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  • Title: [Value of EEG in the characterization and prognosis of neurological diseases in premature infants].
    Author: Nunes ML, da Costa JC, Taufer L, da Silveira CM.
    Journal: Arq Neuropsiquiatr; 1995 Sep; 53(3-B):625-30. PubMed ID: 8585821.
    Abstract:
    The importance of the EEG for the investigation of neurological diseases in the neonatal period has been largely discussed, since it is often the only way to approach cerebral function in newborns with severe pathologies or under drug effect. The present study was carried out with 85 newborns (NB) who presented perinatal dysfunctions and were submitted to neurological and electroencephalogram (EEG) or polysomnography (PS) evaluation. EEG/PS alterations, pathologies and prognosis were reported. The EEG were classified according to basal activity alterations, presence of paroxysmal activity and sleep stages organization and maturity. The most frequent pathology was perinatal asphyxia (40%) followed by intraventricular hemorrhage (HIV, 16%). The most frequent complaint for exam indication was apnea (71%) followed by convulsion (19%). Fifty-five percent of the exams exclusively required because apnea complaint were considered normal and out of all exams required because seizures only 31% were normal. The EEG alteration most frequently related to perinatal asphyxia, HIV and intrauterine growth delay was immaturity and in the NB with seizures immature EEG and abnormal paroxysms. Many different alterations were registered in the NB with nervous system infection. The EEG findings more correlated with unfavorable prognosis were isoelectricity and abnormal paroxysmal activity including positive sharp waves (100%).
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