Energy expenditure and energy intake – Guidelines on Parenteral Nutrition, Chapter 3

G. Kreymann, M. Adolph, M. J. Mueller & Working Group For Developing The Guidelines For Parenteral Nutrition Of The German Association For Nutritional Medicine
The energy expenditure (24h total energy expenditure, TEE) of a healthy individual or a patient is a vital reference point for nutritional therapy to maintain body mass. TEE is usually determined by measuring resting energy expenditure (REE) by indirect calorimetry or by estimation with the help of formulae like the formula of Harris and Benedict with an accuracy of ±20%. Further components of TEE (PAL, DIT) are estimated afterwards. TEE in intensive care patients is...