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Association between iron deficiency anemia and febrile seizure in children
Hojjat Derakhshanfar1, Ali Abaskhanian, Hosein Alimohammadi
1Pediatric Department, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Insights
Iron deficiency anemia may protect against febrile seizures in children. Anemia incidence was lower in children with febrile seizures compared to controls, suggesting a reduced risk.
Area of Science:
- Pediatrics
- Neurology
- Hematology
Background:
- Febrile convulsion (FC) is a common pediatric seizure type.
- Iron deficiency is a potential trigger for FCs.
- Iron deficiency anemia (IDA) is prevalent in children.
Purpose of the Study:
- To investigate the association between iron deficiency anemia and febrile seizures in children.
- To determine if IDA influences the risk of FC.
Main Methods:
- A case-control study involving 500 children with FC (cases) and 500 febrile children without seizures (controls).
- Participants aged 6-60 months, matched for age, gender, and iron supplementation.
- Laboratory tests included Complete Blood Count (CBC), serum iron, plasma ferritin, and Total Iron Binding Capacity (TIBC).
Main Results:
- Children with FC had significantly higher levels of hemoglobin, hematocrit, and iron-related markers compared to controls.
- Total Iron Binding Capacity (TIBC) was significantly lower in the FC group.
- The incidence of iron deficiency anemia was significantly lower in children with febrile seizures (p < 0.016).
Conclusions:
- The study suggests a potentially protective role of anemia against febrile seizures.
- Anemic children may have a lower risk of experiencing febrile seizures compared to non-anemic children.
Aim:
Febrile convulsion (FC) is a common cause of seizure in young children, with an excellent prognosis. In addition to genetic predisposition, FCs are generally thought to be induced by elemental changes such as iron deficiency. Regarding the high prevalence of febrile seizure and iron deficiency anemia in children, the aim was to investigate the role of iron deficiency anemia in FC patients.
Methods:
This case-control study was performed in 500 children with febrile seizures (case) and 500 febrile children without seizures (control), referred to Mofid hospital in Tehran during one year (Nov 2009-Nov 2010). All children were aged between 6-60 months. The groups were matched in age and gender and use of supplemental iron. Laboratory tests consisted of Complete Blood Count (CBC). Serum iron, plasma ferritin and Total Iron Binding Capacity (TIBC) analyses were done in each patient.
Results:
The patients and controls were 26.49+12.65 and 26.84+11.70 months of mean age, respectively. The amount of Hb, Hct, MCV, MCH, MCHC, RBC count, serum iron and plasma ferritin were significantly higher and TIBC was significantly lower among the cases with febrile convulsion than the controls. The incidence of iron deficiency anemia was significantly higher in controls compared with the cases (p less than 0.016). The mean of temperature peak on admission was significantly higher in the febrile convulsion group than controls.
Conclusion:
The results of this study suggest that the risk of febrile seizure occurrence in anemic children is less common as compared to non-anemic ones.
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