Variability of resting energy expenditure in healthy volunteers during fasting and continuous enteral feeding.
Détails
ID Serval
serval:BIB_7D961085A334
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Variability of resting energy expenditure in healthy volunteers during fasting and continuous enteral feeding.
Périodique
Critical Care Medicine
ISSN
0090-3493 (Print)
ISSN-L
0090-3493
Statut éditorial
Publié
Date de publication
1986
Volume
14
Numéro
6
Pages
535-538
Langue
anglais
Résumé
The magnitude of variability in resting energy expenditure (REE) during the day was assessed in nine healthy young subjects under two nutritional conditions: 1) mixed nutrient (53% carbohydrate, 30% fat, 17% protein) enteral feeding at an energy level corresponding to 1.44 REE; and 2) enteral fasting, with only water allowed. In each subject, six 30-min measurements of REE were performed using indirect calorimetry (hood system) at 90-min intervals from 9 AM to 5 PM. The mean REE and respiratory quotient were significantly (p less than .01) greater during feeding than during fasting (1.08 +/- 0.07 [SEM] vs. 1.00 +/- 0.06 kcal/min and 0.874 +/- 0.007 vs. 0.829 +/- 0.008 kcal/min, respectively). Mean postprandial thermogenesis was 4.9 +/- 0.4% of metabolizable energy administered. The intraindividual variability of REE throughout the day, expressed as the coefficient of variation, ranged from 0.7% to 2.0% in the fasting condition and from 1.2% to 4.1% in the feeding condition. There was no significant difference between the REE measured in the morning and that determined in the afternoon.
Mots-clé
Adolescent, Adult, Body Temperature Regulation, Circadian Rhythm, Energy Metabolism, Enteral Nutrition, Fasting, Female, Heart Rate, Humans, Male, Respiration, Rest
Pubmed
Web of science
Création de la notice
21/01/2008 14:07
Dernière modification de la notice
20/08/2019 15:38