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KMID : 1130320100530030392
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Korean Journal of Pediatrics
2010 Volume.53 No. 3 p.392 ~ p.396
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Relationship between iron deficiency anemia and febrile convulsion in infants
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Jun Youn-Soo
Yu Seung-Taek
Choi Du-Young
Bang Ho-Il
Shin Sae-Ron
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Abstract
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Purpose: The association between iron deficiency anemia and febrile convulsion in infants has been examined in several studies with conflicting results. Therefore, the authors aimed to evaluate the precise relationship involved.
Methods: In this case-control study, the authors assessed 100 children with a diagnosis of febrile convulsion, aged between 9 months and 2 years, during January 2007 to July 2009. The control group consisted of 100 febrile children without convulsion; controls were closely matched to the cases by age, gender, and underlying disease.
Results: The mean ages of the febrile convulsion and control group were 16.3±7.4 and 15.8±6.1 months, respectively, and the two groups had no differences in clinical features. Iron deficiency anemia (Hb <10.5 gm/dL) was more frequent in the febrile convulsion group than in the control group, although there was no statistical significance. Unexpectably, the RDW (red blood cell distribution width) was significantly lower and the MCNC (mean corpuscular hemoglobin concentration) was significantly higher among seizure cases than among the controls (P<0.05). There is no statistical difference between simple and complex febrile groups in the clinical and laboratory profiles. On multiple logistic regression analysis, iron deficiency anemia was more frequent, but the RDW was lower, among the cases with febrile convulsion, compared with the controls.
Conclusions: Our study suggests that the iron deficiency anemia is associated with febrile convulsion, and screening for iron deficiency anemia should be considered in children with febrile convulsions.
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KEYWORD
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Febrile convulsion, Iron deficiency anemia
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