DIET 4360 Lecture Notes - Lecture 15: Peripherally Inserted Central Catheter, Short Bowel Syndrome, Superior Vena Cava
Document Summary
Parenteral nutrition: provision of nutrients intravenously directly into blood stream. Reserved for nonfunctional or severely diminished small bowel. Conditions requiring pn: gi incompetence, short bowel syndrome w/ major resection, severe acute pancreatitis, severe. Cpn (central parenteral nutrition): catheter in large, high-blood-flow vein (superior vena cava: short-term central: percutaneous non-tunneled catheters, long-term central: peripherally inserted central catheter (picc, best. Inflammation of wall of vein with associated thrombosis (blood clotting: k+ may cause vein inflammation. Tpn solution osmolarity calculation: aas: grams x 10, dextrose: grams x 5, 20% ivfe: grams x 1. 5. Intravenous fat emulsion: electrolytes: grams x 1, all added up to the pn osmolarity in mosm. 4-5 mg/kg/min in the critically ill: babies can get up to 14 mg/kg/min, peds can get up to 10 mg/kg/min, adults only 5-6 mg/kg/min, electrolytes: use of acetate or chloride forms can affect acid-base balance, vitamins.
