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Get Free AccessAbstractAsthma typically worsens overnight. Although 24-hr variation in environmental conditions may contribute to the worsening of dyspnea at night, this does not fully explain day-night patterns of this disease. Circadian (about 24-hr) rhythms in bioprocesses which influence airways patency constitute major contributory factors. The nighttime exacerbation of asthma may represent the influence of circadian bioperiodicities in bronchial patency, airways hyperreactivity to acetylcholine, histamine and house dust, and altered levels of several plasma constituents such as Cortisol, epinephrine, histamine and cyclic AMP.Key Words: Nocturnal asthmacircadian rhythmbronchial patencyairways hyperreactivityCortisolsympathetic toneparasympathetic tonearachidonic acid metabolitesplasma histamineIgEgastric refluxairways coolingenvironmental allergens
Michael H. Smolensky, Gilbert E. D’Alonzo, G. Kunkel, Peter J Barnes (1987). Day-Night Patterns in Bronchial Patency and Dyspnea: Basis for Once-Daily and Unequally Divided Twice-Daily Theophylline Dosing Schedules. , 4(3), DOI: https://doi.org/10.3109/07420528709083521.
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Type
Article
Year
1987
Authors
4
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.3109/07420528709083521
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