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The refeeding syndrome; easily overlooked as a cause of delirium in psychiatric and medical intensive care

Published online by Cambridge University Press:  19 July 2012

Imre Krabbenbos ,
Peter Siegers  and
Peter Bruins
Imre Krabbenbos*
Affiliation:
Department of Anesthesiology, Intensive Care and Pain Medicine, St. Antonius Hospital Nieuwegein, The Netherlands
Peter Siegers
Affiliation:
Department of Neurology, St. Antonius Hospital Nieuwegein, The Netherlands
Peter Bruins
Affiliation:
Department of Anesthesiology, Intensive Care and Pain Medicine, St. Antonius Hospital Nieuwegein, The Netherlands
*
Correspondence to: Dr I.P. Krabbenbos, Department of Anesthesiology, Intensive Care and Pain Medicine, St. Antonius Hospital Nieuwegein, Koekoekslaan 1, 3435 CM Nieuwegein. E-mail: i.krabbenbos@antoniusziekenhuis.nl
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Abstract

Background

Delirium is a severe and complex neuropsychiatric disorder and because of its diverse aetiology is often poorly managed. The refeeding syndrome is a well known cause of delirium, characterized by metabolic disturbances elicited during reintroduction of nutrition after a period of starvation. Although a common complication, it is often not recognized by clinicians.

Case

A 53-year-old man presented at the emergency department with psychomotor agitation, irritability and disorientation in time. Apart from previous alcohol abuse he had no documented medical history. Examination led to detection of an intracranial haemorrhage, which could explain cognitive dysfunction. After admission, his level of consciousness gradually improved and he resumed eating and drinking. However, a deterioration of his mental status occurred after three days.

Blood analysis revealed a severe hypophosphataemia indicating refeeding syndrome. After a new dietary regimen and aggressive supplementation of electrolytes his mental state improved rapidly. Following correction of phosphate plasma concentration, no further episodes of severe confusion or disorientation were observed.

Conclusions

This case report illustrates that clinicians in both psychiatric and general intensive care must be aware of the numerous causes of delirium that can be present concurrently. Refeeding syndrome may be overlooked initially when more alarming causes of a delirium are noticed.

Keywords

Hypophosphataemiarefeeding syndromedeliriumcerebrovascular incident
Type
Case Report
Information
Journal of Psychiatric Intensive Care , Volume 9 , Issue 2 , August 2013 , pp. 119 - 123
Copyright
Copyright © NAPICU 2012 

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