期刊
INTERNATIONAL JOURNAL OF ENDOCRINOLOGY
卷 2021, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2021/6663553
关键词
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资金
- Special Financial Funds of Fujian Province (Project: Epidemiological Investigation of Thyroid Disease in Fujian) [2016B019]
- Fujian Science and Technology Innovation Joint Fund Project [2017Y9060]
- Research Fund for Public Welfare from National Health and Family Planning Commission of China [201402005]
The study aimed to investigate the association of thyroid homeostasis with obesity in subclinical hypothyroidism (SCH) population. Results showed that secretory capacity of the thyroid gland and Jostel's thyrotropin index were negatively correlated with obesity indices, while the reciprocal of the thyrotroph thyroid hormone resistance index was positively correlated with BMI. After adjustment, the associations between thyroid function indexes and BMI persisted, suggesting a potential link between low levels of thyroid homeostasis and overall obesity in SCH.
Objective. It remains unknown whether obesity has an effect on the pituitary-thyroid feedback control axis in subclinical hypothyroidism (SCH). We aimed to investigate the association of thyroid homeostasis with obesity in a SCH population. Methods. Our study consisted of a community-based and cross-sectional study from the Epidemiological Survey of Thyroid Diseases in Fujian Province, China. A total of 193 subjects with SCH (90 males and 103 females) without a history of treatment of thyroid disease, such as surgery, radiation, and thyroid hormone or antithyroid medication, were included in the present study. Indices of obesity, including body mass index (BMI), waist circumference (WC), and waist-height ratio (WHtR) were measured. Results. Our results showed that the secretory capacity of the thyroid gland (SPINA-GT) and Jostel's thyrotropin index (TSHI) were negatively correlated with BMI, WC, and WHtR, whereas the reciprocal of the thyrotroph thyroid hormone resistance index (TTSI-1) was positively correlated with BMI (all p<0.05). After adjustment for age, sex, smoking, iodine status, and glucolipid metabolism, the associations between TSHI, TTSI (reciprocal transformation), and BMI still persisted (all p<0.05). Conclusions. These results suggest that low levels of thyroid homeostasis indexes may be associated with overall obesity in SCH, rather than central adiposity.
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