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KMID : 0361020130560010007
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Korean Journal of Otolaryngology - Head and Neck Surgery
2013 Volume.56 No. 1 p.7 ~ p.13
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Contemporary Methods of Upper Airway Evaluation in Obstructive Sleep Apnea Patients
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Won Tae-Bin
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Abstract
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Obstructive sleep apnea is a manifestation of upper airway instability leading to upper airway collapse during sleep. Current diagnostic testing with polysomnography provides information regarding the number of apneas and hypopneas but does not provide any information regarding the level of pharyngeal narrowing or collapse. The identification of the site of obstruction is essential in choosing the appropriate treatment, especially when surgical intervention is considered. In this review we present contemporary methods for localizing obstructive sites with emphasis on two promising airway evaluation modalities. Sleep videofluoroscopy and sleep en-doscopy. Further understanding of the obstructive events occurring during sleep with precise evaluation of the sites of obstruction will eventually guide tailored surgical treatment with improved surgical outcomes.
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KEYWORD
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Endoscopy, Obstructive sleep apnea, Snoring, Upper airway
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