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Related Experiment Videos

Lung function changes by ethanol inhalation

E Zuskin, A Bouhuys, M Sarić

    Clinical Allergy
    |May 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Ethanol inhalation significantly reduced ventilatory capacity and flow rates in healthy volunteers. Disodium cromoglycate (DSCG) pretreatment mitigated these effects, suggesting ethanol may trigger bronchoconstriction via mediator release.

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    Area of Science:

    • Pulmonary Physiology
    • Pharmacology

    Background:

    • Ethanol's acute effects on respiratory function are not fully understood.
    • Investigating the mechanisms behind ethanol-induced changes in ventilatory capacity is crucial.

    Purpose of the Study:

    • To assess the acute impact of ethanol inhalation on ventilatory capacity in healthy individuals.
    • To compare ethanol's effects with saline inhalation and investigate the role of specific mediators.

    Main Methods:

    • Six healthy volunteers inhaled ethanol or saline.
    • Partial expiratory flow-volume (PEFV) curves and FEV1 were measured.
    • Effects of atropine and disodium cromoglycate (DSCG) pretreatment were evaluated.

    Main Results:

    • Ethanol inhalation significantly decreased flow rates on PEFV curves up to 90 minutes.

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  • FEV1 remained unchanged after both ethanol and saline inhalation.
  • Atropine did not prevent flow rate reductions; DSCG considerably diminished them.

    • Conclusions:

    • Ethanol inhalation acutely impairs ventilatory capacity, specifically reducing flow rates.
    • The findings suggest ethanol may induce bronchoconstriction by releasing mediators.
    • DSCG's inhibitory effect points towards a role for mast cell mediators in ethanol's respiratory effects.