March 29, 2008
- Occurs in >80% HIV patients
- Candida albicans-most common fungus-causes anorexia/dysphagia
- Psychological depression
- Delayed stomach emptying-ANS effects
- Esophageal ulcers may discourage swallowing-viral/bacterial
- Infiltrating masses-Kaposi’s sarcoma
Total small bowel disease
- Frequently caused by parasites.
- 4-8 bowel movements/day. Patients will stop eating to decrease bowel movements.
- Rx:
- Short term parenteral nutrition
- Next, minimal (5%) fat, lactose-free diet to stimulate gut function (Elemental enteral diet);
- Monitor serum albumin; adjust nitrogen
- Short term parenteral nutrition
Partial small bowel disease
- Intermittent diarrhea
- Fluid, electrolyte, B12 losses
- Sometimes only terminal ileum involved like Crohn’s disease
- Rx:
- Small, frequent feedings
- Low fat, low lactose, caffeine-free
- Elemental diet may be needed if steatorrhea present
- Small, frequent feedings
Large bowel disease
- Generalized inflammatory disorder
- Causes rapid wasting, when chronic
- Eating avoidance common
- May be caused by virus, bacteria, parasite or neoplasm
- Rx:
- Small, frequent feedings
- Low in fiber, residue, lactose, fat, caffeine-to reduce bowel movements
- Small, frequent feedings