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Effect of Occupational Extremely Low-Frequency Electromagnetic Field Exposure on the Thyroid Gland of Workers: A Prospective Study

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收录情况: ◇ SCIE ◇ 卓越:梯队期刊

单位: [1]Huazhong Univ Sci & Technol, Cent Hosp Wuhan, Tongji Med Coll, Dept Resp & Crit Care Med, Wuhan 430014, Peoples R China [2]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Geriatr Med,Wuhan 430030,Peoples R China [3]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Resp & Crit Care Med,Wuhan 430030,Peoples R China [4]Naval Univ Engn, Wuhan 430030, Peoples R China [5]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Orthoped,Wuhan 430030,Peoples R China
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关键词: extremely low-frequency electromagnetic field thyroid function thyroid autoantibody thyroid ultrasound thyroid nodule

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Objective The aim of this study was to investigate the biological effects of occupational extremely low-frequency electromagnetic field (ELF-EMF) exposure on the thyroid gland. Methods We conducted a prospective analysis of 85 workers (exposure group) exposed to an ELF-EMF (100 mu T, 10-100 Hz) produced by the electromagnetic aircraft launch system and followed up on thyroid function indices, immunological indices, and color Doppler images for 3 years. Additionally, 116 healthy volunteers were randomly selected as controls (control group), the thyroid function of whom was compared to the exposure group. Results No significant difference was observed in thyroid function between the exposure and control groups. During the follow-up of the exposure group, the serum free triiodothyronine (FT3) level was found to slowly decrease and free thyroxine (FT4) level slowly increase with increasing exposure time. However, no significant difference was found in thyroid-stimulating hormone (TSH) over the three years, and no significant difference was observed in the FT3, FT4 and TSH levels between different exposure subgroups. Furthermore, no significant changes were observed in thyroid autoantibody levels and ultrasound images between subgroups or over time. Conclusion Long-term exposure to ELF-EMF may promote thyroid secretion of T4 and inhibit deiodination of T4 to T3. ELF-EMF has no significant effect on thyroid immune function and morphology.

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出版当年[2021]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验
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出版当年[2020]版:
Q4 MEDICINE, RESEARCH & EXPERIMENTAL
最新[2024]版:
Q3 MEDICINE, RESEARCH & EXPERIMENTAL

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第一作者单位: [1]Huazhong Univ Sci & Technol, Cent Hosp Wuhan, Tongji Med Coll, Dept Resp & Crit Care Med, Wuhan 430014, Peoples R China
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