Priority 21 from the Anaesthesia (Canada) PSP

UNCERTAINTY: What is the evidence for eating and drinking before receiving anesthesia for surgery? (JLA PSP Priority 21)
Overall ranking 21
JLA question ID 0084/21
Explanatory note

This question asks about what and when patients can eat and drink before surgery. Respondents wanted to know about what evidence there is for current practice and what is best for patients' comfort.


No systematic reviews identified

Health Research Classification System category  Generic health relevance
Extra information provided by this PSP
Original uncertainty examples Why are all patients told to fast at midnight before having surgery even though the surgery time may be quite different such at 8am or 1pm?  What is the minimum amount of time to fast pre general anesthesia? ~ Is carbohydrate loading preoperatively actually of benefit for all patients, or just those having extended periods of fasting postoperatively?
Submitted by Healthcare providers, caregivers, patients
PSP information
PSP unique ID 0084
PSP name Anesthesia (Canada)
Total number of uncertainties identified by this PSP. 49  (To see a full list of all uncertainties identified, please see the detailed spreadsheet held on the JLA website)
Date of priority setting workshop 15 May 2019