Metabolic profile of oxidative stress and trace elements in febrile seizures among children
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Published on: January 14, 2013
Hosny M A El-Masry1, Abdelrahim A Sadek2, Mohammed H Hassan3
1Department of Pediatrics, Faculty of Medicine Al-Azhar University (Assiut Branch), Assiut, Egypt.
Insights
Febrile seizures (FS) involve oxidative stress, with higher nitric oxide and malondialdehyde, and lower zinc and selenium. Antioxidant therapy with valproate may improve outcomes in complex FS.
Area of Science:
- Pediatrics
- Neurology
- Biochemistry
Background:
- Febrile seizures (FS) are common in young children.
- Oxidative stress and trace mineral imbalances are implicated in seizure pathogenesis.
- Understanding these biochemical changes is crucial for effective management.
Purpose of the Study:
- To compare serum oxidative stress markers and trace minerals in children with FS versus controls.
- To investigate the relationship between EEG findings and these markers in complex FS.
- To evaluate the impact of antioxidant therapy on clinical outcomes in complex FS.
Main Methods:
- Serum levels of nitric oxide (NO), malondialdehyde (MDA), superoxide dismutase (SOD), copper (Cu), zinc (Zn), and selenium (Se) were measured.
- Colorimetric assays were used for biochemical analysis.
- Patients included 80 children with FS (simple and complex) and 40 controls.
Main Results:
- Children with FS showed elevated NO, MDA, and Cu, with decreased SOD, Zn, and Se compared to controls.
- Complex FS with abnormal EEG had higher NO and MDA than those with normal EEG.
- Valproate therapy significantly reduced NO and MDA levels in complex FS patients.
Conclusions:
- Oxidative stress, altered copper, zinc, and selenium levels may contribute to FS.
- Valproate therapy demonstrates potential in mitigating oxidative stress in complex FS.
- Further research into the role of trace minerals and oxidative stress in FS is warranted.
Abstract:
Febrile seizures (FS) are frequent convulsive disorders, occurring in infants and young children. The present study aims to assess and compare the serum levels of oxidative stress markers and some essential trace minerals in FS with normal or abnormal EEG and evaluate the effect of antioxidant therapy on the clinical outcome. This study has been carried out on 80 children with FS (40 with simple FS and 40 with complex FS) and 40 febrile children without seizures. Clinical and EEG findings were recorded for the included patients. Biochemical assays of serum nitric oxide (NO), malondialdehyde (MDA), superoxide dismutase (SOD), copper (Cu), zinc (Zn) and selenium (Se), using colorimetric methods, were measured in the studied groups. The overall results showed an increased values of NO, MDA and Cu with decreased values of SOD, Zn and Se in patients with FS (simple and complex) in comparison with febrile children without seizures (p < 0.05 for all). Additionally, NO and MDA was increased in complex FS patients with EEG abnormalities in comparison with complex FS with normal EEG findings (p < 0.05); NO and MDA were also significantly decreased after valproate therapy in complex FS patients (p < 0.05 for all). In conclusions, oxidative stress, decreased Zn and Se with increased Cu may play a role in FS. Valproate improves the oxidative stress status in complex FS.
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