Browsing by Author "Aksoy, HU"

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    Evaluation of Clinical Course and Neurocognition in Children With Self-Limited Infantile Epilepsy in a Turkish Cohort Study
    Bozaykut, A; Aksoy, HU; Sezer, RG; Polat, M
    The outcome of children with self-limited infantile epilepsy was reported to be normal psychosocial and cognitive development as a characteristic criterion. We aimed to investigate the clinical course and neurocognitive outcome in children with self-limited infantile epilepsy in a Turkish cohort. The clinical course, electroencephalographic (EEG) characteristics, neuroimaging, treatment, and outcome of children with self-limited infantile epilepsy were retrospectively analyzed. All infants were reevaluated with the Denver Developmental Screening Test in addition to neurologic examination. Of 44 patients, self-limited familial infantile epilepsy was diagnosed in 8 infants (18.2%) and self-limited nonfamilial infantile epilepsy in 28 (63.6%). Interictal EEGs and neurologic examinations were normal in all cases. Fine motor and gross motor skills, language, adaptive personal/social skills were near-normal in all patients with self-limited familial infantile epilepsy. Delay in language parameters was observed in 2 infants with self-limited nonfamilial infantile epilepsy. Language skills should be thoroughly evaluated with detailed neurocognitive screening tests in patients with self-limited infantile epilepsy.
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    Levels of Melatonin in Continuous Spikes and Waves During Sleep
    Ayça, S; Aksoy, HU; Tastan, I; Polat, M
    Levels of melatonin have been reported before in children with epilepsy, but such has not been reported to date in those with continuous spikes and waves during sleep. The aim of the present study was to assess serum melatonin levels and melatonin circadian rhythm in patients with continuous spikes and waves during sleep and epilepsy. Serum melatonin was measured in 39 children stratified into 3 groups. Group 1 included 15 patients with continuous spikes and waves during sleep, group 2 included 12 epilepsy patients, and group 3 included 12 controls, respectively. Blood samples were taken from all participants at 1:00 am and 9:00 am and melatonin levels were measured using a quantitative enzyme-linked immunosorbent assay test. The 9:00 am melatonin levels of group 1 were significantly decreased and pair groups were compared. The P-a value (representing a comparison between groups 1 and 2) was .002, the P-b value (representing a comparison between groups 1 and 3) was .001, and the P-c value (representing a comparison between groups 2 and 3) was .86. These findings suggest that the 9:00 am melatonin levels were significantly decreased in the comparison of groups 2 and 3. Further detailed research is necessary to determine the factors leading to the rapid decline of morning melatonin levels of children with continuous spikes and waves during sleep.
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    Evaluation of GFAP, S100B, and UCHL-1 Levels in Children With Refractory Epilepsy
    Aksoy, HU; Yilmaz, C; Orak, SA; Ayça, S; Polat, M
    Introduction A number of biomarkers are used to evaluate the duration of the epileptic seizure and the interictal period following neuronal injury. Invasive diagnostic methods are increasingly being replaced by peripheral or minimally invasive biomarkers that give results faster and are more secure.Purpose We aimed to evaluate serum glial fibrillary acidic protein (GFAP), S100B, and ubiquitin C-terminal hydrolase (UCHL-1) levels in children with epilepsy.Methods Our study included 3 groups: a nonrefractory epilepsy group, a refractory epilepsy group, and a control group. The GFAP, S100B, and UCHL-1 levels in serum samples collected 2-24 hours after the last seizure were analyzed using enzyme-linked immunosorbent assays.Results A total of 69 children participated in the study, with 35 participants in the refractory epilepsy group, 18 in the nonrefractory epilepsy group, and 16 in the control group. The GFAP values in the refractory (25.4 ng/mL) and nonrefractory (26.1 ng/mL) epilepsy groups were found to be statistically significantly higher than those in the control group (17.9 ng/mL; P = .001). The S100B values were found to be significantly higher in the refractory epilepsy group (34.13 pg/mL) than in both the control group and the nonrefractory epilepsy group (28.05 pg/mL; P = .028). No significant differences were observed in the UCHL-1 levels between the 3 groups.Conclusions We conclude that the observed differences may be due to the increased expression of S100B and GFAP caused by increased and repetitive neuronal damage in refractory epilepsies compared with nonrefractory epilepsies.
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    Efficacy of Lacosamide Therapy in Focal Onset Refractory Epilepsy of Childhood: A Single Center Experience
    Aksoy, HU; Yilmaz, C; Ayça, S; Atasever, AK; Polat, M; Öztürk, S
    Objective: Treatment of childhood refractory epilepsy is a challenge for clinicians. Lacosamide is a new generation antiepileptic drug which is being used for focal onset seizures of adults and children. Efficacy and safety of the drug for adults have been demonstrated in various studies. The aim of this retrospective cross-sectional study is to evaluate the efficacy and safety of lacosamide in childhood refractory focal seizures in our clinic. Methods: We examined the medical records of 14 patients treated with lacosamide in our clinic between January 2016 and January 2020 in terms of demographic, etiological, neuroimaging findings, responses to treatment, adverse effects and drug-drug interactions. We evaluated the patients as responders to treatment whose seizure frequency decreased >=%50 after 6 months of lacosamide treatment. Results: in 12 patiens (%85.7) seizure frequency decreased >=%50 (rho<0.001) while 5 of them (%35.7) was seizure free. Despite to the long term treatment one patient did not response to lacosamide treatment, and 1 patient's treatment stopped due to aggravation of seizure after initiation of lacosamide treatment. Clinical adverse effects were observed in 3 (%21.4) patients. Cardiac adverse effects or drug-drug interactions were not observed in any patient. Conclusion: As a result of our study, we think that lacosamide is an effective and reliable treatment option for refractory focal seizures of childhood similar to the results of the studies cited in the literature. We also think that further investigations are needed to evaluate its efficacy in focal and different type of seizures of childhood.