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In the recent literature, pre-operative fasting times for pediatric patients are limited to one hour for clear fluids. Studies related to gastric emptying times mostly searched for normal-weight children. These studies have claimed that 3 mL/kg clear fluid can be allowed up to 1 hour before surgery. There is a lack of interest in the gastric emptying time of obese pediatric patients during the preoperative period. In addition, there is controversy about gastric emptying times of obese healthy children. Some research committed the decrease of gastric emptying because of a high level of sensitivity to cholecystokinin, while others postulated that no change in gastric emptying time of obese children compared to normal weight. The aim of this trial is to compare the gastric volume and gastric emptying time after ingestion of 3 mL/kg clear fluid in obese and non-obese pediatric patients in the pre-operative period.
After receiving informed consent from the children and their families, American Society of Anesthesiologists (ASA) 1-2 pediatric patients between 6-14 years, who will recruit for elective surgery will be included for this study. The children over 95% percentile will be accepted as obese. After, the basal gastric volume will be calculated with the help of Ultrasonography (USG). The children will receive oral 3 mL/kg(max 250 mL) 5% dextrose .USG evaluation will be made every 5 minutes until the gastric volume reaches the basal level. Children reaching basal gastric volume will be accepted as suitable for the surgery. The aim of this study is to compare the gastric volume and gastric emptying time after ingestion of 3 mL/kg clear fluid in obese and non-obese pediatric patients in the pre-operative period.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Obese pediatric patient | Experimental | Obese children aged 6-14 years, over 95% percentile, fasted for the night before planned surgery. |
|
| Non-obese pediatric patient | Active Comparator | Non-obese children aged 6-14 years, between 5-85% percentile, fasted for the night before planned surgery. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 5% Dextrose | Drug | All the patients will receive oral 3mL/kg 5%Dextrose |
|
| Measure | Description | Time Frame |
|---|---|---|
| Gastric emptying time | Time until the gastric volume reaches the baseline level again. | 90 minute |
| Measure | Description | Time Frame |
|---|---|---|
| Antral cross-sectional area | Antral cross-Section Area (ACSA) (cm2) maximal anteroposterior diameter (D1) and longitudinal diameter (D2) will be measured with ultrasound and calculated with that mathematical formula: ACSA(cm2) = Π x D1 x D2 / 4 | 90 minute |
| Measure | Description | Time Frame |
|---|---|---|
| Gastric emptying half-time ( t 1/2) | Time required for ACSA to return to half maximum value. | 90 minute |
| Gastric volume | The mathematical model will be used which was reported by Perlas and colleagues based on gastroscopic fluid assessment will be used for the calculation of gastric volume (mL) from ACSA. GastricVolume(mL) = 27.0 + 14.6 x ACSA(cm2) -1.28 x Age(years) |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Muhammet Korkusuz, MD | Karaman Training and Research Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Karaman Taining and Research Hospital | Karaman | 70200 | Turkey (Türkiye) |
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| ID | Term |
|---|---|
| D005947 | Glucose |
| ID | Term |
|---|---|
| D006601 | Hexoses |
| D009005 | Monosaccharides |
| D000073893 | Sugars |
| D002241 | Carbohydrates |
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Pediatric patients will be divided into two groups as obese and non-obese. Children above the 95% percentile will be considered as obese.
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| 90 minute |