• Title/Summary/Keyword: Epileptic seizure

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Acupuncture Treatment at HT8 Supresses Seizure and Inflammation in Hippocampi on an Epilepsy Mice Model (간질(癎疾) 동물(動物) 모델을 이용한 소부혈(少府穴)의 간질발작(癎疾發作) 및 해마(海馬)의 염증(炎症) 억제 효과(效果) 검증(檢證))

  • Doo, Ah-Reum;Kim, Seung-Nam;Yin, Chang-Shik;Kim, Yeon-Jung;Lee, Hye-Jung;Kim, Seung-Tae;Park, Hi-Joon
    • Korean Journal of Acupuncture
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    • v.29 no.3
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    • pp.396-405
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    • 2012
  • Objectives : To confirm whether acupuncture can suppress the degree of seizure and the activation of astrocytes in hippocampi using kainic acid(KA)-induced epilepsy mouse model. Methods : 8 weeks C57BL/6 mice(20~25 g) were given acupuncture once a day at acupoint HT8(Shaofu) bilaterally during 2 days before KA injection. After an intraperitoneal injection of 30 mg/kg KA, acupuncture treatment was subsequently administered once more(total 3 times), and the degree of seizure was observed for 120 min. The neuronal cell death, pERK expression, and astrocyte activation confirmed 1 hour and 24 hours after KA injection. Results : Acupuncture treatment at HT8 suppressed KA-induced epileptic seizure. One hour after KA injection, the pERK expression was increased, which was reduced by the acupuncture treatment. Twenty four hours after injection, the treatment decreased the KA-induced neuronal cell death, the interleukin-$1{\beta}$ expression and the astrocyte activation in the CA3 region of the mouse hippocampus. Conclusions : Acupuncture treatment at HT8 decreases the KA-induced epileptic seizure, the neural cell inflammation and death.

Altered expression of adrenocorticotropic hormone in the epileptic gerbil hippocampus following spontaneous seizure

  • Oh, Yun-Jung;Kim, Heung-No;Jeong, Ji-Heon;Park, Dae-Kyoon;Park, Kyung-Ho;Ko, Jeong-Sik;Kim, Duk-Soo
    • BMB Reports
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    • v.46 no.2
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    • pp.80-85
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    • 2013
  • We investigated the temporal alterations of adrenocorticotropic hormone (ACTH) immunoreactivity in the hippocampus after seizure onset. Expression of ACTH was observed within inter-neurons in the pre-seizure group of seizure sensitive gerbils, whereas its immunoreactivities were rarely detected in seizure resistant gerbil. Three hr after the seizure, ACTH immunoreac-tivity was significantly increased in interneurons within all hippocampal regions. On the basis of their localization and morphology through immunofluorescence staining, these cells were identified as $GABA_A$ ${\alpha}1$-containing interneurons. At the 12 hr postictal period, ACTH expression in these regions was down-regulated, in a similar manner to the pre-seizure group of gerbils. These findings support the increase in ACTH synthesis that contributes to a reduction of corticotrophin-releasing factor via the negative feedback system which in turn provides an opportunity to enhance the excitability of GABAergic interneurons. Therefore, ACTH may play an important role in the reduction of excitotoxicity in all hippocampal regions.

Acoustic Variations in Epileptic Patients with Topiramate (간질 치료제 복용으로 인한 음성학적인 변화에 대한 연구)

  • Choi, Yoon-Mi;Kim, Sun-Jun;Kim, Hyun-Gi
    • Speech Sciences
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    • v.14 no.4
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    • pp.221-232
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    • 2007
  • Topiramate (TPM) is a new antiepileptic drug characterized by a clinical effective reduction in seizure frequency and it represents a useful drug effective in a wide range of epileptic patients. Known side effects are represented by weight loss, hypohidrosis, anorexia, sedation, nephrolithiasis, cognitive complaints and language disorders. This study is to examine acoustic characteristics of patients with TPM. 15 patients were assessed through a Computerized Speech Lab (CSL) applied before the beginning of therapy with TPM and 3 months after medication had been stabilized. Tests had been chosen to assess voice onset time (VOT), total duration (TD), vowel formants, loudness, pitch, speaking rate, and articulation patterns. We compared the data from patients and healthy volunteers. The statistical analysis of the results did not show changes in acoustic tests, except for TD which was increased. The increase of the TD is evaluated as a deterioration of fluency. Our results suggest that patients with TPM did not experience acoustic speech changes except that fluency was declined. Unlike previous studies, the medication of TPM has nothing to do with speech problems in patients with epilepsy.

