Document Detail

Response of nasal airway and heart rate variability to controlled nasal breathing.
MedLine Citation:
PMID:  20978779     Owner:  NLM     Status:  In-Data-Review    
To investigate the responses of nasal airway and autonomic nervous system (ANS) under controlled nasal breathings. Ten healthy volunteers, aged between 21 and 37 years, were enrolled. The participants breathed either through bilateral nostrils (BNB) or unilaterally through the left nostril (UNB) at 0.25 Hz for 5 min. The electrocardiography was simultaneously recorded and the ANS activities were evaluated using heart rate variability analysis. Nasal airway resistance and related factors were measured by rhinomanometry. The results showed that the mean heartbeat interval during UNB was significantly greater than during BNB. The sympathetic modulation decreased significantly during UNB. The correlations between nasal airway resistance and mean heartbeat interval were significant for both UNB and BNB. The increase of heartbeat intervals during UNB was associated with the decrease of cardiac sympathetic activities. The changes of ANS activities and nasal airway resistance during UNB are similar to the changes caused by a prolonged lying.
W-H Fan; J-H Ko; M-J Lee; G Xu; Guo-She Lee
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Publication Detail:
Type:  Journal Article     Date:  2010-10-27
Journal Detail:
Title:  European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery     Volume:  268     ISSN:  1434-4726     ISO Abbreviation:  Eur Arch Otorhinolaryngol     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-03-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9002937     Medline TA:  Eur Arch Otorhinolaryngol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  547-53     Citation Subset:  IM    
Otorhinolaryngology Hospital of The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China,
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