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A comparison of resting metabolic rate, self-rated food intake, growth hormone, and insulin levels in obese and nonobese preadolescents.

Abstract

The objective was to investigate metabolic (resting metabolic rate), behavioral (energy intake), and endocrine variables (fasting insulin and growth hormone levels) potentially responsible for a positive energy balance in obese children in a cross-sectional study. The study was in 25 obese children aged 8 to 12 years and 21 nonobese children of the same age range. Weight, height, lean body mass (LBM) and fatmass (FM) were measured by bioelectrical impedance analysis, resting metabolic rate (indirect calorimetry) for the duration of 25 min, 7-day food records and fasting levels of insulin and human growth hormone (HGH). In the total sample, no differences were found in resting metabolic rate (RMR controlled for differences in weight) and energy intake between groups, whereas fasting insulin level was significantly higher and basal growth hormone concentration was significantly lower in the obese children. In RMR, there were significant age-dependent differences only in 10-year-old children, with the obese subjects showing lower values. The results fit in a multidimensional model, taking into account a critical period in prepubertal age for the development of childhood obesity. This period may be characterized by a reduced RMR, which results in an increased body weight, even if there is no excessive energy intake.

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  • Authors+Show Affiliations

    ,

    Center for Psychobiological and Psychosomatic Research, University of Trier, Germany.

    ,

    Source

    Physiology & behavior 61:5 1997 May pg 725-9

    MeSH

    Body Composition
    Body Mass Index
    Body Weight
    Calorimetry, Indirect
    Child
    Cross-Sectional Studies
    Energy Metabolism
    Feeding Behavior
    Female
    Human Growth Hormone
    Humans
    Insulin
    Male
    Obesity
    Reference Values

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    9145943

    Citation

    Laessle, R G., et al. "A Comparison of Resting Metabolic Rate, Self-rated Food Intake, Growth Hormone, and Insulin Levels in Obese and Nonobese Preadolescents." Physiology & Behavior, vol. 61, no. 5, 1997, pp. 725-9.
    Laessle RG, Wurmser H, Pirke KM. A comparison of resting metabolic rate, self-rated food intake, growth hormone, and insulin levels in obese and nonobese preadolescents. Physiol Behav. 1997;61(5):725-9.
    Laessle, R. G., Wurmser, H., & Pirke, K. M. (1997). A comparison of resting metabolic rate, self-rated food intake, growth hormone, and insulin levels in obese and nonobese preadolescents. Physiology & Behavior, 61(5), pp. 725-9.
    Laessle RG, Wurmser H, Pirke KM. A Comparison of Resting Metabolic Rate, Self-rated Food Intake, Growth Hormone, and Insulin Levels in Obese and Nonobese Preadolescents. Physiol Behav. 1997;61(5):725-9. PubMed PMID: 9145943.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - A comparison of resting metabolic rate, self-rated food intake, growth hormone, and insulin levels in obese and nonobese preadolescents. AU - Laessle,R G, AU - Wurmser,H, AU - Pirke,K M, PY - 1997/5/1/pubmed PY - 1997/5/1/medline PY - 1997/5/1/entrez SP - 725 EP - 9 JF - Physiology & behavior JO - Physiol. Behav. VL - 61 IS - 5 N2 - The objective was to investigate metabolic (resting metabolic rate), behavioral (energy intake), and endocrine variables (fasting insulin and growth hormone levels) potentially responsible for a positive energy balance in obese children in a cross-sectional study. The study was in 25 obese children aged 8 to 12 years and 21 nonobese children of the same age range. Weight, height, lean body mass (LBM) and fatmass (FM) were measured by bioelectrical impedance analysis, resting metabolic rate (indirect calorimetry) for the duration of 25 min, 7-day food records and fasting levels of insulin and human growth hormone (HGH). In the total sample, no differences were found in resting metabolic rate (RMR controlled for differences in weight) and energy intake between groups, whereas fasting insulin level was significantly higher and basal growth hormone concentration was significantly lower in the obese children. In RMR, there were significant age-dependent differences only in 10-year-old children, with the obese subjects showing lower values. The results fit in a multidimensional model, taking into account a critical period in prepubertal age for the development of childhood obesity. This period may be characterized by a reduced RMR, which results in an increased body weight, even if there is no excessive energy intake. SN - 0031-9384 UR - https://www.unboundmedicine.com/medline/citation/9145943/A_comparison_of_resting_metabolic_rate_self_rated_food_intake_growth_hormone_and_insulin_levels_in_obese_and_nonobese_preadolescents_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0031-9384(96)00526-4 DB - PRIME DP - Unbound Medicine ER -