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J Korean Neurol Assoc. 2010;28(3):192-202.
- Predictive Factors of Neurologic Outcome in Patients With
Hypoxic-Ischemic Encephalopathy After Cardiopulmonary Resuscitation
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Youngshin Yoon
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Department of Neurology, Ewha Womans University School of Medicine and Ewha Medical Research Institute,
Seoul, Korea
- 심폐소생술 이후 발생한 저산소허혈뇌병증 환자에서
신경학적 예후에 대한 예측인자
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윤영신, 김원섭 신지수 정은혜 양혜란 최경규 박기덕 이향운
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이화여자대학교 목동병원 신경과
- Abstract
- Background
Cardiopulmonary resuscitation (CPR) can lead to various neurologic outcomes in patients with hypoxic-
ischemic encephalopathy (HIE). This study investigated the usefulness of clinical markers and electroencephalography
(EEG) in predicting the neurologic prognosis of HIE after CPR.
Methods
We reviewed the clinical findings of 51 patients with HIE, including the medical history, the duration from the
onset of symptoms to the recovery of spontaneous circulation, Glasgow Coma Scale (GCS) and Full Outline of
Unresponsiveness (FOUR) scores, and presence of seizure or status epilepticus. Patients were divided into three
outcomes groups: death, persistent vegetative state, and recovering alertness and awareness. Digital EEG and visual and
quantitative analyses were performed in each patient. For quantitative EEG (qEEG) analysis, we defined and compared
the distance in the spatial band-power patterns and phase coherence patterns between healthy normal subjects and each
patient.
Results
Patients with HIE showed a high mortality rate (54.9%, 28/51), and their neurologic prognosis was significantly
related to the initial GCS and FOUR scores. In the qEEG analysis, patients’ groups showed a prominent delta frequency
band, and the healthy normal group presented a marked alpha predominance. As the severity decreased, the similarity
in the spatial band-power pattern and functional connectivity pattern between normal subjects and patients increased.
Conclusions
Low initial GCS and FOUR scores could be predictive of a poor neurologic prognosis in patients with HIE,
and qEEG analysis might be a useful predictor of their neurologic outcomes. Key Words: Hypoxic-ischemic encephalopathy, Glasgow Coma Scale, Full Outline of Unresponsiveness score,
electroencephalogram
Keywords :
- 초록
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