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Parenteral nutrition: Peripheral or central vein?

Parenteral nutrition therapy can be given through a peripheral or central venous access device. Use a peripheral vein if the patient has:
  • interrupted enteral intake, but can resume enteral feedings in 5 to 7 days
  • mild-to-moderate malnutrition for which supplements are needed for enteral feedings
  • normal or mildly elevated metabolic rate
  • no fluid restrictions
  • suitable peripheral veins available.
Use a central vein if the patient has:
  • an inability to tolerate enteral intake for more than 7 days
  • moderate-to-severe malnutrition that can't be corrected with enteral feedings
  • restricted fluid intake
  • poor or inaccessible peripheral veins
  • a readily accessible central vein.
     
   

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