Integrated response of the upper and lower respiratory tract of asthmatic subjects to frigid air

Division of Pulmonary and Critical Care Medicine, University Hospitals of Cleveland, and Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106 To evaluate the influence of cold air hyperpnea on integrated upper and lower airway behavior, 22 asthmatic volun...

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Bibliographic Details
Published in:Journal of applied physiology (1985) 2000-03, Vol.88 (3), p.1043-1050
Main Authors: McLane, Melissa L, Nelson, Jo Ann, Lenner, K. A, Hejal, Rana, Kotaru, Chakradhar, Skowronski, Mary, Coreno, Albert, Lane, Elizabeth, McFadden, E. R., Jr
Format: Article
Language:English
Subjects:
Acclimatization - physiology
Adult
Air
Airway Resistance - physiology
Asthma - physiopathology
Body Temperature Regulation - physiology
Bronchi - physiopathology
Cold Temperature - adverse effects
Female
Forced Expiratory Volume - physiology
Humans
Hyperventilation - physiopathology
Male
Nasal Cavity - physiology
Respiratory Mechanics - physiology
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Summary:Division of Pulmonary and Critical Care Medicine, University Hospitals of Cleveland, and Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106 To evaluate the influence of cold air hyperpnea on integrated upper and lower airway behavior, 22 asthmatic volunteers hyperventilated through their mouths (OHV) and noses (NHV) while pulmonary and nasal function were determined individually and in combination. In the isolated studies, OHV at a minute ventilation of 65 ± 3   l/min lowered the 1-s forced expiratory volume (FEV 1 ) 24 ± 2% ( P  
ISSN:8750-7587
1522-1601
DOI:10.1152/jappl.2000.88.3.1043