PHRM 221 Lecture Notes - Lecture 21: Inflammatory Bowel Disease, Bowel Resection, Transferrin
Document Summary
Week 21: total parenteral nutrition (tpn) 1 (part 1) Learning objectives: to understand when tpn should be initiated, to be able to assess a tpn formula, macronutrients (carbohydrate, protein, fat, micronutrients (electrolytes, vitamins, trace elements) Within 1-3 days if severely malnourished with non-functioning git (i. e. cannot feed enterally) Use ibw as the basis of calculations unless. 50 kg + (2. 3 x in over 5 ft) or 50 kg + 0. 9 (ht in cm - 152) 45 kg + (2. 3 x in over 5 ft) or 45 kg + 0. 9 (ht in cm - 152: tbw > 20% ibw, tbw < ibw. 66 + (13. 7 x wt) + (5 x ht) - (6. 8 x a) 665 + (9. 6 x wt) + (1. 7 x ht) - (4. 7 x a) Synthesis and storage of fat (fatty liver, abnormal lfts - ast, alt x2-3 weeks) Higher phytosterol (plant cholesterol) content associated with cholestasis.
