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The influence of puberty on vitamin D status in obese children and the possible relation between vitamin D deficiency and insulin resistance

Author
Gutiérrez Medina, Sonsoles; Gavela Pérez, Teresauntranslated; Domínguez-Garrido, María Nieves; Gutiérrez-Moreno, Elisa; Rovira, Adela; Garcés, Carmen; Soriano Guillén, Leandrountranslated
Entity
UAM. Departamento de Pediatría; Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD)
Publisher
De Gruyter
Date
2015-01-01
Citation
10.1515/jpem-2014-0033
Journal of Pediatric Endocrinology and Metabolism 28.(1.2) 2015: 105-110
 
 
 
ISSN
0334-018X (print); 2191-0251 (on line)
DOI
10.1515/jpem-2014-0033
Editor's Version
http://dx.doi.org/10.1515/jpem-2014-0033
Subjects
Childhood obesity; Insulin resistance; Puberty; Vitamin D; Medicina
URI
http://hdl.handle.net/10486/672199

Abstract

Background: Puberty can affect vitamin D levels. Objectives: The goal of this study was to analyze the relation between vitamin D deficiency and puberty in obese Spanish children, along with the possible interrelation between vitamin D status and degree of insulin resistance. Methods: A cross-sectional study was carried out, in which clinical and biochemical data were gathered from 120 obese and 50 normal weight children between January 2011 and January 2013. Results: Mean vitamin D levels were 19.5 and 31.6 ng/mL in obese pubertal and obese prepubertal children, respectively. About 75% of the obese pubertal subjects and 46% of the obese prepubertal subjects had vitamin D deficiency. Vitamin D levels were significantly lower in pubescent subjects compared with pre-pubescent subjects in summer, fall, and winter. There was no apparent relation between vitamin D levels and homeostasis model assessment index for insulin resistence (expressed in standard deviation score for sex and Tanner stage) in either puberty or pre-puberty. Conclusion: Puberty may be a risk factor for the vitamin D deficiency commonly found in the obese child population. This deficiency is not associated with higher insulin resistance in obese pubertal children compared with obese prepubertal children
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Google™ Scholar:Gutiérrez Medina, Sonsoles - Gavela Pérez, Teresa - Domínguez-Garrido, María Nieves - Gutiérrez-Moreno, Elisa - Rovira, Adela - Garcés, Carmen - Soriano Guillén, Leandro

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