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KMID : 1101420150470040324
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Korean Journal of Clinical Laboratory Science
2015 Volume.47 No. 4 p.324 ~ p.331
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Association between Thyroid Hormone and Risk Factors of Metabolic Syndrome in Adult Men of Normal Thyroid Function
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Shin Kyung-Ah
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Abstract
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Thyroid hormones are essential for cellular energy homeostasis and regulation by interacting with the sympathetic nervous system. This study was conducted to investigate the relationship between thyroid hormone and risk factors of metabolic syndrome for medical checkups of male patients. The study subjects were 12,250 males between 20∼80 years old who visited the hospital for a health check-up at one General Hospital in Gyeonggi-do during the period of January 2011 to December 2013. According to the American Heart Association/National Heart, Lung, and Blood Institute (AHA/NHLBI), the metabolic syndrome criteria is defined as the presence of 3 or more risk factors. FT4 was lower in the metabolic syndrome group than in the normal group (p<0.001). The level of FT4 decreased as the levels of abdominal obesity (p=0.001), hypertriglyceridemia (p<0.001), blood pressure (p=0.005) and blood glucose (p=0.005) increased. The TSH level increased hypertriglyceridemia (p=0.047). FT4 had an influence on the waist circumference and triglyceride (p<0.001). HbA1c, insulin, HOMA-IR, hs-CRP were higher in the lowest quartile than in the highest quartile (p<0.001). FT4 had effects on the waist circumference and triglyceride, but TSH had no effect on metabolic syndrome risk factors. The metabolic syndrome was lower in the highest quartile of FT4 than in its lowest quartile.
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KEYWORD
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Thyroid hormone, Metabolic syndrome, Insulin resistance, Inflammation marker
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