BACKGROUND: Although preoperative fluid intake 2 hours before anesthesia is generally
considered safe, there are concerns about delayed gastric emptying in obese subjects. In …

BACKGROUND: Preoperative administration of clear fluids by mouth has recently been
endorsed as a way to improve postoperative outcomes. A carbohydrate-containing …

Background: International guidelines allow healthy patients to drink clear liquid up to 2 h
before general anesthesia. Recently, MRI measurements have been used for tracking …

Background Previous studies demonstrated conflicting results regarding the determinants of
gastric emptying for fluids. Our aim was to compare gastric emptying times of fluids with …

BACKGROUND AND AIMS: Preoperative starvation has many undesirable effects but the
minimum length of fasting is limited by gastric emptying, which may be dependent on …

Methods: We randomised 90 adult patients planned for elective cancer surgery, with no risk
factors for delayed gastric emptying, to receive 200 mL of water, clear apple juice or apple …

Background Gastric fluid plays a key role in food digestion and drug dissolution, therefore,
the amount of gastric fluid present in a fasted state may influence subsequent digestion and …

Objectives: Power exponential equation (PE) of Elashoff et al. is the standard model used to
describe gastric emptying (GE) patterns of normalized volume data. PE is constrained to a …

Background: Intake of clear liquids 2 h preoperatively is recommended by many
anesthesiology societies. A novel carbohydrate-rich drink (CHO) has been developed for …

Background Current guidelines recommend preoperative fasting of 2 h for clear fluids, which
is often exceeded in routine clinical practice. Existing data on residual gastric volumes in …