Probing the future - Can gastric ultrasound herald a change in perioperative fasting guidelines?

[6],[7] The American Society of Anesthesiologists' guidelines for healthy adults (not associated with conditions that delay gastric emptying or increase gastric volume) consider a minimum fasting duration of 2 h for clear fluids, 6 h for a light meal and 8 h for a fatty meal, fried foods or mea...

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Bibliographic Details
Published in:Indian journal of anaesthesia 2018-10, Vol.62 (10), p.735-737
Main Authors: Umesh, Goneppanavar, Tejesh, C
Format: Article
Language:English
Subjects:
Airway management
Analysis
Anesthesia
Fasting
Gastric juice
Patients
Risk factors
Ultrasonic imaging
Ultrasound imaging
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Summary:[6],[7] The American Society of Anesthesiologists' guidelines for healthy adults (not associated with conditions that delay gastric emptying or increase gastric volume) consider a minimum fasting duration of 2 h for clear fluids, 6 h for a light meal and 8 h for a fatty meal, fried foods or meat to be safe. [17],[18] These articles re-emphasise that the presence of associated risk factors for aspiration such as diabetes mellitus, chronic kidney disease, reflux gastro-oesophageal disease etc., contributes to delayed gastric emptying and increased residual gastric volume. With so much focus and hope on future studies involving GUS, what should be our current stance on GUS and fasting status? Since pulmonary aspiration is an interplay of various factors, even though GUS is undoubtedly a stellar tool, its role currently appears limited to assessing gastric content.
ISSN:0019-5049
0976-2817
DOI:10.4103/ija.IJA_669_18