Sudden desaturation in Obesity patients during induction of anesthesia Inadequate preoxygenation in obesity patients Preoxygenation Obesity Continuous positive airway pressure
Conditions
Interventions
APL valve was set to provide a pressure of 10 cmH2O during preoxygenation via two-hand tight fitting facemask with 100 percent of oxygen flow 6 LPM
Active Comparator Device
CPAP
Sponsors
Anesthesiology department, Faculty of medicine, Khonkaen university
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Patient aged 18-65 years old ASA II-III BMI >= 35 Scheduled undergoing elective surgery under general anesthesia
Exclusion criteria
Exclusion criteria: Deny to participate the study Evidence of lung disease airway disease and heart disease Pregnancy Large abdominal mass Ascites Heavy smoking and current smoker more than 20 pack year and within 6 week Facial anomaly predicted difficult inadequate fit mask preoxygenation Uncooperation Thyperthyroidism Severe metabolic acidosis Severe anemia methemoglobinemia carbon monoxide cyanide poisoning Intravenous pigmented dyes nail painting
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Efficacy of passive Continuous Positive Airway Pressure 1 month after end of intervention Time to achieve End- Tidal Oxygen (ETo2) Level of 90 | — |
Secondary
| Measure | Time frame |
|---|---|
| Apnea times 1 month after end of intervention Duration to Spo2 decrease to 94% after muscle relaxation administration,Respiratory discomfort 1 month after end of intervention Respiratory discomfort score | — |
Countries
Thailand
Contacts
Public ContactMethaphon Ruangkitwanit
Faculty of medicine Khonkaen university
Outcome results
None listed