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Effects of electromagnetic radiation exposure on bone mineral density, thyroid, and oxidative stress index in electrical workers

Authors Kunt H, Şentürk İ, Gönül Y, Korkmaz M, Ahsen A, Hazman Ö, Bal A, Genç A, Songur A

Received 13 August 2015

Accepted for publication 10 November 2015

Published 12 February 2016 Volume 2016:9 Pages 745—754

DOI https://doi.org/10.2147/OTT.S94374

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Manfred Beleut

Peer reviewer comments 4

Editor who approved publication: Dr Faris Farassati

Halil Kunt,1,* İhsan Şentürk,2,* Yücel Gönül,3,* Mehmet Korkmaz,4 Ahmet Ahsen,5 Ömer Hazman,6 Ahmet Bal,7 Abdurrahman Genç,8 Ahmet Songur3

1Department of Science Education, Faculty of Education, Dumlupinar University, Kütahya, 2Department of Orthopedics and Traumatology, 3Department of Anatomy, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, 4Department of Radiology, Faculty of Medicine, Dumlupinar University, Kütahya, 5Department of Nephrology, Faculty of Medicine, 6Department of Biochemistry, Faculty of Science and Arts, 7Department of General Surgery, 8Department of Physiology, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey

*These authors contributed equally to this work

Background: In the literature, some articles report that the incidence of numerous diseases increases among the individuals who live around high-voltage electric transmission lines (HVETL) or are exposed vocationally. However, it was not investigated whether HVETL affect bone metabolism, oxidative stress, and the prevalence of thyroid nodule.
Methods: Dual-energy X-ray absorptiometry (DEXA) bone density measurements, serum free triiodothyronine (FT3), free thyroxine (FT4), RANK, RANKL, osteoprotegerin (OPG), alkaline phosphatase (ALP), phosphor, total antioxidant status (TAS), total oxidant status (TOS), and oxidative stress index (OSI) levels were analyzed to investigate this effect.
Results: Bone mineral density levels of L1–L4 vertebrae and femur were observed significantly lower in the electrical workers. ALP, phosphor, RANK, RANKL, TOS, OSI, and anteroposterior diameter of the left thyroid lobe levels were significantly higher, and OPG, TAS, and FT4 levels were detected significantly lower in the study group when compared with the control group.
Conclusion: Consequently, it was observed that the balance between construction and destruction in the bone metabolism of the electrical workers who were employed in HVETL replaced toward destruction and led to a decrease in OPG levels and an increase in RANK and RANKL levels. In line with the previous studies, long-term exposure to an electromagnetic field causes disorders in many organs and systems. Thus, it is considered that long-term exposure to an electromagnetic field affects bone and thyroid metabolism and also increases OSI by increasing the TOS and decreasing the antioxidant status.

Keywords: bone mineral density, electromagnetic radiation, electrical workers, thyroid, RANK, RANKL

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