Critical care nutritioin

Question 1

causes of mucosal atrophy

Answer 1

starvation, bowel rest ( NPO), parenteral nutrition, not enough glutamine

Question 2

If someone is hemodynamically unstable what can happen to the GI system

Answer 2

decreased oxygen supple can cause ischemia resulting in death to the villi

Question 3

When should EN be held in the ICU

Answer 3

during hypoperfusion to the gut, decreased peristalsis, hemodynamic instability and the addition of new or higher amounts of vasopressors

Question 4

Feeding enterally during hemodynamic instability can lead to

Answer 4

gut ischemia and death

Question 5

a concept relevant to critically ill patients who don’t tolerate nutrition, especially PN, intended to decrease complications of PN delivery by providing only 80% estimated energy needs until the patient’s condition improves is called

Answer 5

permissive underfeeding

Question 6

this type of feeding is used in EN/PN for obesity patients to meet protein needs but provide less calories with BMI > 30 unless eight loss is not intended

Answer 6

hypocaloric feeding

Question 7

what criteria should be met to start PN in the ICU

Answer 7

malnourished at baseline, not able to reliably ingest/absorb significant nutrition in 7-10 days, adequate resuscitation from any hemodynamic compromise, hemodynamically stable with paralytic ileus, acute GIB, or complete bowel obstruction, supplemental when EN doesn’t provide enough