Nutritional physiology of the critically ill patient

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Nutritional physiology refers to the role of food and nutrition in the function of the body. In the critically ill patient there are numerous points at which nutrition affects function, since all fuels, tissues, and mediators ultimately arise from the food consumed by the individual. There are now evidence-based guidelines for the provision of nutrition support in the critically ill patient. Several actions related to feeding improve outcomes such as infection rate, days on mechanical ventilation, days in the critical care unit, and mortality. These actions include the provision of early enteral nutrition, use of tube feedings supplemented with n-3 fatty acids and antioxidants, and reaching minimum targets for energy and protein intake. The minimum target range is an area of debate currently. This chapter will focus on energy balance, protein and nitrogen balance, and the macronutrient requirements of critically ill patients compared to normal. The potential role of nutrients to modulate inflammatory injury in the critically ill patient will also be examined.

Original languageEnglish (US)
Title of host publicationNutrition in Critical Care
PublisherCambridge University Press
Pages1-12
Number of pages12
ISBN (Electronic)9781139342452
ISBN (Print)9781107669017
DOIs
StatePublished - Jan 1 2014

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Nutritional Physiological Phenomena
Critical Illness
Enteral Nutrition
Food
Nutrition Policy
Omega-3 Fatty Acids
Critical Care
Energy Intake
Artificial Respiration
Proteins
Nitrogen
Antioxidants
Mortality
Wounds and Injuries
Infection

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Frankenfield, D. (2014). Nutritional physiology of the critically ill patient. In Nutrition in Critical Care (pp. 1-12). Cambridge University Press. https://doi.org/10.1017/CBO9781139342452.002
Frankenfield, David. / Nutritional physiology of the critically ill patient. Nutrition in Critical Care. Cambridge University Press, 2014. pp. 1-12
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Frankenfield, D 2014, Nutritional physiology of the critically ill patient. in Nutrition in Critical Care. Cambridge University Press, pp. 1-12. https://doi.org/10.1017/CBO9781139342452.002

Nutritional physiology of the critically ill patient. / Frankenfield, David.

Nutrition in Critical Care. Cambridge University Press, 2014. p. 1-12.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Frankenfield D. Nutritional physiology of the critically ill patient. In Nutrition in Critical Care. Cambridge University Press. 2014. p. 1-12 https://doi.org/10.1017/CBO9781139342452.002