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Published 8 July 2008, doi:10.1136/bmj.a680
Cite this as: BMJ 2008;337:a680
| The first 150 words of the full text of this article appear below. |
Any discussion on the risks of the refeeding syndrome should include the increased threat of infection that may often be silent in malnutrition.1 Malnourished patients may develop infection without showing the usual septic markers—such as an increased temperature, leucocyte count, or C reactive protein. We therefore advocate septic screening and a low threshold for broad spectrum antibiotic cover for any patients with unexplained hypothermia, hypoglycaemia, and evidence of malnutrition.
Patients at high risk of the syndrome may also be at risk of acute renal failure, which may be missed as they have only slightly raised urea and creatinine measurements because of low muscle mass, leading to low production of these metabolites. When this occurs, renal dysfunction may hide low serum and total body electrolyte concentrations, and hence serum potassium, magnesium, and phosphate may be reassuringly normal or even high. They are at even greater risk of precipitate falls in these
Aminda De Silva, specialist registrar gastroenterology and clinical nutrition1, Trevor Smith, consultant gastroenterologist2, Mike Stroud, consultant gastroenterologist1
1 Southampton University Hospital NHS Trust, Southampton SO16 6YD, 2 Royal Bournemouth Hospital, Bournemouth, Dorset BH7 7DW
aminda@doctors.org.uk