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Nutr Clin Pract. 2019 Feb;34(1):96-111. doi: 10.1002/ncp.10214. Epub 2018 Nov 23.

Determination of Nutrition Risk and Status in Critically Ill Patients: What Are Our Considerations?

Author information

1
Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia.
2
Department of Anesthesiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
3
Department of Critical Care Medicine, Queen's University and Clinical Evaluation Research Unit, Kingston General Hospital, Kingston, Ontario, Canada.

Abstract

The stress catabolism state predisposes critically ill patients to a high risk of malnutrition. This, coupled with inadequate or delayed nutrition provision, will lead to further deterioration of nutrition status. Preexisting malnutrition and iatrogenic underfeeding are associated with increased risk of adverse complications. Therefore, accurate detection of patients who are malnourished and/or with high nutrition risk is important for timely and optimal nutrition intervention. Various tools have been developed for nutrition screening and assessment for hospitalized patients, but not all are studied or validated in critically ill populations. In this review article, we consider the pathophysiology of malnutrition in critical illness and the currently available literature to develop recommendations for nutrition screening and assessment. We suggest the use of the (modified) Nutrition Risk in the Critically Ill (mNUTRIC) for nutrition risk screening and the subjective global assessment (SGA) together with other criteria relevant to the critically ill patients, such as gastrointestinal function, risk of aspiration, determination of sarcopenia and frailty, and risk of refeeding syndrome for nutrition assessment. Further research is needed to identify suitable nutrition monitoring indicators to determine the response to the provision of nutrition.

KEYWORDS:

critical illness; inflammation; malnutrition; nutrition assessment; nutrition status; risk assessment; screening

PMID:
30468264
DOI:
10.1002/ncp.10214

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