Fasting Requirements for ERCP

Standard Fasting Protocol

The American Society of Anesthesiologists recommends that patients fast for a minimum of 6 hours from solid foods/light meals and may consume clear liquids up to 2 hours before the procedure for elective ERCP procedures 1, 2
Clear liquids, including water, fruit juices without pulp, carbonated beverages, clear tea, and black coffee, may be consumed up to 2 hours before ERCP 2, 4
Clear fluids empty the stomach within 60-90 minutes, making prolonged fasting unnecessary 4
Light meals, such as toast and clear liquids, require 6 hours of fasting 1, 2
Fried or fatty foods require 8 hours or more of fasting due to prolonged gastric emptying 1, 2

The American College of Gastroenterology classifies ERCP as a complex endoscopic procedure that may require assistance from an anesthesia specialist for certain patient populations, including ASA class IV and V patients, patients with history of adverse reactions to sedation, patients with alcohol or substance abuse history, and patients with inadequate response to moderate sedation 5
The American Society of Anesthesiologists recommends following standard fasting guidelines for elective ERCP, as it carries specific risks including pancreatitis, perforation, and sepsis 1, 2

Patients with gastroesophageal reflux disease or known delayed gastric emptying may require longer fasting periods than standard recommendations 3, 4
The standard 2-hour clear liquid/6-hour solid food guideline provides an appropriate balance between patient comfort and safety, with a low incidence of clinically significant aspiration during elective procedures 1, 2, 4, 5
Preoperative carbohydrate treatment, such as carbohydrate drinks, may be given to patients to reduce perioperative discomfort without increasing aspiration risk 4