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Abstract #1965

Is it well-thought-out to scan the preterm neonates at term-equivalent gestational age?

Yanyan Li1, Chao Jin1, Xianjun Li1,2, Miaomiao Wang1, Jie Gao1, Qinli Sun1, and Jian Yang1

1Department of Radiology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi'an, China, People's Republic of, 2Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China, People's Republic of

Considering the extra-environmental associated effects on brain development, it may be unreasonable to scan preterm infants at term-equivalent GA. To clarify this, we aim to explore the effects of postnatal days on neonatal WM maturation by DTI. Results indicate that postnatal days at-scan may be a considerable factor to investigate the WM maturation: during a close to in-uterine period, the absent effects of postnatal days may suggest the reasonability of performing neonatal MR-scans in such period; while as postnatal days increases, observed FA changes may imply the bias of comparing the preterm neonates at term-equivalent GA to term ones.

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