Febrile seizures are the most common seizure type in early childhood and usually occur during febrile illnesses. Although most febrile seizures are benign, the biological stress response during seizures is not fully understood. In particular, changes in thyroid hormones and stress-related hormones released by the sympathetic nervous system may play a role in seizure characteristics and clinical outcomes. This prospective observational study aims to evaluate the neuroendocrine response in children presenting with febrile seizures by measuring serum thyroxine (T4), epinephrine, and norepinephrine levels. These measurements will be obtained during the acute phase after seizure cessation and compared with levels measured at recovery and with febrile children without seizures. The study will examine the relationship between neuroendocrine marker levels and seizure characteristics such as seizure duration and recurrence, as well as clinical outcomes including length of hospital stay and need for pediatric intensive care unit admission. By improving understanding of the hormonal stress response associated with febrile seizures, this study aims to contribute to the knowledge of seizure pathophysiology in childhood and may help identify biological factors associated with more severe clinical courses.
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Difference in acute neuroendocrine hormone levels between febrile seizure patients and febrile controls
Timeframe: Baseline (during the emergency department presentation)