Undefined
Conditions
Brief summary
Preoperative preoxygenation is performed using High-flow nasal oxygen therapy, and the gastric volume before and after High-flow nasal oxygen therapy is measured by ultrasound and compared in obese patients undergoing surgery under general anesthesia.
Detailed description
Preoperative preoxygenation is performed using High-flow nasal oxygen therapy, and the gastric volume before and after High-flow nasal oxygen therapy is measured by ultrasound and compared in obese patients undergoing surgery under general anesthesia.
Interventions
None listed
Sponsors
SMG-SNU Boramae Medical Center
Seoul National University Hospital
Study design
Observational model
CASE_ONLY
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Adult patients with a BMI of 30 kg/m2 or more, undergoing surgery under general anesthesia
Exclusion criteria
* Nasotracheal intubation * History of a surgery or anatomical anomaly in the head and neck * History of Inability to breathe through nose * History of difficult airway * Severe cardiac or respiratory disease * Gastric reflux disease, diabetes, pregnancy * Previous gastric surgery
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| gastric volume measured by gastric ultrasound | immediately before HFNOT, immediately after HFNOT, immediately after tracheal intubation | gastric volume measured by gastric ultrasound |
Countries
South Korea
Contacts
Primary ContactTae Kyong Kim
Outcome results
None listed