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Antiepileptic Drugs in Children : Current Concept

  • Lee, Jeehun
    • Journal of Korean Neurosurgical Society
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    • v.62 no.3
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    • pp.296-301
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    • 2019
  • An epileptic seizure is defined as the transient occurrence of signs and/or symptoms due to abnormally excessive or synchronous neuronal activity in the brain. The type of seizure is defined by the mode of onset and termination, clinical manifestation, and by the abnormal enhanced synchrony. If seizures recur, that state is defined as epilepsy. Antiepileptic drugs (AEDs) are the mainstay of treatment. Knowledge about initiating and maintaining adequate AEDs is beneficial for the clinician who treats children with epilepsy. This article will delineate the general principles for selecting, introducing, and discontinuing AEDs and outline guidelines for monitoring adverse effects. In general, AED therapy following a first unprovoked seizure in children is not recommended. However, treatment should be considered after a second seizure. In children and adolescents, if they are seizure-free for at least 2 years, attempts to withdraw medication/s should be made, taking into account the risks vs. benefits for the individual patient. The decision on when and what AED to use should be tailored according to the patient. For optimal treatment, the selection of adequate AEDs can be achieved by considering the precise definition of the patient's seizure and epilepsy syndrome. Continuous monitoring of both therapeutic and adverse effects is critical for successful treatment with AEDs.

A Comparative Study of Parental Stress in Families with Epileptic Children (간질아동 부모의 스트레스에 관한 비교 연구)

  • Kim, Bo-Young;Cho, Sung Min
    • Clinical and Experimental Pediatrics
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    • v.45 no.10
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    • pp.1251-1262
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    • 2002
  • Purpose : The purpose of this study is to assess and compare the stress of mothers and fathers in families with epileptic children, and to assess contributing factors to their stress. Methods : We used a family stress survey with 35 questionnaires to obtain data concerning the parents' perceived stress. Data were analyzed with SPSS 8.0 program using Pearson correlation coefficient, oneway ANOVA, and multiple range test. Results : The parents' stress level seemed not so high and there was no significant difference in stress level between mothers and fathers. There was no significant correlation between most demographic variables of the parents and parents' stress level. But the time of bringing epileptic children correlates positively with the stress level. Oneway ANOVA showed the differences of parents' stress level according to the education institution, seizure type, number of antiepileptic drugs, and the combined disabilities of the sufferer. Conclusion : The results of present study indicate that the stress level in the families with epileptic children may be influenced by some treatment-related characteristics of epileptic children such as seizure type, number of antiepileptic drugs, combined disabilities and the raising method of hospital expenses.

A Case Report of Symptomatic Epilepsy (수면중 간질발작을 주소로 하는 증후성 간질 환아 증례 보고)

  • Kim, Yoon-Young;Min, Sang-Yeon;Kim, Jang-Hyun
    • The Journal of Pediatrics of Korean Medicine
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    • v.23 no.1
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    • pp.85-93
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    • 2009
  • Objectives The purpose of this study is to report a case which gave various remarkable epilepsy treatment results by using oriental medicine. Methods We treated the patient with acupuncture as a main treatment and herbal medicine. We also recommended to the patient and patient's parents to continue oriental medical treatment for 2 years from now because symptomatic epilepsy is a type of disease which needs long term care. Results The epileptic seizure has been well controlled for 12 months so far, and the results was recorded by EEG. The EEG level was in normal range. Conclusions Even though this is only one case of the study but this case has an important meaning because the epilepsy was treated by oriental medicine, especially acupuncture treatment. The control of the symptomatic epileptic seizure was effective by means of increasing patient's quality of life. Further studies about effective treatment of symptomatic epilepsy would be needed with more various cases.

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AUTOMATIC DETECTION OF EPILEPTIFORM ACTIVITY USING WAVELET AND ARTIFICIAL NEURAL NETWORK (웨이브렛과 신경회로망을 이용한 간질 파형 자동 검출)

  • Park, H.S.;Park, C.H.;Lee, Y.H.;Lee, D.S.;Kim, S.I.
    • Proceedings of the KOSOMBE Conference
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    • v.1997 no.05
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    • pp.358-361
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    • 1997
  • This paper describes a multichannel epileptic seizure detection algorithm based on wavelet transform(WT), artificial neural network(ANN) and expert system. First, through the WT, a small number of wavelet coefficients is used to represent the single channel epileptic spike. Next, 3-layer feed-forward network employing the error back propagation algorithm is trained and tested using parameters obtained above. Finally, 16 channel expert system which is based on clinical experience is introduced as a artifact rejection and reliable detection. The suggested algorithm was implemented on personal computer(PC). Two main events i.e., epileptiform and normal activities, were selected from 32 person's EEGs(normal: 20, seizure disorder: 12) in consensus among experts. The result was that WT reduced data input size and ANN detected 97 of the 100 EEGs containing definite spike - sensitivity of 97%. Expert rule system was capable of rejecting a wide variety of artifacts commonly found in EEG recordings. It also reduced false positive detections of ANN.

