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KMID : 1161220200630030110
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Clinical and Experimental Pediatrics
2020 Volume.63 No. 3 p.110 ~ p.114
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Influence of subclinical hypothyroidism on metabolic parameters in obese children and adolescents
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Kara Ozlem
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Abstract
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Background: Subclinical hypothyroidism (SH) is a common condition in obese children. However, its effect on glucose and lipid metabolism in obese children remains controversial.
Purpose: The present study aimed to investigate the association between SH and metabolic parameters.
Methods: A total of 215 obese children and adolescents aged 6?18 years were included in this retrospective cross-sectional study. The patients’ anthropometric measurements such as thyrotropin (TSH), free thyroxine (fT4), fasting plasma glucose, and insulin levels, as well as homeostasis model assessment for insulin resistance (HOMA-IR) index, and lipid profiles were evaluated. The patients were allocated to the SH group (fT4 normal, TSH 5?10 mIU/L) (n=77) or the control group (fT4 normal, TSH<5 mIU/L) (n=138). The glucose and lipid metabolisms of the 2 groups were compared.
Results: SH was identified in 77 of 215 patients (36%). Mean body mass index was similar in both groups. The mean serum insulin, HOMA-IR, and triglyceride (TG) levels were higher and the mean high-density lipoprotein cholesterol level was lower in the SH group than in the control group (P=0.007, P=0.004, P=0.01, and P=0.02, respectively). A positive correlation was observed between TSH level and insulin level, HOMA-IR, and TG level.
Conclusion: SH was identified in some of the obese children and adolescents. A clear association was observed between SH, insulin resistance, and dyslipidemia in obese children.
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KEYWORD
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Child, Dyslipidemia, Insulin resistance, Obesity, Subclinical hypothyroidism
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