LGI large intestine Flashcards
chronic, recurring abdominal discomfort/pain and altered bowel habits
Irritable Bowel Syndrome (IBS)
IBS is ____% of the US population
more common in _____ gender
usually develops around age _____
10-20%
women
~20
cause of IBS?
IBS is increased intestinal ______ and ______ in response to GI and environmental stimuli
unknown
sensitivity and motility
exaggerated IBS response to
- psychosocial factors
- GI distention
- Dietary factors
symptoms of IBS include…
- abdominal discomfort or pain that is ________
- chronic _____, ______, or both
- abdominal _____ and ____
- sensation of ________ of stool
- _____ pain
- Increased GI distress associated with ______ issues
relieved by defecation
diarrhea, constipation
bloating and gas cramps
incomplete evacuation of stool
rectal pain
psychosocial
constipation predominant IBS
IBS-C
diarrhea predominant IBS
IBS-D
mixed constipation and diarrhea IBS
IBS-M
medical management of IBS
antidepressants (nortriptyline, citalopram)
serotonin type 3 receptor antagonists (e.g., alosetron)
anticholinergic agents (e.g., dicyclomine)
loperamide, osmotic laxatives
Stress reduction techniques
Traditional MNT for IBS
Avoid consuming _________
Eat on a regular ________
Limit _________
Avoid excess dietary _____
Limit __________
Reduced _______ if lactose intolerant
Adequate fluid intake (______ L/day)
Omit gas-forming foods- if not tolerated
Avoid consuming large meals
Eat on a regular schedule
Limit caffeine
Avoid excess dietary fat
Limit sorbitol, xylitol, & mannitol
Reduced lactose if lactose intolerant
Adequate fluid intake (2 L/day)
Omit gas-forming foods- if not tolerated
Newer Evidence Based MNT for IBS
low FODMAPs Diet
low FODMAP diet is
diet lower in fermentable oligo
di
monosaccharides
and polyols (sugar alcohols)
FODMAPs are poorly absorbed in the _______, are highly ______, and rapidly ________
small intestine
osmotic
fermented by bacteria
for FODMAPs, avoid foods that contain ____ in excess of glucose.
Limit the amount of _____ at every meal
if lactose intolerant, avoid lactose foods
avoid fermentable carbohydrates and polyols
fructose
fructose
foods with excess fructose
apples
pears
peaches
mango
sugar snap peas
watermelon
canned fruit in natural juice
dried fruit
fruit juice
honey
HFCS