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Epileptic Seizure Detection for Multi-channel EEG with Recurrent Convolutional Neural Networks (순환 합성곱 신경망를 이용한 다채널 뇌파 분석의 간질 발작 탐지)

  • Yoo, Ji-Hyun
    • Journal of IKEEE
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    • v.22 no.4
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    • pp.1175-1179
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    • 2018
  • In this paper, we propose recurrent CNN(Convolutional Neural Networks) for detecting seizures among patients using EEG signals. In the proposed method, data were mapped by image to preserve the spectral characteristics of the EEG signal and the position of the electrode. After the spectral preprocessing, we input it into CNN and extracted the spatial and temporal features without wavelet transform. Results from the Children's Hospital of Boston Massachusetts Institute of Technology (CHB-MIT) dataset showed a sensitivity of 90% and a false positive rate (FPR) of 0.85 per hour.

Automated epileptic seizure waveform detection method based on the feature of the mean slope of wavelet coefficient counts using a hidden Markov model and EEG signals

  • Lee, Miran;Ryu, Jaehwan;Kim, Deok-Hwan
    • ETRI Journal
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    • v.42 no.2
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    • pp.217-229
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    • 2020
  • Long-term electroencephalography (EEG) monitoring is time-consuming, and requires experts to interpret EEG signals to detect seizures in patients. In this paper, we propose a novel automated method called adaptive slope of wavelet coefficient counts over various thresholds (ASCOT) to classify patient episodes as seizure waveforms. ASCOT involves extracting the feature matrix by calculating the mean slope of wavelet coefficient counts over various thresholds in each frequency subband. We validated our method using our own database and a public database to avoid overtuning. The experimental results show that the proposed method achieved a reliable and promising accuracy in both our own database (98.93%) and the public database (99.78%). Finally, we evaluated the performance of the method considering various window sizes. In conclusion, the proposed method achieved a reliable seizure detection performance with a short-term window size. Therefore, our method can be utilized to interpret long-term EEG results and detect momentary seizure waveforms in diagnostic systems.

Acupuncture Treatment at HT8 Protects Hippocampal Cells in Dentate Gyrus on Kainic Acid-Induced Epilepsy Mice Model (소부혈(少府穴) 자침(刺鍼)이 Kainic Acid로 유도(誘導)된 간질(癎疾) 동물(動物) 모델의 해마(海馬) 치상회(齒狀回)에 미치는 영향(影響))

  • Kim, Seung-Tae;Chung, Joo-Ho;Jeong, Wu-Byung;Kim, Jang-Hyun;Kang, Min-Jung;Hong, Mee-Sook;Park, Hae-Jeong;Kim, Yeon-Jung;Park, Hi-Joon;Lee, Hye-Jeong
    • Korean Journal of Acupuncture
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    • v.24 no.4
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    • pp.99-110
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    • 2007
  • Objectives : Epilepsy is one of the most common serious brain disorders that affect people of all ages, and it is characterized by recurrent unprovoked seizures. We examined whether acupuncture can reduce both the incidence of seizures and hippocampal cell death in dentate gyrus (DG) using a mouse model of kainic acid (KA)-induced epilepsy. Methods : ICR mice ($20{\sim}25$ g) were given acupuncture once a day at acupoint HT8 (sobu) bilaterally during 2 days before KA injection. After an intracerebroventricular injection of 0.1${\mu}g$ of KA, acupuncture treatment was subsequently administered once more (total 3 times), and the degree of seizure was observed for 20 min. Three hours after injection, we confirmed the neural cell death using cresyl violet staining and silver impregnation staining, and determined the expressions of c-Fos and glutamate decarboxylase (GAD)-67 using immunohistochemistry techniques in the DG. Results : KA induced epileptic seizure, neural cell death, increased c-Fos expression and decreased GAD-67 expression in the DG. Acupuncture treatment at HT8 reduced the severity of the epileptic seizure and inhibited neural cell death from KA. In addition, acupuncture normalized the expressions of c-Fos and GAD-67 in the same areas. Conclusions : These results demonstrated that acupuncture treatment at HT8 may reduce the KA-induced epileptic seizure and neural cell death in the DG possibly by normalizing c-Fos expressions and the gamma-aminobutyric acid neurons.

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