W4L2 Consipation Flashcards
1
Q
Def
A
Frequency normal bowel movements is broad range from 3/d-3/w
2
Q
Rome III criteria: 2 of the below defines constipation
A
- Straining
- Lumpy Hard Stool
- Incomplete Evacuation
- Use Digital Maneuvers=digitation rectum &/ vagina(aid evacuation)
- Sensation of Anorectal Blockage
- <3 Bowel Movements /w
3
Q
Causes of constipation
A
- Poor diet & behavioral habits(MC):
- Low-fiber diet - Dec intake fluid
- Lack exercise - Ignoring urge
- Change routine (travel) - Structural abn
- Anal fissure -Cancer colon
- Colonic stricture -Hirschsprung’s dis
- Idiopathic megacolon - Systemic disease
- Endocrine: hypothyroidism, DM
- Metabolic: hypokalemia, hypercalcemia
- Neurologic: paraplegia, parkinson’s
- Others: amyloidosis, scleroderma - Medication
- Narcotic -Diuretic -CCB
- Fe & Ca supplement -AlOH(antacid)
4
Q
Refractory constipation
A
Pt wo identifiable coz & xrespond conservative dietary management
5
Q
2 categories refractory consti
A
- Colonic inertia(>72H, N=35H)
• CAUSES:
-Idiopathic -Psychogenic
-Chr intestinal pseudo-obs - Outlet disorder
- Rectocele -Perianal descent
- Rectal intussusception -Anismus
- Rectal prolapse -Solitary rectal ulcer syn
6
Q
APPROACH TO A PATIENT WITH CONSTIPATION
A
- Careful history:
- Symptom:
- painful bowel movements
- bloated -uncomfortable - Phy exam(PR)
7
Q
Investigation
A
- Stool test(occult bl)
- CBC, Ca, K, TSH, gluc
- Barium enema
- Colonoscopy/flexible sigmoidoscopy
- Measurement colonic transit time
- Defecography
- Anorectal manometry
8
Q
DIET & LIFESTYLE ADVICE
A
- Proper dietary fluid & fiber intake
- Apple/banana/d -7-8 glass water
- xrefine food -whole grain & nut
- high protein w water -xmeat - Become phy active
- Daily morning & evening walk(20-30m)
9
Q
Drugs
A
- Osmotic laxative(stool softners):
- lactulose, sorbitol, MgOH - Cathartic(stimulant)laxative:
- cascara, bisacodyl, castor oil, senna - Enemas:
- bysaline(non-irritate), tapwater(irritate), oil retention(hard stool) enema