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This does sound like a challenging case. There are a couple considerations that you allude to in your note.
First would be a consideration of the anatomy and whether there is an opportunity to establish enteral access and start at least some GI feeding. This would get around some of the issues and be good for the gut. Along that line is the issue of protein loss from the open abdomen. This may not be as much as you think and therefore you may not need to deliver 2g/kg/d.
You mention the patient is on minimal settings on the vent which would usually imply that there is no longer a need for deep sedation and therefore an opportunity to stop sedation including the propofol.
Overall I would be concerned that the patient may be getting more calories than they are able to utilize (even without IC) and reducing lipid delivery would certainly be a good first step. I too think that the higher TG levels may be a reflection of the inflamed state and the patient is just not able to metabolize the lipids regardless of the type being used. I don’t think there is much risk in having mildly elevated TG levels as you describe but there is no advantage in delivering lipids that are not being used for energy. As a result you may be able to stop lipids for a while and restart in a few days giving them intermittently.
Respectfully,
John W. Drover, MD, FRCSC, FACS, CCPE
Professor
Departments of Critical Care Medicine and Surgery
Queen’s University
Critical Care Physician Lead, South East LHIN
Kingston General Hospital
Davies 2
76 Stuart Street
Kingston, Ontario
Canada
K7L 2V7
Phone 613-549-6666 ext 6336
Fax 613-548-1325
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Dr. Corilee Watters, MSc, RD, PhD, CNSC
Asst. Professor Nutrition, University of Hawaii
Department of Human Nutrition, Food and Animal Science
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