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Related Experiment Videos

Ipratropium bromide in acute asthma.

M J Ward, P H Fentem, W H Smith

    British Medical Journal (Clinical Research Ed.)
    |February 21, 1981
    PubMed
    Summary

    Ipratropium bromide and salbutamol are effective for acute asthma. Combining these bronchodilators provides enhanced relief in severe asthma patients, improving peak expiratory flow rate significantly.

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    Area of Science:

    • Pulmonology
    • Pharmacology
    • Emergency Medicine

    Background:

    • Acute asthma requires effective bronchodilator therapy.
    • Nebulized bronchodilators are a cornerstone of acute asthma management.
    • Optimizing bronchodilator combinations can improve patient outcomes.

    Purpose of the Study:

    • To evaluate the efficacy of ipratropium bromide in acute asthma.
    • To assess the combined effect of ipratropium bromide and salbutamol.
    • To determine optimal sequencing of these bronchodilators.

    Main Methods:

    • Cumulative-dose-response study of nebulized ipratropium bromide in six patients.
    • Sequential administration of ipratropium bromide and salbutamol in 22 patients.
    • Measurement of peak expiratory flow rate (PEFR) to assess bronchodilation.

    Main Results:

    • A 500 microgram dose of nebulized ipratropium bromide achieved maximal bronchodilation.
    • Ipratropium bromide administered on admission was as effective as nebulized salbutamol.
    • Sequential administration of both drugs resulted in greater bronchodilation than monotherapy.
    • Mean PEFR increased by 96% within four hours when drugs were given sequentially.

    Conclusions:

    • Ipratropium bromide enhances the bronchodilator effect of salbutamol in severe asthma.
    • Sequential administration of ipratropium bromide and salbutamol offers superior bronchodilation.
    • Further research is needed to compare sequential therapy with repeated salbutamol doses.

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