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Artificial Nutrition at Old Age

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Encyclopedia of Gerontology and Population Aging

Synonyms

Artificial feeding; Enteral nutrition (EN); Nutrient delivery; Nutrition therapy; Parenteral nutrition (PN); Percutaneous endoscopic gastrostomy (PEG)

Definition

Any method of nutrient delivery, not using the oral route, is defined as artificial nutrition. In general, delivery via the gastrointestinal tract, i.e., enteral nutrition (EN) and via venous blood vessels, i.e., parenteral nutrition (PN) can be differentiated. Fluids and rarely small amounts of other nutrients are sometimes delivered via the subcutaneous route, which is also classified as parenteral nutrition. The procedure of placement of an enteral or parenteral access should be differentiated from the delivery of nutrients via the respective access. Both components of artificial nutrition have different risks and complications. Artificial nutrition may be performed as a short-time (<4 weeks) or long-term intervention. The artificial delivery of nutrients may be supplemental, i.e., in addition to oral or food...

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Correspondence to Rainer Wirth .

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Wirth, ., Volkert, D. (2019). Artificial Nutrition at Old Age. In: Gu, D., Dupre, M. (eds) Encyclopedia of Gerontology and Population Aging. Springer, Cham. https://doi.org/10.1007/978-3-319-69892-2_117-1

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  • DOI: https://doi.org/10.1007/978-3-319-69892-2_117-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-69892-2

  • Online ISBN: 978-3-319-69892-2

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