Efficacy of High Flow Nasal Oxygen During Sleep Endoscopy in Patients of Obstructive Sleep Apnea

Efficacy of High Flow Nasal Oxygen During Sleep Endoscopy in Patients of Obstructive Sleep Apnea

The purpose of this study is to investigate the utility of high-flow nasal oxygen during sleep endoscopy in obstructive sleep apnea patients.

Inclusion Criteria:

• adult patients aged over 19 years who are scheduled for sleep endoscopy

Exclusion Criteria:

• 1) basal skull fracture, 2) facial anomaly, 3) consciousness disorder, 4) Risk of aspiration, 5) necessity of awake fiberoptic intubation due to the large vocal cord mass, endotracheal tumor or bleeding.