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An assessment of white matter development in preterm infants with bronchopulmonary dysplasia using diffusion tensor imaging
WANG Yin-Juan, LIU Sha-Sha, LIU Yan-Chao, LI Xiao-Nan, ZHANG Rui-Li, XU Fa-Lin
Chinese Journal of Contemporary Pediatrics ›› 2020, Vol. 22 ›› Issue (10) : 1079-1084.
PDF(1827 KB)
PDF(1827 KB)
An assessment of white matter development in preterm infants with bronchopulmonary dysplasia using diffusion tensor imaging
Objective To assess white matter development in preterm infants with bronchopulmonary dysplasia (BPD) using fractional anisotropy (FA) and apparent diffusion coefficient (ADC) values of diffusion tensor imaging (DTI). Methods Ninety-six infants with a gestational age of ≤ 32 weeks and a birth weight of < 1 500 g who were admitted to the neonatal intensive care unit within 24 hours after birth from August 2016 to April 2019 and underwent head MRI and DTI before discharge were enrolled. According to the discharge diagnosis, they were divided into BPD group with 48 infants and non-BPD group with 48 infants. The two groups were compared in terms of FA and ADC values of the same regions of interest on DTI image. Results There were no significant differences in the incidence rates of periventricular/intraventricular hemorrhage, periventricular leukomalacia, and punctate white matter lesions between the two groups (P > 0.05). Compared with the non-BPD group, the BPD group had significantly lower FA values and significantly higher ADC values of the posterior limb of the internal capsule, the splenium of the corpus callosum, the occipital white matter, the cerebellum, and the cerebral peduncle (P < 0.05). Compared with the non-BPD group, the BPD group had a significantly higher frequency of apnea, a significantly higher proportion of infants with pneumonia or mechanical ventilation, and a significantly longer duration of assisted ventilation (P < 0.05). Conclusions BPD may has potential adverse effects to white matter development in preterm infants, leading to delayed white matter development. Therefore, it is necessary to pay attention to the neurological function of these infants.
Bronchopulmonary dysplasia / White matter development / Diffusion tensor imaging / Fractional anisotropy / Apparent diffusion coefficient / Preterm infant
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