Role of sleep endoscopy in obstructive sleep apnea syndrome

There are limited data about the role of sleep endoscopy in obstructive sleep apnea syndrome (OSAS). The aim of this study was to evaluate the level, degree and shape of obstruction of the upper airway in patients with OSAS by sleep endoscopy and their relation to OSAS severity. Fifty consecutive pa...

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Bibliographic Details
Published in:The Egyptian journal of chest diseases and tuberculosis 2013-07, Vol.62 (3), p.467-473
Main Authors: Salama, Suzan, Kamel, Emad, Omar, Amany, Makhlouf, Hoda A., Farghaly, Shereen
Format: Article
Language:English
Subjects:
Obstructive sleep apnea
Pharyngeal collapse
Sleep endoscopy
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Summary:There are limited data about the role of sleep endoscopy in obstructive sleep apnea syndrome (OSAS). The aim of this study was to evaluate the level, degree and shape of obstruction of the upper airway in patients with OSAS by sleep endoscopy and their relation to OSAS severity. Fifty consecutive patients with OSAS were prospectively enrolled in this cross sectional analytic study. All patients underwent history, a full night-attended polysomnography and sleep endoscopy. The degree of pharyngeal narrowing (grades I–IV) was evaluated at retropalatal, retroglossal and hypopharyngeal levels. Shape of pharyngeal collapse was classified into circular, lateral or antero-posterior at retropalatal and retroglossal levels. Shape of the epiglottis was also observed. All patients showed multisegmental levels of obstruction. Moderate OSAS had a higher percentage of grade II obstruction but a lower percentage of grade I at hypopharyngeal level compared to mild OSAS (P
ISSN:0422-7638
DOI:10.1016/j.ejcdt.2013.07.014