Outcome prediction by amplitude-integrated EEG in adults with hypoxic ischemic encephalopathy

医学 缺氧缺血性脑病 脑病 脑电图 结果(博弈论) 振幅 缺氧(环境) 心脏病学 麻醉 听力学 内科学 精神科 氧气 物理 化学 数学 数理经济学 有机化学 量子力学
作者
Ge Tian,Kun Qin,Yongming Wu,Zhong Ji,Jingxin Wang,Suyue Pan
出处
期刊:Clinical Neurology and Neurosurgery [Elsevier BV]
卷期号:114 (6): 585-589 被引量:8
标识
DOI:10.1016/j.clineuro.2011.12.011
摘要

Amplitude-integrated electroencephalography (aEEG) had been widely used in predicting outcome in infants with hypoxic ischemic encephalopathy (HIE). We aimed to evaluate the use of aEEG as a quantitative predictor of outcome in adult patients with HIE. aEEG and Glasgow coma scale (GCS) were recorded for patients with HIE within 72 h of onset. aEEG traces were categorized as Grade I (normal amplitude): upper margin of aEEG activity >10 μV, lower margin >5 μV; Grade II (moderately abnormal amplitude): upper margin of aEEG activity >10 μV, lower margin ≤5 μV, or with suppressed amplitude, upper margin ≤10 μV, lower margin >5 μV; Grade III (mild abnormality): either upper margin <10 μV, lower margin <5 μV. GCS was graded as I (9–14), grade II (4–8), or grade III (3). Cerebral performance category scores (CPCs) were determined 1 and 3 month after clinical evolution. CPC 1,2 were defined as favorable outcome; CPC 3,4,5 were considered as poor outcome. 30 cases met inclusion criteria. Both the aEEG grade and GCS scores correlated significantly with short-term outcome, and cases with a worse aEEG grade were more likely to have an unfavorable short-term outcome. Since the number of patients is really too small for long-term outcome analysis, we did not perform the analysis of aEEG, GCS and longer-term outcome. There was significant difference of clinical findings among aEEG classifications, while no statistical difference was found of causes of HIE. aEEG is a reliable predictor of short-term outcome in HIE, and aEEG results within 72 h after onset were associated with neurodevelopmental outcome at 1 mo following clinical evolution.
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