title: Estimating resting energy expenditure by simple lean-body-mass indicators in children on total parenteral nutrition.
abstract: 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.
authors.affiliation: Unité de Réanimation Digestive et d'Assistance Nutritive, Hôpital Necker, Paris, France.
authors.forename: J S
authors.initials: JS
authors.lastname: Salas
authors.forename: E
authors.initials: E
authors.lastname: Moukarzel
authors.forename: E
authors.initials: E
authors.lastname: Dozio
authors.forename: O J
authors.initials: OJ
authors.lastname: Goulet
authors.forename: G
authors.initials: G
authors.lastname: Putet
authors.forename: C
authors.initials: C
authors.lastname: Ricour
mesh_terms: D001481:Basal Metabolism; D001827:Body Height; D015992:Body Mass Index; D001835:Body Weight; D002153:Calorimetry, Indirect; D002675:Child, Preschool; D003404:Creatinine / Q000652:urine; D005260:Female; D006801:Humans; D008297:Male; D009751:Nutritional Requirements; D009752:Nutritional Status; D010289:Parenteral Nutrition, Total; D012885:Skinfold Thickness
chemical_list: D003404:Creatinine