Refeeding syndrome: relevance for the critically ill patient.

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Refeeding syndrome: relevance for the critically ill patient.

Curr Opin Crit Care. 2018 Jun 08;:

Authors: Boot R, Koekkoek KWAC, van Zanten ARH

PURPOSE OF REVIEW: To provide an overview of recent findings concerning refeeding syndrome (RFS) among critically ill patients and recommendations for daily practice.
RECENT FINDINGS: Recent literature shows that RFS is common among critically ill ventilated patients. Usual risk factors for non-ICU patients addressed on ICU admission do not identify patients developing RFS. A marked drop of phosphate levels (>0.16 mmol/l) from normal levels within 72 h of commencement of feeding, selects patients that benefit from hypocaloric or restricted caloric intake for at least 48 h resulting in lower long-term mortality.
SUMMARY: RFS is a potentially life-threatening condition induced by initiation of feeding after a period of starvation. Although a uniform definition is lacking, most definitions comprise a complex constellation of laboratory markers (i.e. hypophosphatemia, hypokalemia, hypomagnesemia) or clinical symptoms, including cardiac and pulmonary failure. Recent studies show that low caloric intake results in lower mortality rates in critically ill RFS patients compared with RFS patients on full nutritional support. Therefore, standard monitoring of RFS-markers (especially serum phosphate) and caloric restriction when RFS is diagnosed should be considered. Furthermore, standard therapy with thiamin and electrolyte supplementation is essential.

PMID: 29901461 [PubMed - as supplied by publisher]

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