none
Conditions
Interventions
Sponsors
The First Affiliated Hospital of Guangzhou University of Chinese Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. 18-85 years old; 2. ASA ?-?; 3. Weight 45-110kg; 4. Height > 145cm; 5. BMI< 30.
Exclusion criteria
Exclusion criteria: 1. Failure to provide informed consent; 2. Inability to maintain right lateral decubitus position; 3. Anatomical abnormalities of the upper gastrointestinal tract or history of abdominal surgery compromising ultrasonographic examination (including prior esophageal/gastric procedures); 4. Non-compliance with preoperative fasting requirements; 5. Pregnancy. 6. Inability to identify distinct gastric antrum margins on ultrasonography during fasting assessment or post-fluid administration.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Gastric volume ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Fasting-state gastric volume area assessed at the abdominal aorta plane versus the inferior vena cava plane.; | — |
Countries
China
Contacts
Public ContactMa Wuhua
The First Affiliated Hospital of Guangzhou University of Chinese Medicine
Outcome results
None listed