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Etiology and Complications of Refeeding Syndrome in the ICU

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Diet and Nutrition in Critical Care

Abstract

Refeeding syndrome is a group of electrolytic and metabolic disturbances that may occur as a result of nutritional support (oral, enteral, or parenteral), in severe malnourished patients. The syndrome was first described at the end of the Second World War and gained importance during the development of artificial nutrition. It is characterized by electrolyte disorders (hypophosphatemia, hypomagnesemia, and hypokalemia due to the movement of phosphate, magnesium, and potassium to the intracellular medium) and volume disbalance (water and sodium retention) mediated by insulin secretion during the reinstitution of nutrition. It can also appear as acute thiamine fall. The identification of patients at risk for developing refeeding syndrome should be a priority, in order to adjust the initial inputs of water, energy, electrolytes, and micronutrients.

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Abbreviations

ICU:

Intensive care unit

RS:

Refeeding syndrome

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Correspondence to José Joaquín Alfaro Martínez .

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Alfaro Martínez, J.J., Huguet Moreno, I., Botella Romero, F., Hernández López, A. (2015). Etiology and Complications of Refeeding Syndrome in the ICU. In: Rajendram, R., Preedy, V.R., Patel, V.B. (eds) Diet and Nutrition in Critical Care. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7836-2_22

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  • DOI: https://doi.org/10.1007/978-1-4614-7836-2_22

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