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Association between iron deficiency and febrile seizures.

TitleAssociation between iron deficiency and febrile seizures.
Publication TypeJournal Article
Year of Publication2015
AuthorsPapageorgiou, V., Vargiami E., Kontopoulos E., Kardaras P., Economou M., Athanassiou-Mataxa M., Kirkham F., & Zafeiriou D. I.
JournalEur J Paediatr Neurol
Date Published2015 Sep
KeywordsCase-Control Studies, Child, Child, Preschool, Female, Ferritins, Greece, Humans, Infant, Iron, Male, Prospective Studies, Recurrence, Seizures, Febrile

OBJECTIVE: The relationship between iron status and febrile seizures has been examined in various settings, mainly in the Developing World, with conflicting results. The aim of this study was to investigate any association between iron deficiency and febrile seizures (FS) in European children aged 6-60 months.DESIGN: Prospective, case-control study.SETTING: Greek population in Thessaloniki.PATIENTS: 50 patients with febrile seizures (cases) and 50 controls (children presenting with fever, without seizures).INTERVENTIONS: None.MAIN OUTCOME MEASURES: Haematologic parameters (haemoglobin concentration, haematocrit, mean corpuscular volume, red cell distribution width), plasma iron, total iron-binding capacity, plasma ferritin, transferrin saturation and soluble transferrin receptors were compared in cases and controls.RESULTS: Plasma ferritin was lower (median [range]: 42.8 (3-285.7) vs 58.3 (21.4-195.3 ng/ml; p = 0.02) and Total Iron Binding Capacity (TIBC) higher (mean [Standard Deviation] 267 [58.9] vs 243 [58.45] μg/dl, p = 0.04) in cases than in controls. Results were similar for 12 complex FS cases (ferritin 30 (3-121 vs 89 (41.8-141.5ng/lL; TIBC 292.92 [68.0] vs 232.08 [36.27] μg/dL). Iron deficiency, defined as ferritin <30 ng/ml, was more frequent in cases (24%) than controls (4%; p = 0.004). Ferritin was lower and TIBC higher in 18 with previous seizures than in 32 with a first seizure although haemoglobin and mean cell haemoglobin concentration were higher.CONCLUSIONS: European children with febrile seizures have lower Ferritin than those with fever alone, and iron deficiency, but not anaemia, is associated with recurrence. Iron status screening should be considered as routine for children presenting with or at high risk for febrile seizures.

Alternate JournalEur. J. Paediatr. Neurol.
PubMed ID26112262


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