Energy Expenditure in Children With Severe Head Injury: Lack of Agreement Between Measured and Estimated Energy Expenditure

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Abstract
Background: The purpose of this study was to test the hypotheses that estimates of resting energy expenditure (REE) vary significantly from measured energy expenditure in a population of head‐injured children and are not accurate for use in determining nutrition needs in this population. Methods: This is a retrospective study of 30 children with severe head injury, with Glasgow Coma Scale (GCS) score of 10%. Significant disagreement between estimated REE and measured REE was demonstrated using the Bland‐Altman method. There was no correlation between severity of illness and measured REE to explain the inaccuracies of REE estimates. Conclusion: Energy expenditure in critically ill children cannot be estimated accurately; hence, nutrition for critically ill children with head injury should be provided according to measurement of REE to avoid the consequences of overfeeding or malnutrition.

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