Our study in children with PWS shows that 4 yr of continuous GH treatment (1 mg/m(2) . d) improves body composition by decreasing fat%SDS and stabilizing LBMSDS and head circumference SDS and normalizes heightSDS without adverse effects. Thus, long-term continuous GH treatment is an effective and safe therapy for children with PWS.
Background:Behavioral lifestyle intervention, combined with parental involvement, is preferred over standard care or self-help in childhood obesity. The short-term results of such interventions are promising, but long-term follow-up results are equivocal.Objective:The objective of the present study was the short (3 months) and long-term (1 and 2 years follow-up) effect evaluation of a family-based multidisciplinary cognitive behavioral lifestyle intervention on markers of adiposity, metabolism, inflammation and physical fitness compared with standard care in children with obesity. Also the association between these outcome variables was determined.Methods:In this prospective longitudinal clinical trial, obese children were randomly assigned to a 3-month family-based cognitive behavioral multidisciplinary lifestyle treatment (n=40; body mass index-standard deviation score (BMI-SDS) 4.2±0.7; age; 13.3±2.0 years) or to a control group receiving an initial advice on physical activity and nutrition (n=39; BMI-SDS 4.3±0.6; age 13.1±1.9 years). Anthropometric data, physical fitness, metabolic parameters and inflammatory state were evaluated at baseline, after intervention (at 3 months) and at 1-year follow-up. At 2-year follow-up, anthropometric data and physical fitness were measured in the intervention group.Results:An intervention effect after 1 year was found for adiposity (P=0.02 for BMI-SDS, P=0.03 for waist circumference (WC)-SDS), physical fitness (absolute measured peak value of oxygen uptake (ml min−1), standardized for age and gender (VO2peak-SDS), P<0.01) and insulin resistance (HOMA-SDS, P=0.04). No significant intervention effect was found for serum lipid profile, high-sensitive C-reactive protein or for adiponectin. At 2-year follow-up, BMI-SDS in the intervention group (n=31) was 3.8±1.2 SDS, significantly less than at baseline (P=0.02).Conclusion:A positive 1-year follow-up treatment effect was found for adiposity, physical fitness and glucose homeostasis, but not for inflammatory markers. There was a significant long-term treatment effect on adiposity, although almost all children remained obese.
This long-term GH study demonstrates that BMDTB, BMDLS, and BMADLS remain stable in prepubertal children with PWS but decreases during adolescence, parallel to incomplete pubertal development. Based on our findings, clinicians should start sex hormone therapy from the age of 11 years in girls and 14 years in boys unless there is a normal progression of puberty.
Objective To evaluate (1) the longitudinal relationship between parental well-being and glycemic control in youth with type 1 diabetes and (2) if youth's problem behavior, diabetes parenting behavior, and parental diabetes-distress influence this relationship. Research Design and Methods Parents of youth 8–15 yrs (at baseline) (N = 174) participating in the DINO study completed questionnaires at three time waves (1 yr interval). Using generalized estimating equations, the relationship between parental well-being (WHO-5) and youth's HbA1c was examined. Second, relationships between WHO-5, Strength and Difficulties Questionnaire (SDQ), Diabetes Family Behavior Checklist (DFBC), Problem Areas In Diabetes-Parent Revised (PAID-Pr) scores, and HbA1c were analyzed. Results Low well-being was reported by 32% of parents. No relationship was found between parents' WHO-5 scores and youth's HbA1c (β = −0.052, p = 0.650). WHO-5 related to SDQ (β = −0.219, p < 0.01), DFBC unsupportive scale (β = −0.174, p < 0.01), and PAID-Pr (β = −0.666, p < 0.01). Both DFBC scales (supportive β = −0.259, p = 0.01; unsupportive β = 0.383, p = 0.017), PAID-Pr (β = 0.276, p < 0.01), and SDQ (β = 0.424, p < 0.01) related to HbA1c. Conclusions Over time, reduced parental well-being relates to increased problem behavior in youth, unsupportive parenting, and parental distress, which negatively associate with HbA1c. More unsupportive diabetes parenting and distress relate to youth's problem behavior.
Bilateral uterine artery ligation in late gestation was performed in pregnant dams in order to determine the effects of intrauterine growth retardation (IUGR) on long-term postnatal somatic growth and the GH neuroendocrine axis in the adult female and male rat. Body weight (BW), nose-anus length (NAL) and tail length (TL) were recorded at regular intervals in both the IUGR and control (CON) offspring until the age of 93 days. Spontaneous 6-h GH secretory profiles and serum IGF-I were determined around the age of 100 days in both the IUGR and the CON group.No catch-up growth in BW, NAL or TL was observed in young adult male IUGR rats. Female IUGR rats did catch up in NAL beyond the age of 57 days and in TL before weaning, but did not catch up at any time in BW. Spontaneous 6-h GH secretory profiles in female and male IUGR rats at a mean age of 100 4 days were similar to their controls at a mean age of 101 4 days. Overall median 6-h rat GH plasma concentrations, rat GH peak amplitude, number of rat GH peaks and sum of peak area were not significantly different. Median serum IGF-I levels in young adult female and male IUGR rats showed no difference when compared with their respective controls.These results demonstrate that IUGR, after bilateral uterine artery ligation in late gestation, leads to incomplete BW catch-up growth in young adult rats of both sexes with physiological GH/IGF-I secretion, suggesting intrauterine modulation of tissue responsiveness to GH and IGF-I. Female IUGR rats do catch up in NAL and TL, developing disturbed body proportions.
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