학술논문
滴疾患者에 對한 臨床腦波學的 診斷에 關한 研究
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- 영문명
- STUDIES ON CLINICAL ELECTROENCEPHALOGRAPHICAL DIAGNOSIS OF EPILEPSY
- 발행기관
- 대한신경정신의학회
- 저자명
- 李诛 一
- 간행물 정보
- 『신경정신의학』제14권 제1호, 100~111쪽, 전체 12쪽
- 주제분류
- 의약학 > 정신과학
- 파일형태
- 발행일자
- 1975.01.30
4,240원
구매일시로부터 72시간 이내에 다운로드 가능합니다.
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국문 초록
영문 초록
In this study, it was attempted to reveal the characteristic EEG findings of the epileptics according
to their proportion of the abnormal EEG, the distribution of basic rhythms, the responses upon the eye
opening and hyperventilation, the proportion of diagnostically significant abnormal wave pattern,
their localization, symmetry, synchrony, location, and runs of abnormal wave patterns.
Seven hundred and sixty six cases of the clinical epileptics who had undergone EEG examination
beicause of epileptic convulsion from January 1971 to July 1974 at the Chung Ang University Hospital
EEG Laboratory were included in this study.
The results were as follows:
1. Among 766 cases of the clinical epileptics, 53.7% (411 cases) of them showed abnormal EEG
findings and 45.3% (355 cases) showed normal. It was revealed that the age group of 4-15 years were
higher percentage of abnormal EEG recordings (74.4%) comparing to the age group of 31-60 years (33.6%)
female group(58.7%) comparing to male group (49.5%), and sleep recordings (67.4%) comparing to
waking recordings (50.7%).
2. In the distribution of basic rhythms among 322 cases of abnormal EEG recordings, 85. 8% of them
showed normal patterns and 14.2% showed abnormal. Among abnormal patterns, 12.7% were absence of
alpha wave, 0.9% were asymmetrical alpha wave, and 0.6% were irregular alpha wave.
In the EEG responses to eye opening test among 281 cases of abnormal EEG recordings, 81.5% of
them showed normal patterns that alpha waves were replaced by beta waves by the eye opening, and
18. 5% showed abnormal. Among abnormal patterns 11.4% were not replaced by beta wave, and 7.1%
were replaced by abnormal wave.
3. Upon the hyperventilation test among 255 cases of abnormal EEG recording, 74- 5% of them showed
abnormal and 25.5% showed normal. It was revealed that the age group of 4-15 years manifested higher
percentage of abnormal EEG recordings(80.2%) comparing to the age group of 31-60 years (67.1%).
In this result, it was concluded that hyperventilation test was most significantly useful to EEG diagnosis
of epilepsy in younger age groups comparing to older age groups.
4. As to the proportion of diagnostically significant abnormal wave patterns according to the EEG recording
of waking and hyperventilation phases, it was revealed that theta wave (19.4% of waking phase,
24-7% of hyperventilation phase), delta wave(77.6%,76.3%), beta wave(20.2%, 12.6%), sharp wave
(15.2%, 10.5%). and spike(13-4%, 8.4%) were predominantly observed.
In this study, it was also observed that delta wave and 3 cycle per second spike and wave were more
frequent by activated by hyperventilation comparing to other wave patterns.
5. The EEG analysis of localization, symmetry, synchrony, location, and runs of abnormal wave
patterns in the slow wave groups, the fast wave groups, the spike groups, or the complex groups
was revealed as follows.
a) The slow wave groups exhibited tendency to be localized, symmetrical and synchronous wave patterns,
predominantly located in frontoparietal region, and frequently showed paroxysmal burst or intermittent
runs in waking EEG and paroxysmal burst or gradual build-up in EEG activated by hyperventilation.
b) The fast wave groups exhibited tendency to be diffused, symmetrical and synchronous wave patterns,
predominantly located in frontotemporal region, and frequently showed constant runs in waking EEG and
depression burst in EEG activated by hypervenlation.
c) The spike groups exhibited tendency to be focalized, asymmetrical and asynchronous wave patterns
comparing to other abnormal wave patterns, predominantly located in frontotemporal region, and frequently
showed isolated runs in waking EEG and paroxysmal burst in EEG activated by hyperventilatio
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