Why the study?
Does reducing the fast of clear fluids to 1 hour increase residual gastric volume in adult patients scheduled for elective gastroscopy?
Population
181 adult patients scheduled for elective gastroscopy at three sites without risk factors for delayed…
Comparison
200 ml of water 40-75 minutes before anesthesia. vs 200 ml of water 80-150 minutes before anesthesia.
Design
RCT, Randomized, stratified to current proton pump and antacid therapy.
Follow-up
Intraoperative
Authors
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Supports shortening clear fluid fasting to 1 hour before elective gastroscopy; extends RCT evidence for liberalized preoperative protocols.
Does reducing the fast of clear fluids to 1 hour increase residual gastric volume in adult patients scheduled for elective gastroscopy?
Reducing clear fluid fasting time to approximately 1 hour before general anesthesia for gastroscopy does not significantly affect residual gastric volume or pH compared to standard fasting times.
Ken Hui Yee Sudanshu Agarwal (2014) studied this question.
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