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目的观察波幅整合脑电图(aEEG)诊断足月新生儿惊厥的准确性。方法对62名有惊厥表现的足月新生儿同时进行传统脑电图(cEEG)和aEEG检查,并将检查结果用不同方式进行分析。结果 cEEG检查发现的876次惊厥中,有21%是通过临床观察发现的,44.4%可由aEEG诊断,85.7%可由aEEG附加C3/C4原始图诊断。在531次发作频率超过5次/小时的惊厥中,aEEG诊断了52.5%而aEEG附加C3/C4原始图诊断了96.8%。在510次持续60秒以上的惊厥中,aEEG诊断了50.6%而aEEG附加C3/C4原始图诊断了81.4%。在中央区起源的509次惊厥中,aEEG诊断了57.9%而aEEG附加C3/C4原始图诊断了90.9%。结论结合cEEG的aEEG才能对新生儿惊厥,尤其是发作频率高、持续时间长以及中央区起源的惊厥提供更准确的诊断。
Objective To observe the accuracy of amplitude-integrated electroencephalography (aEEG) in the diagnosis of term neonates with convulsions. Methods Totally 62 full-term newborns with convulsions were subjected to conventional EEG (cEEG) and aEEG examinations, and the results were analyzed in different ways. Results Of the 876 seizures detected by cEEG, 21% were found by clinical observation, 44.4% were diagnosed by aEEG and 85.7% were diagnosed by aEEG plus C3 / C4 original map. In 531 episodes of seizures with a frequency of more than 5 beats / hour, aEEG diagnosed 52.5% and aEEG additional C3 / C4 origins diagnosed 96.8%. In 510 convulsions lasting more than 60 seconds, aEEG diagnosed 50.6% and aEEG additional C3 / C4 origins diagnosed 81.4%. Of the 509 convulsions of central origin, 57.9% were aEEG diagnosed and 90.9% were diagnosed with aEEG additional C3 / C4 origin map. Conclusions The aEEG combined with cEEG can provide a more accurate diagnosis of seizures in newborns, especially those with high seizure frequency, long duration and origin of central region.