None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria were as follows: aged 2-7 years; ASA Physical Status I~II; BMI<30 kg/m2; who were to undergo general anesthesia without regional anesthesia.
Exclusion criteria
Exclusion criteria: Exclusion criteria were as follows: gastrointestinal disorders; previous gastric or lower oesophageal surgery; laparoscopic or gastrointestinal surgery; develomental delays and cardiac diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| gastric antrum cross-sectional area;Pediatric Anesthesia Emergence Delirium scale; | — |
Secondary
| Measure | Time frame |
|---|---|
| semi-quantitative three-point Gastric antrum assesment; | — |
Countries
China
Contacts
Guangzhou Women and Children's Medical Centre