Comparison of the Efficacy of High-flow Nasal Oxygen Therapy and Facial Mask Ventilation on the Increase of the Oxygen Reserve Index During Anesthetic Induction

Study Overview
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Brief Summary
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The purpose of this study is to compare the ability of oxygenation with high-flow nasal oxygen therapy and mask ventilation technique for induction of anesthesia in adult patients who are planning to undergo surgery under general anesthesia.

Official Title
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Comparison of the Efficacy of High-flow Nasal Oxygen Therapy and Facial Mask Ventilation on the Increase of the Oxygen Reserve Index During Anesthetic Induction

Conditions
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Adult Patients 20 Years of Age or Older Who Are Planning to Undergo Surgery Under General Anesthesia

Intervention / Treatment
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* Procedure: High-flow nasal oxygen technique
* Procedure: Mask ventilation technique


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: adult patients aged over 19 years who are scheduled for sleep endoscopy Exclusion Criteria: basal skull fracture facial anomaly consciousness disorder Risk of aspiration necessity of awake fiberoptic intubation due to the large vocal cord mass, endotracheal tumor or bleeding.

Ages Eligible for Study
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Minimum Age: 19 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: High-flow nasal oxygen technique<br>High-flow nasal oxygen will be applied to the patients through nasal openings using Optiflow system during anesthetic induction. Pulse oximetry and oxygen reserve index will be monitored continuously. | Procedure: High-flow nasal oxygen technique<br>* High-flow nasal oxygen will be applied to the patients through nasal openings using Optiflow system during anesthetic induction. Pulse oximetry and oxygen reserve index will be monitored continuously.<br>|
| Active Comparator: Mask ventilation technique<br>Oxygen will be supplied through the mouth and nose to the patients using facial mask during anesthetic induction. Pulse oximetry and oxygen reserve index will be monitored continuously. | Procedure: Mask ventilation technique<br>* Oxygen will be supplied through the mouth and nose to the patients using facial mask during anesthetic induction. Pulse oximetry and oxygen reserve index will be monitored continuously.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Peak oxygen reserve index value | Oxygen reserve index will be monitored continuously during anesthetic induction. | for 10 minutes during anesthetic induction. At Day 0. | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The time to achieve the peak oxygen reserve index value | Oxygen reserve index will be monitored continuously during anesthetic induction. | for 10 minutes during anesthetic induction. At Day 0. |