Thermogenic and metabolic effects of dopamine in healthy men.

Détails

ID Serval
serval:BIB_87C5B8735037
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Thermogenic and metabolic effects of dopamine in healthy men.
Périodique
Critical Care Medicine
Auteur(s)
Ruttimann Y., Schutz Y., Jéquier E., Lemarchand T., Chioléro R.
ISSN
0090-3493 (Print)
ISSN-L
0090-3493
Statut éditorial
Publié
Date de publication
1991
Volume
19
Numéro
8
Pages
1030-1036
Langue
anglais
Résumé
OBJECTIVE: To assess the thermogenic response of dopamine at three different infusion rates and to analyze its effects on various biochemical variables.
DESIGN: Randomized sequential experimental treatment bracketed by control periods.
PATIENTS: Eight young healthy male volunteers with normal body weight (51 to 89 kg).
INTERVENTIONS: Three experimental periods during which dopamine was administered iv in a randomized order at rates of 2.5, 5, or 10 micrograms/kg.min with one preinfusion baseline and two recovery periods in between.
MEASUREMENTS AND MAIN RESULTS: A significant (p less than .01) increase in resting energy expenditure was observed in response to the two highest dopamine infusion rates (5 and 10 micrograms/kg.min), corresponding to 6% and 15% median increases, respectively, as compared with preinfusion values. At the lowest dopamine infusion rate, no variation in resting energy expenditure was observed. Dopamine induced a significant (p less than .01) increase in hyperglycemia at all three infusion rates, and, at the highest infusion rate, dopamine induced a significant (p less than .05) increase of plasma free fatty acid concentrations. Insulin plasma concentrations were significantly (p less than .05 to p less than 0.1) increased at the three dopamine infusion rates.
CONCLUSIONS: Dopamine infusion produces a dose-dependent thermogenic effect and induces various metabolic actions in man.
Mots-clé
Adult, Blood Glucose/metabolism, Body Temperature/drug effects, Dopamine/administration & dosage, Dopamine/pharmacology, Dose-Response Relationship, Drug, Energy Metabolism/drug effects, Fatty Acids, Nonesterified/blood, Heart Rate/drug effects, Humans, Insulin/blood, Male
Pubmed
Web of science
Création de la notice
21/01/2008 14:07
Dernière modification de la notice
03/03/2018 19:03
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