children, even without overt lower airway or alveolar disease symptoms.