期刊
PEDIATRIC RESEARCH
卷 89, 期 5, 页码 1200-1207出版社
SPRINGERNATURE
DOI: 10.1038/s41390-020-1030-3
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资金
- Eunice Kennedy Shriver National Institute Of Child Health & Human Development [U54 HD087011, R01 HD 057098, K02 NS089852, UL1 TR000448]
The study revealed that very preterm infants who underwent surgery requiring anesthesia during the preterm period had lower white matter volumes and worse cognitive and motor development outcomes at 2 years of age.
Background: The aim of the study was to describe and contrast the brain development and outcome among very preterm infants that were and were not exposed to surgery requiring general anesthesia prior to term equivalent age (TEA). Methods: Preterm infants born <= 30 weeks' gestation who did (n = 25) and did not (n = 59) have surgery requiring general anesthesia during the preterm period were studied. At TEA, infants had MRI scans performed with measures of brain tissue volumes, cortical surface area, Gyrification Index, and white matter microstructure. Neurodevelopmental follow-up with the Bayley Scales of Infant and Toddler Development, Third Edition was undertaken at 2 years of corrected age. Multivariate models, adjusted for clinical and social risk factors, were used to compare the groups. Results: After controlling for clinical and social variables, preterm infants exposed to surgical anesthesia demonstrated decreased relative white matter volumes at TEA and lower cognitive and motor composite scores at 2-year follow-up. Those with longer surgical exposure demonstrated the greatest decrease in white matter volumes and lower cognitive and motor outcomes at age 2 years. Conclusions: Very preterm infants who required surgery during the preterm period had lower white mater volumes at TEA and worse neurodevelopmental outcome at age 2 years.
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