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|Title:||Assessment of nasal cycle by acoustic rhinometry and rhinomanometry|
|Source:||Huang, Z.L., Yeoh, K.H., Wang, D.Y., Ong, K.L., Goh, S.Y., Liew, H.L. (2003). Assessment of nasal cycle by acoustic rhinometry and rhinomanometry. Otolaryngology - Head and Neck Surgery 128 (4) : 510-516. ScholarBank@NUS Repository. https://doi.org/10.1016/S0194-5998(03)00123-2|
|Abstract:||OBJECTIVE: We sought to investigate the pattern, duration, and amplitude of nasal cycle and its response to nasal decongestant. STUDY DESIGN AND SETTING: Ten adult volunteers attended 2 sessions (with and without nasal spray of 0.1% xylometazoline) for consecutive examinations by rhinomanometry and acoustic rhinometry every 10 minutes over 6 hours. RESULTS: A spontaneous fluctuation in nasal minimum cross-sectional area, volume, and nasal resistances (inspiration and expiration) could be observed in every consecutive measurement. A significant negative correlation (r = -0.33 to -0.70, P < 0.05) between both nasal passages was shown in 5 subjects by rhinomanometry and in 2 subjects by acoustic rhinometry but was not detectable after nasal spray with 0.1% xylometazoline. CONCLUSION: A spontaneous fluctuation in nasal patency can be documented every 10 minutes with irregular pattern, frequency, and amplitude. Classic nasal cycle is not a universal phenomenon, which can be abolished by the application of decongestant.|
|Source Title:||Otolaryngology - Head and Neck Surgery|
|Appears in Collections:||Staff Publications|
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