Document Detail

Measurement of resting energy expenditure in infants.
MedLine Citation:
PMID:  15228567     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The method for measurement of basal metabolic rate (BMR) using indirect calorimetry in adults is well established but is impractical in infants. METHODS: In this prospective study energy expenditure was measured using indirect calorimetry in 14 infants when sleeping and when lying quietly awake. RESULTS: Sleeping metabolic rate (SMR) was lower than energy expenditure (EE) measured in the same infants in a quiet resting state (mean difference [SD]: 297 [162] kJ/d; P < 0.005; 55 [33.4] kJ/kg per day; P < 0.005). The correlation within individuals suggests that these differences are related to the level of arousal. Awake EE, but not SMR, was significantly greater than estimated BMR using the FAO/WHO/UNU predictive equation. CONCLUSIONS: In infants, the level of arousal during measurement of EE can significantly impact on the interpretation of EE results. A standardized method for the measurement of EE in infants using indirect calorimetry is proposed.
J E Bines; H D Truby
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of paediatrics and child health     Volume:  40     ISSN:  1034-4810     ISO Abbreviation:  J Paediatr Child Health     Publication Date:  2004 Jul 
Date Detail:
Created Date:  2004-07-01     Completed Date:  2004-09-24     Revised Date:  2007-09-24    
Medline Journal Info:
Nlm Unique ID:  9005421     Medline TA:  J Paediatr Child Health     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  380-3     Citation Subset:  IM    
Gastroenterology and Clinical Nutrition, Royal Children's Hospital, Paediatrics, University of Melbourne, Melbourne, Victoria, Australia.
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MeSH Terms
Basal Metabolism*
Calorimetry, Indirect / methods*
Cystic Fibrosis / metabolism*
Oxygen Consumption
Prospective Studies

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