FUNDAMENTALS OF NURSINGNUTRITION Parenteral Nutrition -aka Intravenous hyperalimentation or TPN -delivered through high pressured central veins (Subclavian veins) -dextrose, water, fats, proteins, electrolytes, vitamins and trace elements. -10% to 50% dextrose in water plus mixture of amino acids and vitamins, minerals and elements - Goal: To achieve anabolic state for those unable to maintain a normal nitrogen balance. Indications Severe malnutrition Severe burns Bowel disease disorders (Ulcerative colitis and enteric fistula) Acute renal failure Hepatic failure Metastatic cancer Major surgeries NPO for MORE THAN 5 DAYS Nursing Responsibilities: Infection control Surgical aseptic technique. Monitor fluid, electrolyte and glucose imbalances. Infuse the solution gradually to prevent hyperglycemia Wean gradually or slowly to prevent hyperinsulinemia or hypoglycemia (48 hours or 6 hours if given carbs orally or IV) Do not give IV meds and blood in the PN line Do not draw blood from the central venous access site. Blood studies done every other day or 3 times per week during PN Blood glucose monitoring every 4 hours. PN should be refrigerated and administered within 24 hours after preparation. When changing tubing or cap. Place on Trendelenburg and advise to perform Valsalva Clam tubing when not in use. NOTE! 1000 mL of 5% glucose contains 50 grams of sugar. Thus, a Liter of solution is less than 200 kcal. Before PN try Oral and NGT feeding. Cloudy and dark solutions are not used and returned to pharmacy. Additions of PN substances done at PHARMACY not nursing units. DO NOT give fat emulsification with those egg allergi WATCH OUT FOR Peripheral parenteral nutrition (PPN) -delivered into smaller peripheral veins -accommodate lipids -safe and convenient - given for short time nutrition or those inaccessible central veins. Goal: To prevent nutritional deficits than correct them. Disadvantage: Phlebitis Mngt: Dextrose is replaced with glycerol. NOTE! Fat emulsion is white and opaque. Fat globules and accumulation of froth in the solution is not given and must be returned to pharmacy.