Indications and application of enteral nutrition (EN) |
All patients who are not expected to be on a full oral diet within three days. |
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The expert committee recommends that haemodynamically stable critically ill patients who have a functioning gastrointestinal tract should be fed early (<24 h) using an appropriate amount of nutrition. |
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Exogenous energy supply (kcal): |
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• 20–25 kcal/kg body weight/day during the acute and initial phase of critical illness. |
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• 25–30 kcal/kg body weight/day during the anabolic recovery phase, |
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Consider parenteral administration of metoclopramide or erythromycin in patients with intolerance to enteral feeding (e.g. with high gastric residuals). |
Route of administration |
Use EN in all patients who can be fed via the enteral route. |
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There is no significant difference in the efficacy of jejunal versus gastric feeding in critically ill patients. |
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Avoid additional parenteral nutrition in patients who tolerate EN and can be fed to the target values. |
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Consider careful parenteral nutrition in patients intolerant to EN. |
Type of formula |
Whole protein formulae are appropriate in most patients, since peptide-based formulae have not shown clinical advantages. |
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"Immunonutrition": |
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Glutamine should be added to standard enteral formula in all trauma patients and burn patients. |
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Formulae enriched with nucleotides and fatty acids are superior to standard enteral formulae in trauma patients, patients with ARDS, and patients with mild, but not severe, sepsis (APACHE II score < 15) |
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Patients with very severe illness who do not tolerate more than 700 ml enteral formulae per day should not receive an immune-modulating formula. |