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측두엽 간질 환자의 Wada 검사에서 병측 반구 진단에 유용한 기억 자극 종류와 점수 측정 방법

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Author(s)
김근호김지언이상도Keun-Ho KimJi-Eun KimSang-Doe Yi
Keimyung Author(s)
Kim, Ji EunYi, Sang Do
Department
Dept. of Neurology (신경과학)
Journal Title
대한신경과학회지
Issued Date
2000
Volume
18
Issue
1
Abstract
Background : The Wada test is not yet standardized among epilepsy surgery centers, which makes it difficult to discern the differences between its results. The objectives of this study were to examine the effects of memory stimulus types in the Wada test and the methods of score measurement of results. Methods : We examined the Wada test in 59 patients with temporal lobe epilepsy who had language dominancy in left hemispheres. They underwent surgical treatment and were seizure-free for at least until the 1-year follow up. The Wada test was done on the patients using three different protocols during the presurgical evaluations: 1) protocol A; sixteen cards displaying eight line drawings of common objects and eight words, 13 patients, 2) protocol B; eight line drawings of figures, 14 patients, and 3) protocol C; four line drawings of common objects and four line drawings of figures, 32 patients. Results : Thirty-three patients with RTL (right temporal lobectomy) and 26 patients with LTL (left temporal lobectomy) were not significantly different in demographic and disease characteristics such as age and sex, age at onset, risk factors before 2 years old, epilepsy duration, and Korean Wechsler Adult Intelligence Scale- IQ scores. Patients with RTL recognized significantly more words and line drawings of common objects with a right injection than those with a left injection. Patients with LTL recognized significantly more line drawings of figures and common objects following a left injection versus a right injection. Correct rates obtained through discriminant function analysis (100% (A), 64% (B) and 84% (C) ) were higher than that obtained through cutoff criteria (memory asymmetry scores ³25%: 82% (A), 62% (B) and 56% (C) ). Conclusions : Our study shows that line drawings of common objects as Wada memory stimuli are more useful for the lateralization of the epileptogenic hemisphere than line drawings of figures and words. Discriminant function analysis is also a more effective score measurement than cutoff criteria.
Alternative Title
Effective Memory Stimulus Type and Score Measurement of Wada Memory Test in Lateralization of Temporal Lobe Epilepsy
Keimyung Author(s)(Kor)
김지언
이상도
Publisher
School of Medicine
Citation
김근호 et al. (2000). 측두엽 간질 환자의 Wada 검사에서 병측 반구 진단에 유용한 기억 자극 종류와 점수 측정 방법. 대한신경과학회지, 18(1), 18–24.
Type
Article
ISSN
1225-7044
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/39142
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
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