Parenteral Nutrition
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| show | tube/catheter placed intravenously
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| show | -substances that dissociate into +/- charged ions
-extracellular: sodium/calcium/bicarb/chloride
Intracellular: potassium/magnesium/phosphate
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| Indications of Parenteral Nutrition Support | show 🗑
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| show | -Funtioning GIT
-Ethical contraindications
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| PN | show 🗑
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| CPN | show 🗑
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| TPN | show 🗑
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| show | Peripheral Parenteral Nutrition
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| show | defined by the position of the tip (NOT by the site of entry)
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| Components of PN | show 🗑
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| Non-tunneled central line | show 🗑
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| show | -non-tunneled central line
-Peripherally inserted central catheter
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| Peripherally Inserted Central Catheter (PICC) | show 🗑
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| show | -IV antibiotic therapy
-Blood
-Meds
-Chemo
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| What are the 2 types of long term CPN? | show 🗑
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| What is a tunneled catheter? | show 🗑
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| How do tunneled catheters decrease risk of infection? | show 🗑
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| What is an Implanted Port? | show 🗑
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| Peripheral Parenteral Nutrition | show 🗑
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| How often should you rotate the standard peripheral line? | show 🗑
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| show | -phlebitis
-phlebotomy
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| What is the CHO source for the typical PN solution? | show 🗑
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| show | 3.4 kcal/g
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| What are the typical concentrations of Dextrose stock solutions? | show 🗑
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| show | -D15 (15% dextrose) TO D35 (35% dextrose)
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| show | -5 mg/kg/min
-7 mg/kg/min may be tolerated in burns/trauma
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| what happens when the Maximum CHO load of typical PN solution is exceeded? | show 🗑
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| What is the typical ptotein source in a PN solution? | show 🗑
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| show | -may vary in concentration
-8.5% and 10% common
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| show | 40-50%
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| What % of standard Amino Acid solutions made of Non-essential Amino Acids? | show 🗑
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| How are Amino Acid compositions different for PN solutions for renal failure? | show 🗑
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| show | -increased Branched Chain Amino Acids
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| show | -safflower oil, soybean oil, or combo
-PLUS glycerol and lecithin
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| How much Essential Fatty acids are in the typical PN solution? | show 🗑
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| What is the caloric value of amino acids in TPN solution? | show 🗑
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| What are the most common concentrations of Amino Acids in a stock solution? | show 🗑
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| What is the minimum amount of CHO needed in a TPN solution to prevent endogenous glucose production? | show 🗑
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| show | 10 or 20%
-20% more common
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| show | -10 kcal/g
-additional kcal is from the glycerol backbone
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| what is the maximum amount of lipids that should be given in a TPN solution? | show 🗑
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| show | -fatty liver
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| What is the most common anion attached to Calcium as a standard additive of TPN solutions? | show 🗑
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| show | -prevents blood clots from forming
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| What is the benefit of adding pepcid to a TPN solution? | show 🗑
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| Why is iron not added to PN solutions? | show 🗑
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| show | -synthesized by random esterification of fatty acids onto a glycerol backbone
-Triglycerides are hydrolyzed, then re-esterified randomly into medium chain fatty acids
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| What is the benefit of medium chain fatty acids in a structured triglyceride PN formula? | show 🗑
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| what is the caloric value of medium chain fatty acids? | show 🗑
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| What are the long chain fatty acids found in structured triglyceride PN formulas? | show 🗑
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| show | -reduced nitrogen loss
-improved immune function
-reduced fatty infiltration of the liver
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| What are Olive Oil-based lipid emulsions? | show 🗑
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| What are Fish Oil lipid emulsions? | show 🗑
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| What is the benefit of using dipeptides containing glutamine for experimental PN solution? | show 🗑
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| What is the experimental evidence of benefits of Glutamine? | show 🗑
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| What is a "2-in-1" + lipids formulation? | show 🗑
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| What is a "Total Nutrient Admixture" (TNA) formulation? | show 🗑
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| show | ~650 mOsm/L to prevent phlebitis
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| show | can cause phlebitis
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| What are the advantages of peripheral parenteral nutrition? | show 🗑
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| show | -osmolarity and volume issues
-maintenance of access (standard IV)
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| What are the advantages of central parenteral nutrition? | show 🗑
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| show | -technical placement
-higher risks
-higher cost
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Created by:
kemplea
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