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Comparison of Polysomnographic Findings according to Obstruction Sites in Obstructive Sleep Apnea Patients / 대한이비인후과학회지
Korean Journal of Otolaryngology - Head and Neck Surgery ; : 779-783, 2007.
Article in Korean | WPRIM | ID: wpr-650746
ABSTRACT
BACKGROUND AND

OBJECTIVES:

The aim of this study is to identify differences in polysomnographic findings according to the upper airway obstruction level in patients with obstructive sleep apnea (OSA). SUBJECTS AND

METHOD:

Eighty-four patients with OSA were included in this study. Every patient underwent polysomnography (PSG) and upper airway pressure measurement using a four-sensor catheter simultaneously. The catheter was positioned at the posterior nasal cavity, uvula tip, tip of the epiglottis, and mid-esophagus level, which was inserted through the nasal cavity down to the esophagus. The patients were categorized into two groups of single site obstruction and multi-site obstruction.

RESULTS:

Twenty-one patients showed single site obstruction and sixtythree patients showed multi-site obstruction. Apnea-hypopnea index, apnea index, and minimal oxygen saturation showed statistically significant differences between two groups. There was no difference in bony mass index (BMI).

CONCLUSION:

Upper airway pressure measurement can be a method to evaluate the upper airway obstruction site. This study shows that OSA patients with multisite obstruction have severer sleep apnea than those with single site obstruction.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Oxygen / Apnea / Sleep Apnea Syndromes / Uvula / Polysomnography / Sleep Apnea, Obstructive / Airway Obstruction / Epiglottis / Esophagus / Catheters Type of study: Diagnostic study / Prognostic study Limits: Humans Language: Korean Journal: Korean Journal of Otolaryngology - Head and Neck Surgery Year: 2007 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Oxygen / Apnea / Sleep Apnea Syndromes / Uvula / Polysomnography / Sleep Apnea, Obstructive / Airway Obstruction / Epiglottis / Esophagus / Catheters Type of study: Diagnostic study / Prognostic study Limits: Humans Language: Korean Journal: Korean Journal of Otolaryngology - Head and Neck Surgery Year: 2007 Type: Article