Journal of Pediatric Endocrinology and Metabolism
Editor-in-Chief: Kiess, Wieland
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Metabolic impact of a ketogenic diet compared to a hypocaloric diet in obese children and adolescents
1Research Laboratory of the Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics, University of Patras School of Medicine, Patras, Achaea, Greece
Citation Information: Journal of Pediatric Endocrinology and Metabolism. Volume 25, Issue 7-8, Pages 697–704, ISSN (Online) 2191-0251, ISSN (Print) 0334-018X, DOI: 10.1515/jpem-2012-0131, July 2012
- Published Online:
Background: The effects of carbohydrate-restricted (ketogenic) diets on metabolic parameters in children have been incompletely assessed.
Objective: To compare the efficacy and metabolic impact of ketogenic and hypocaloric diets in obese children and adolescents.
Subjects: Fifty-eight obese subjects were placed on one of the two diets for 6 months.
Methods: Anthropometric measurements, body composition, oral glucose/insulin tolerance test, lipidemic profile, high molecular weight (HMW) adiponectin, whole-body insulin sensitivity index (WBISI), and homeostatic model assessment-insulin resistance (HOMA-IR) were determined before and after each diet.
Results: Both groups significantly reduced their weight, fat mass, waist circumference, fasting insulin, and HOMA-IR (p=0.009 for ketogenic and p=0.014 for hypocaloric), but the differences were greater in the ketogenic group. Both groups increased WBISI significantly, but only the ketogenic group increased HMW adiponectin significantly (p=0.025).
Conclusions: The ketogenic diet revealed more pronounced improvements in weight loss and metabolic parameters than the hypocaloric diet and may be a feasible and safe alternative for children’s weight loss.
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