AI Article Synopsis
- - The study investigates the correlation between immature EEG patterns and neurodevelopment in small-gestational-age (SGA) full-term infants, comparing them to appropriate-gestational-age (AGA) infants.
- - 50 SGA and 44 AGA neonates underwent continuous video-EEG monitoring, with subsequent assessments of their motor, cognitive, and language development at 2 years old using the Bayley-III-Scales.
- - Results indicate that SGA infants exhibited more immature EEG patterns, and several EEG characteristics were linked to lower developmental scores, suggesting a connection between low birthweight and neurological development issues.
Article Abstract
Background: Delayed brain function development in small-gestational-age (SGA) infants has been reported. We aimed to quantify rates of immature neonatal EEG patterns and their association with neurodevelopment in SGA full-term neonates.
Methods: Using a cohort design, 50 SGA (birthweight <10th percentile) and 44 appropriate-gestational-age (AGA) term neonates underwent continuous video-EEG recordings lasting >3 h. Seventy-three of them were assessed at 2-years-old using Bayley-III-Scales. For EEG analysis, several segments of discontinuous/alternating EEG tracings were selected.
Main Outcomes Measured: (1) Visual analysis (patterns of EEG maturity); (2) Power spectrum in δ, θ, α and β frequency bands; and (3) scores in motor, cognitive and language development.
Results: (1) SGA infants, compared to AGA, showed: (a) higher percentages of discontinuous EEG, both asynchrony and interhemispheric asymmetry, and bursts with delta-brushes, longer interburst-interval duration and more transients/hour; (b) lower relative power spectrum in δ and higher in α; and (c) lower scores on motor, language and cognitive neurodevelopment. (2) Asymmetry >5%, interburst-interval >5 s, discontinuity >11%, and bursts with delta-brushes >11% were associated with lower scores on Bayley-III.
Conclusions: In this prospective study, SGA full-term neonates showed high rates of immature EEG patterns. Low-birthweight and immaturity EEG were both correlated with low development scores.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7326702 | PMC |
| http://dx.doi.org/10.1038/s41390-019-0693-0 | DOI Listing |
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