Systemic but not local rehydration restores dehydration-induced changes in pulmonary function in healthy adults

Author:

Marshall Hannah1,Gibson Oliver R.12,Romer Lee M.12ORCID,Illidi Camilla1,Hull James H.13,Kippelen Pascale12ORCID

Affiliation:

1. Centre for Human Performance, Exercise, and Rehabilitation, Brunel University London, Uxbridge, United Kingdom

2. Division of Sport, Health, and Exercise Sciences, College of Health, Medicine, and Life Sciences, Brunel University London, Uxbridge, United Kingdom

3. Department of Respiratory Medicine, Royal Brompton Hospital, London, United Kingdom

Abstract

This study demonstrates that, in healthy adults, mild systemic dehydration induced by exercise in the heat or a prolonged period of fluid restriction leads to negative alterations in pulmonary function, primarily localized to small airways. Oral rehydration, but not nebulized isotonic saline, is able to restore pulmonary function in dehydrated individuals. Our findings highlight the importance of maintaining an adequate systemic fluid balance to preserve pulmonary function.

Publisher

American Physiological Society

Subject

Physiology (medical),Physiology

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