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American Journal of Clinical Nutrition, Vol 51, 958-962, Copyright © 1990 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Estimating resting energy expenditure by simple lean-body-mass indicators in children on total parenteral nutrition

JS Salas, E Moukarzel, E Dozio, OJ Goulet, G Putet and C Ricour
Unite de Reanimation Digestive et d'Assistance Nutritive, Hopital Necker, Paris, France.

The aim of this study was to determine simple predictive factors of the resting energy expenditure (REE) in children. Two groups, A (n = 14) and B (n = 23), were defined by their weight-for-height index, less than 90% and greater than 90%, respectively. Anthropometrically assessed lean body mass (LBM), 24-h urinary creatinine, and REE were measured. From multiple-regression analysis, the best-fitting equation for calculating REE (REE = 54.4 LBM (kg) + 0.095 creatinine (mmol/kg) + 4.7) was highly significant (r = 0.987, p less than 0.0001). Although the regressions of REE on weight were significantly different between the two groups, the equations using LBM or 24-h urinary creatinine did not discriminate between them. These findings suggest that an equation based on LBM or 24-h urinary creatinine excretion could be a more accurate estimate of REE than are conventional methods based on weight or height, and it may be applicable to diverse nutritional states.


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M. S Buchowski, K. Y Chen, D. Byrne, and W. C Wang
Equation to estimate resting energy expenditure in adolescents with sickle cell anemia
Am. J. Clinical Nutrition, December 1, 2002; 76(6): 1335 - 1344.
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Copyright © 1990 by The American Society for Nutrition