Nutrition Case

Question 1

Short bowel syndrome

Answer 1

2 metres or less from duodenojejunal flexure

Question 2

Critical lengths

Answer 2

Less than 100cm jejunum - long term IV fluid and electrolyte
Less than 75cm jejunum - long term PN, fluid and electrolyte
Less than 50cm jejunum + colon - long term PN, fluid and electrolyte

Question 3

Oral fluid to prevent dehydration and electrolyte imbalance

Answer 3

Decrease oral fluids
Hypotonic fluids of less than 90 mmol sodium pull sodium and hence water into lumen leading to high stoma output
Hypertonic fluid induce secretion from enterocytes to dilute luminal content which also leads to high stoma output

Question 4

High fat diet for no colon

Answer 4

Hyperphagic diet

Question 5

Urinary sodium value that indicates dehydration

Answer 5

Less than 20mmol/L