Detection on pharyngeal wall floppiness in patients with nonstructural factor‐induced obstructive sleep apnea‐hypopnea syndrome: Difference in position detection

Objectives/Hypothesis To evaluate changes in pharyngeal wall floppiness (PWF) between patients with obstructive sleep apnea‐hypopnea syndrome induced by non–upper‐airway structural factors and normal subjects, as well as the clinical significance using acoustic pharyngealmetry technology. Study Desi...

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Bibliographic Details
Published in:The Laryngoscope 2018-09, Vol.128 (9), p.2200-2205
Main Authors: Lin, Zhiqiang, Jiang, Kanglun, Zhao, Lin, Li, Shuna, Shao, Shu, Qian, Wei, Tao, Zezhang
Format: Article
Language:English
Subjects:
acoustic pharyngealmetry
Acoustics
Adult
Cohort Studies
Female
Humans
Male
Obstructive sleep apnea‐hypopnea syndrome
Organ Size
pharyngeal wall floppiness
Pharynx - pathology
Pilot Projects
Sitting Position
Sleep apnea
Sleep Apnea, Obstructive - diagnosis
Sleep Apnea, Obstructive - pathology
Supine Position
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Summary:Objectives/Hypothesis To evaluate changes in pharyngeal wall floppiness (PWF) between patients with obstructive sleep apnea‐hypopnea syndrome induced by non–upper‐airway structural factors and normal subjects, as well as the clinical significance using acoustic pharyngealmetry technology. Study Design Cohort study. Methods The obstructive sleep apnea (OSA) group (n = 102) and the normal control group (n = 50) were identified using the Eccovision Acoustic Pharyngometer measuring instrument. The volume of the pharyngeal cavity in the sitting and supine positions during expiration and inspiration was recorded, respectively, and the PWF index in the sitting and supine positions was calculated for further statistical analysis. Results PWF in the sitting (P 
ISSN:0023-852X
1531-4995
DOI:10.1002/lary.27082