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Abstract 91 Summary The purpose of our study was to perform prolonged EEGs for 6 hours in adult patients with a first unprovoked seizure to determine if the longer studies improved the rates of early diagnosis of epilepsy. Our study was a non-randomized case control study conducted on 140 Egyptian subjects classified into two groups, first group included control group (70 healthy volunteers) with normal neuroimaging and second group included 70 adult patients with first attack of unprovoked seizure. The subjects were recruited from Armed Forces Medical Complex Kobry El Qobba and Menufia University Hospitals from January 2020 to June 2021. The patients and the controls were followed up for any epileptic event through six months. Both had long-term EEG monitoring for 6 hours. Our aim was to determine if the longer EEG studies (six-hour EEG) done after first non-provoked seizure can predict the risk of seizure recurrence, help in early diagnosis of epilepsy, early treatment and hence improve patients‘ outcome. The mean age mean age at first seizure was (25.9 ± 14.7) years, of whom 60 (85.7%) were males and 10(14.7%) were females. As regard first seizue type in our study, more than half of patients (51.4%) had generalized seizure, while 25.7% of them had focal to generalized seizure. Only 1.4% of patients had focal seizure as first presentation and 21.4% of them had unknown onset. In comparison with the controls, non of them had any epileptic activity through the six months of the study. |