Abstract
Objective To study the clinical value of video-electroencephalogram (VEEG) on the diagnosis and prognosis of neonatal seizure. Method From January 2016 to December 2017, the medical records of 118 neonates who had seizure and received VEEG in our hospital were collected. The results of VEEG and medical records were analyzed using χ2 test, Fisher′s exact test or rank sum test. Result Among the 118 neonates, 94 cases(79.6%) had abnormal VEEG results, including 59 mildly abnormal cases, 21 moderately abnormal cases, and 14 severely abnormal cases. The characteristics of mildly abnormal VEEG was delayed mature, and moderately and severely abnormal VEEG were paroxysmal abnormal activities. All of the severely abnormal VEEGs showed abnormal background activities. The incidence of abnormal background activities of severely abnormal group was higher than mildly and moderately abnormal group, the difference was significant (P<0.001). Neonates with abnormal background activities had higher rates of epileptic seizure and delayed maturation than those with normal background, and the differences were significant (P<0.001). Among 32 neonates with paroxysmal events, 17 cases had non-epileptic events including subtle seizures, myoclonus seizures, and symmetrical tonic seizures; 15 cases had epileptic electrographic seizures and electro-clinical seizures, 12 cases had focal seizures. The degree of abnormal VEEG had positive correlations with the incidences of epileptic seizures and delayed maturation (P<0.001). Conclusion Neonates with seizure has higher rate of abnormal VEEG. Non-epileptic events presents as subtle seizures and myoclonus seizures, and epileptic seizures as focal seizures. The background activities of neonatal VEEG has important predictive value for prognosis. The worse the VEEG is, the higher the possibility of epileptic seizure and delayed maturation. Key words: Neonatal seizure; Video-electroencephalogram; Paroxysmal events; Prognosis
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