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난치성 측두엽 간질환자의 발작간 뇌파소견

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Author(s)
김지언손은익김준식이상도박영춘Ji-Eun KimEun-Ik SonJoon-Sik KimSang-Doe YiYoung-Choon Park
Keimyung Author(s)
Kim, Ji EunYi, Sang DoPark, Young ChunSon, Eun IkKim, Joon Sik
Department
Dept. of Neurology (신경과학)
Dept. of Neurosurgery (신경외과학)
Dept. of Pediatrics (소아청소년학)
Journal Title
대한신경과학회지
Issued Date
1998
Volume
16
Issue
4
Abstract
Backgrounds : The localization validity of interictal scalp EEG abnormalities in the patients with temporal lobe epilepsy(TLE) has been a subject of much debate. This study was an attempt to assess the general characteristics and the lateralization value of interictal scalp EEG abnormalities of TLE. We also examined the possible etiologic factors of bitemporal independent epileptiform discharges(BIED). Methods : We investigated the interictal scalp EEGs of 59 patients. All patients have been seizure free but might have had persistent auras (Engel's classification, class I) after anterior temporal lobectomy(ATL) with minimum follow-up of 1 year. Long term scalp EEG monitoring records were evaluated for interictal EEG abnormalities in all patients. Results : Scalp EEGs from 59 patients exhibited clear epileptiform discharges. Strictly unitemporal epileptiform discharge(UED) was present in 23 patients (39%). It was concordant with the side of seizure origin in 22 patients (95%), and discordant in 1 patient (5%). Thirty six patients (61%) had BIED. Twenty two patients with BIED showed lateralized preponderance which was defined as at least 80% laterality. It was concordant with the side of seizure origin in 21 patients (95%), and discordant in 1 patient (5%), and 14 patients were not lateralized. Bilateral synchronous epileptiform discharges were present in 4 patients (7%), and extratemporal spike in only 1 patient (2%). Localized temporal slow waves were shown in 33 patients (56%). It was concordant with the side of seizure origin in 28 patients, discordant in 1 patient. Four of 33 patients had bilateral temporal slow waves. There was no statistically significant difference in age at seizure onset, duration of epilepsy between the groups with UED and with BIED. Febrile seizures occurred similarly in both groups. Conclusions : It seems obvious that patients with UED or lateralized interictal temporal spike or sharp waves have a strong likelihood of ictal onset from the ipsilateral temporal region. Nevertheless, these interictal abnormalities without other convincing data are not infallible in prediction of unifocal temporal ictal onset. A history of febrile convulsion, duration of epilepsy, and age at onset do not appear to be the major contributing factors for the development of BIED.
Alternative Title
Interictal Scalp EEG in Intractable Temporal Lobe Epilepsy
Keimyung Author(s)(Kor)
김지언
이상도
박영춘
손은익
김준식
Publisher
School of Medicine
Citation
김지언 et al. (1998). 난치성 측두엽 간질환자의 발작간 뇌파소견. 대한신경과학회지, 16(4), 480–485.
Type
Article
ISSN
1225-7044
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/39087
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
1. School of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학)
1. School of Medicine (의과대학) > Dept. of Pediatrics (소아청소년학)
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