The role of sleep in pathogenesis of nocturnal asthma
Abstract
9 patients, 7 male and 2 female, aged from 20 to 65 years with nocturnal asthma (NA) were submitted to standart polysomnography in computerized sleep laboratory. Results of the study revealed that in patient group with Na in comparison with controls bronchoconstriction was more greater expressed. The sleep study showed the efficiency decrease of sleep with increased number of interventing wakefulness and drowsiness. Either the decrease or the absence of slow-wave sleep in some patients was observed. Alfa-delta intrusion and paroxismal activity were revealed with EEG. Patient respiration with NA was characterized by the presence of intermitting pereiods of hypoand hyperventilation. During REM and NR EM sleep, asthmatic attacks appeared. Obstructive apnea and hypopnea were often revealed in investigated patients. During the mentioned events, desaturation was not severe usually.
About the Authors
A. M. BelovRussian Federation
I. M. Madaeva
Russian Federation
V. Z. Maman
Russian Federation
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Review
For citations:
Belov A.M., Madaeva I.M., Maman V.Z. The role of sleep in pathogenesis of nocturnal asthma. PULMONOLOGIYA. 1993;(1):16-23. (In Russ.)