Aspiration of gastric contents can be a serious anesthetic related complication. Gastric antral sonography prior to anesthesia may have a role in identifying pediatric patients at risk of aspiration. The investigator examined the relationship between sonographic antral area and endoscopically suctioned gastric volumes infants.

Inclusion Criteria:

• Infants undergoing general anesthesia with endotracheal intubation were included in this study

Exclusion Criteria:

• a recent (≤1 month) history of oesophageal or gastric surgery, gastrostomy or ileostomy, diaphragmatic hernia, emergent surgery, or a prolonged duration (>5 min) between completion of US assessment and suctioning of gastric contents

Infants undergoing general anesthesia for abdominal surgery