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Perinatal hypoxia and bioelectric brain maturation of the newborn infant.

Bioelectric brain maturation of twenty infants who had suffered acute perinatal hypoxia (patients) was compared with that of twenty healthy newborns (controls). None of the patients had suffered any other pre- or perinatal complications that could have influenced the bioelectric brain maturation. All infants (postmenstrual age: 40--42 weeks) were subjected to a polygraphic recording. The patients were examined after the acute phase of their disease; all were in good clinical condition at the time of recording. Statistic evaluation revealed significantly retarded bioelectric brain maturation in the patient group. Furthermore, a more immature EEG pattern was found to correspond to greater extent of oxygen deprivation. The study shows: determination of bioelectric brain maturation can be used to obtain information about suffered hypoxia and extent of oxygen deprivation.