Abstract #1965

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

Yanyan Li¹, Chao Jin¹, Xianjun Li^1,2, 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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