NPO time for bowel prep?

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kidthor

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  1. Attending Physician
What do you all use as your NPO time for bowel prep agents (golytely, moviprep, miralax)?

We have some internal debate where I work with some going for 2 hours and others wanting longer. I'm torn because aspiration of PEG is extremely hazardous even though PEG plus fluids otherwise seems consistent with clear fluid... also noting the volume ingested is usually much higher than normal clears.
 
What do you all use as your NPO time for bowel prep agents (golytely, moviprep, miralax)?

We have some internal debate where I work with some going for 2 hours and others wanting longer. I'm torn because aspiration of PEG is extremely hazardous even though PEG plus fluids otherwise seems consistent with clear fluid... also noting the volume ingested is usually much higher than normal clears.
Wouldn't it be considered clear liquids?
 
If you take your bowel prep agent 2 hours before your colonoscopy you are going to be actively pooping yourself in Preop.
 
My anecdotal experience with gastric pocus is that I rarely see elevated gastric volume on a bowel prep pt. Even with those on a glp1 agonist held for a week or other risk factors like documented gastroparesis from long standing diabetes, its rare. In concordance with ASA guidelines and my own experience, > or = 2 hours is appropriate.
 
What do you all use as your NPO time for bowel prep agents (golytely, moviprep, miralax)?

We have some internal debate where I work with some going for 2 hours and others wanting longer. I'm torn because aspiration of PEG is extremely hazardous even though PEG plus fluids otherwise seems consistent with clear fluid... also noting the volume ingested is usually much higher than normal clears.
Yeah, they really should be finishing that stuff four hours before the procedure or more. I mean, let’s say their procedure is scheduled at 7:30. They’re gonna be leaving the house at 5 AM so it just doesn’t make a lot of sense that they would be taking it that close to the procedure.

PEG aspiration would not be great.

I’d go with four hours.
 
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