Ultrasound Assessment for Comparison of Gastric Residual Volume After Ingestion of Carbohydrate Drink and Water in Obesity Class II and III Volunteers at Risk of Aspiration

Ultrasound Assessment for Comparison of Gastric Residual Volume After Ingestion of Carbohydrate Drink and Water in Obesity Class II and III Volunteers at Risk of Aspiration: A Randomized Crossover Study

The goal of this clinical trial is to compare gastric residual volume between drinking a carbohydrate drink and water in obesity class II and III volunteers at risk of aspiration.

Inclusion Criteria:

• BMI ≥ 35 kg/m2 (obesity class II and III)
• Gastroesophageal reflux disease and/or active gastroesophageal reflux symptoms in 6 months (heartburn and/or acid regurgitation)
• ASA status I-III
• NPO for 8 hours before the study

Exclusion Criteria:

• Chronic kidney disease or End-stage renal disease
• Diabetes Mellitus
• Use of any medication that affects gastric secretion or emptying within the past 24-hour
• Pregnancy
• History of major upper gastrointestinal surgery
• Allergy to ultrasound gel