| The role of serum zinc and selenium levels in etiology of febrile seizures |
Yavuz Ataş 
, Hatice Gamze Poyrazoğlu
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Department of Pediatrics, Division of Child Neurology, Fırat University Faculty of Medicine, Elazıg, Turkey |
Correspondence:
Yavuz Ataş, Tel: +905346117792, Email: yavuzatas23@gmail.com
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Received: 17 September 2024 • Revised: 28 November 2024 • Accepted: 6 December 2024 |
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| Abstract |
Background
Febrile seizures (FSs) are the most common form of childhood seizures. Determining the role of trace elements in the pathophysiology of FSs will contribute to the management of FSs by pediatricians.
Purpose
This study aimed to investigate the effects of zinc and selenium on the nervous system and how they may influence the risk of FSs.
Methods
In this case-control study, there were 60 children in the simple FS group and 40 children in the complex FS group. The control groups comprised 50 children with fever but without seizures and 50 healthy children. Blood samples were collected within the first hour after FS.
Results
Zinc and selenium levels were significantly lower in children with fever but without seizures versus healthy children (p<0.001). Serum zinc levels were lower in children with FSs (simple and complex FSs) than in healthy children (p<0.001) but higher than in children with fever but without seizures (p<0.001). Serum selenium levels in children with FSs (simple and complex) were lower than in healthy children but higher than in the children with fever but without seizures. However, these differences were not statistically significant (p>0.05).
Conclusions
Serum zinc levels are significantly decreased during infection, whereas they show a statistically significant increase within the first hour after FS activity. This indicates that the body secretes zinc during FSs to restore homeostasis, reduce oxidative stress, and increase the seizure threshold. Therefore, zinc supplementation during febrile periods may effectively prevent FSs in high-risk children.
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| Key Words:
Febrile seizure, Zinc, Selenium, Trace elements |
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