Publications by authors named "C Dreyfus-Brisac"

Twenty full term infants who had birth asphyxia were studied. These infants were in a comatose state for 4 to 15 days and at least 3 EEG recordings were performed during this period. Six infants recovered without sequelae and in 2 cases there were minor abnormalities.

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Electro-clinical seizures or electrical discharges are described in fifty premature infants divided in two groups: group A (GA twenty-six to thirty-two weeks) = thirty cases - group B (GA thirty-three to thirty-six wks) = twenty cases. In both groups, electrical discharges were shorter than electro-clinical seizures; during seizures ocular manifestations were frequent; bradycardia occurred only in group A. Discharges were associated with other abnormalities (absence of normal EEG pattern, presence of rolandic positive spikes) more frequently in group B than in group A; they occurred without clinical manifestations or coma in nine cases.

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We describe two types of electropositive rolandic sharp waves (PRS) in EEGs of premature infants with markedly different prognostic implications. Type A occurs singly and is clearly distinguished from the background activity; type B appears in bursts and blends somewhat with the background. Among neonates recorded at less than 35 weeks' conceptional age, 21% of those with type A only had normal neurological examinations or only minor sequelae at age 2 years.

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Airflow (V), tidal volume (TV), and EEG polygraphic recordings were performed in 30 normal full-term newborns (FTN) and in 10 premature newborns (PN). Besides the classical expiratory flow (CEF), a retarded expiratory flow (REF) was observed: a phase of slow flow ending with a sharp increase. REF was mostly encountered in quiet sleep (QS) in FTN.

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