None listed
Conditions
Interventions
Sponsors
The First Affiliated Hospital, Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Patients aged > 18 years, ASA grade I -III, elective operation under general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Facial deformities, trauma or burns; 2. Any injury or disease of the nasopharynx; 3. High risk of reflux aspiration; 4. Patients refuse to participate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| gastric insufflation under the management of ultrasound; | — |
Secondary
| Measure | Time frame |
|---|---|
| the change of gastric antrum area;pharyngeal pressure; | — |
Countries
China
Contacts
Public ContactSun Jiehao
The First Affiliated Hospital, Wenzhou Medical University
Outcome results
None listed