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Background: Febrile seizure (FS) is one of the most common neurologic disorders in children. Electrolyte imbalance especially hyponatremia may have an important role in triggering the febrile seizure. The measure of serum electrolytes will be useful in predicting the further seizure. The aim of this study was to investigate the effect of relative hyponatremia (RH) on the risk of recurrent febrile seizures. Methods: This prospective study was performed on 334 children (6-60-month) with convulsions, referred to Amirkola children's Hospital. The patients were divided into three groups: simple febrile seizure (SFS), complex febrile seizure (CFS) and seizure without fever. In each group, the serum sodium was measured at the beginning of the admission and followed for 24 hours, and electrolyte imbalance was evaluated in seizure recurrences. Data were analyzed using SPSS-16 (student's t-test and logistic regression). Results: Of the 334 children, 105 (31.7%) and 229 (68.3%) patients were female and male, respectively. The mean serum sodium levels in patients with SFS, CFS and control group were 136.64, 134.91 and 137.38 meq/l, respectively (p |
