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Table 1 Benefits and risks of parenteral and enteral nutrition.

From: Parenteral nutrition: never say never

  Parenteral nutrition Enteral nutrition
Benefits • Can be administered regardless of gut function • Preserves gut mucosa and function
  • Composition of formula can be modified according to patient needs • More physiologic, less invasive
Risks • Invasive procedure needed for administration • Gut function limits rate and amount of administration
  • Greater risk of hyperglycemia and overfeeding • Difficult to modify composition of formula