Objective To identify the changes in the electroencephalography (EEG) background activities in asphyxiated neonates and to determine the prognostic value of these changes in neurological outcomes.Methods A total of 46...Objective To identify the changes in the electroencephalography (EEG) background activities in asphyxiated neonates and to determine the prognostic value of these changes in neurological outcomes.Methods A total of 46 asphyxiated neonates and 31 healthy newborns were studied using standard EEG.Forty-three neonates from the asphyxiated group were followed up and had neurological examinations and developmental assessments at 3,6,9 and 12 months of age.The parameters that had prognostic significance were statistically analyzed,and the correlations of these parameters with neurological outcome were estimated.Results ①Significant EEG changes were found in asphyxiated neonates:a longer maximum duration of interburst interval,lower amplitudes during all states,and a higher incidence of brief burst and sleep-wake cycle disturbance.②There were significant correlations between hypoxic-ischemic encephalopathy (HIE) classification,debased amplitude,positive spikes and sharp waves,and abnormal sleep cycles.③Gestational age,birth weight,EEG amplitude,severity of HIE,occurrence of sleep-wake cycle disturbance,and imaging abnormality were found to be important markers for predicting the outcome of neonates with asphyxia.Conclusion The study suggested that changes in the EEG background activities correlated with the prognosis of neonates with asphyxia.EEG is an effective tool for predicting the neurologic outcome of asphyxiated newborns.展开更多
文摘Objective To identify the changes in the electroencephalography (EEG) background activities in asphyxiated neonates and to determine the prognostic value of these changes in neurological outcomes.Methods A total of 46 asphyxiated neonates and 31 healthy newborns were studied using standard EEG.Forty-three neonates from the asphyxiated group were followed up and had neurological examinations and developmental assessments at 3,6,9 and 12 months of age.The parameters that had prognostic significance were statistically analyzed,and the correlations of these parameters with neurological outcome were estimated.Results ①Significant EEG changes were found in asphyxiated neonates:a longer maximum duration of interburst interval,lower amplitudes during all states,and a higher incidence of brief burst and sleep-wake cycle disturbance.②There were significant correlations between hypoxic-ischemic encephalopathy (HIE) classification,debased amplitude,positive spikes and sharp waves,and abnormal sleep cycles.③Gestational age,birth weight,EEG amplitude,severity of HIE,occurrence of sleep-wake cycle disturbance,and imaging abnormality were found to be important markers for predicting the outcome of neonates with asphyxia.Conclusion The study suggested that changes in the EEG background activities correlated with the prognosis of neonates with asphyxia.EEG is an effective tool for predicting the neurologic outcome of asphyxiated newborns.
