Desaturation during induction of general anesthesia Preoxygenation
Conditions
Interventions
Volunteers will be preoxygenated in the supine position for 5-
min with 100% oxygen 3 liters/min tidal volume breathing,Volunteers will be preoxygenated in the supine position for 5-
min with 100% oxygen 6 liters/min tidal volume breathing,Volunteers will be preoxygenated in the supine position for 5-
min with 100% oxygen 10 liters/min tidal volume breathing
fresh gas flow 3 liters/min,fresh gas flow 6 liters/min,fresh gas flow 10 liters/min
Sponsors
Department of Anesthesiology
Department of Anesthesiology
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1.The American Society of Anesthesiologists Physical Status 1 2.Age 18 - 40 year-old 3.Be graduated from high school
Exclusion criteria
Exclusion criteria: 1.History of smoking within last 3 months 2.History of snoring 3.History of cardiac and respiratory disease 4.BMI > 26kg/m2 5.Beard 6.Gross facial or airway anomalies
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the patient's comfort during preoxygenation with the three different anesthetic breathing circuit after the end of three method five-point scale evaluation | — |
Secondary
| Measure | Time frame |
|---|---|
| the effectiveness (FEO2 > 90%) during preoxygenation with the different anesthetic breathing circuit 30, 60, 90, 120, 150, 180, 210, 240, 270, 300 seconds percents | — |
Countries
Thailand
Contacts
Public ContactSirilak Phianthamdee
Faculty of Medicine Ramathibodi Hospital, Mahidol University
Outcome results
None listed