Abstract
Background
Normal intrauterine conditions are essential to normal brain growth and development; premature birth and growth restriction can interrupt brain maturation. Maturation processes can be studied using diffusion tensor imaging.
Objective
The aim of this study was to use tract-based spatial statistics to assess the effect that early postnatal growth from birth to 40 gestational weeks has on brain white matter maturation.
Materials and methods
A total of 36 preterm infants were accepted in the study. Postnatal growth was assessed by weight, length and head circumference. Birth weight z-score and gestational age were used as confounding covariates.
Results
Head circumference catch-up growth was associated with less mature diffusion parameters (P < 0.05). No significant associations were observed between weight or length growth and diffusion parameters.
Conclusion
Growth-restricted infants seem to have delayed brain maturation that is not fully compensated at term, despite catch-up growth.
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Lepomäki, V., Leppänen, M., Matomäki, J. et al. Preterm infants’ early growth and brain white matter maturation at term age. Pediatr Radiol 43, 1357–1364 (2013). https://doi.org/10.1007/s00247-013-2699-9
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DOI: https://doi.org/10.1007/s00247-013-2699-9