Fasting
Conditions
Keywords
Ultrasonography, Child, Preoperative period
Brief summary
The purpose of this study is to compare the gastric volume in pediatric patients who followed preoperative fasting guideline using ultrasound.
Interventions
Ultrasound assessment of gastric volume is performed three times; before ingestion of infant formula or carbohydrate drink; 1 hour prior to the surgery; and before induction of general anesthesia.
Scheduled operation under general anesthesia
Sponsors
Study design
Eligibility
Inclusion criteria
\- Pediatric patients scheduled for elective orthopedic, otolaryngologic, ophthalmologic, plastic, and urologic surgery under general anesthesia
Exclusion criteria
* History of surgery on the esophagus or stomach * History of gastrointestinal disease * Ambulatory surgery * Considered inappropriate by the investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Intra-group difference between gastric volume measured on second and third ultrasound assessment | Interval between second and third ultrasound assessment, an expected average of 1 hour |
Secondary
| Measure | Time frame |
|---|---|
| Perioperative incidence of nausea, vomiting, fever, and respiratory complications | From the induction of general anesthesia until postoperative 24 hours |
| Degree of patient's preoperative anxiety, scored from 0 to 10, with 0 being good and 10 being bad | From 8 hours prior to surgery to the induction of general anesthesia, an expected average of 8 hours |
| Degree of patient's preoperative hunger, scored from 0 to 10, with 0 being good and 10 being bad | From 8 hours prior to surgery to the induction of general anesthesia, an expected average of 8 hours |
| Degree of patient's preoperative nausea, scored from 0 to 10, with 0 being good and 10 being bad | From 8 hours prior to surgery to the induction of general anesthesia, an expected average of 8 hours |
| Inter-group difference in gastric volume at each time point | From 6 hours prior to surgery to the induction of general anesthesia, an expected average of 6 hours |
| Degree of patient's preoperative weakness, scored from 0 to 10, with 0 being good and 10 being bad | From 8 hours prior to surgery to the induction of general anesthesia, an expected average of 8 hours |
| Degree of patient's preoperative irritability, scored from 0 to 10, with 0 being good and 10 being bad | From 8 hours prior to surgery to the induction of general anesthesia, an expected average of 8 hours |
| Degree of parent's satisfaction, scored from 0 to 10, with 0 being satisfied and 10 being unsatisfied | From 8 hours prior to surgery to the induction of general anesthesia, an expected average of 8 hours |
| Degree of patient's preoperative thirst, scored from 0 to 10, with 0 being good and 10 being bad | From 8 hours prior to surgery to the induction of general anesthesia, an expected average of 8 hours |
Countries
South Korea