IMR Press / CEOG / Volume 48 / Issue 2 / DOI: 10.31083/j.ceog.2021.02.2249
Open Access Original Research
Gestational age affects the cerebellum development in neonatal infants: establishment of cerebellar extrauterine reference values as a function of gestational age
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1 Department of Neonatology, Cangzhou People’s Hospital, 061000 Cangzhou, Hebei, China
2 Department of Obstetrics, Cangzhou People’s Hospital, 061000 Cangzhou, Hebei, China
3 Department of Ultrasonography, Cangzhou People’s Hospital, 061000 Cangzhou, Hebei, China
*Correspondence: liuruike2020@sina.com (Rui-Ke Liu); drjoan2008@sina.com (Gui-Fang Li)
These authors contributed equally.
Clin. Exp. Obstet. Gynecol. 2021, 48(2), 395–401; https://doi.org/10.31083/j.ceog.2021.02.2249
Submitted: 4 August 2020 | Revised: 8 November 2020 | Accepted: 9 November 2020 | Published: 15 April 2021
Copyright: © 2021 The Authors. Published by IMR Press.
This is an open access article under the CC BY 4.0 license (https://creativecommons.org/licenses/by/4.0/).
Abstract

This study aims to provide the cerebellar extrauterine reference value related to gestational age by analysing the neonatal cerebellum development with different gestational age, by means of cranial ultrasound. A total of 376 eligible cranial ultrasound images of neonates with gestational age of 25 to 41 weeks were selected. Transverse cerebellar diameter, vermis height, vermis diameter, vermis circumference, vermis area and vermis eccentricity ratio were measured and followed by statistical analysis. Transverse cerebellar diameter formed a linear equation with the gestational age, which was Y = 0.104X + 0.176, R2 = 0.735 (P < 0.001). Vermis height formed a linear equation with the gestational age, which was Y = 0.069X - 0.328, R2 = 0.825 (P < 0.001). Vermis diameter formed a linear equation with the gestational age, which was Y = 0.051X - 0.604, R2 = 0.749 (P < 0.001). Vermis circumference formed a linear equation with the gestational age, which was Y = 0.284X - 1.709, R2 = 0.788 (P < 0.001). Vermis area formed a linear equation with the gestational age, which was Y = 0.227X - 4.445, R2 = 0.82 (P < 0.001). Vermis eccentricity ratio formed a linear equation with the gestational age, which was Y = -0.01X + 0.909, R2 = 0.142 (P < 0.001). The positive correlation between vermis height and gestational age was the strongest (r = 0.908, P < 0.001). The results provided that the cerebellar extrauterine reference range, between transverse cerebellar diameter, vermis height, vermis diameter, vermis circumference, vermis area, vermis eccentricity ratio of neonates of appropriate for gestational age. Gestational age is helpful for clinical diagnosis and evaluation of cerebellum growth and development of newborns.

Keywords
Cerebellum
Cranial ultrasound
Neonatal infants
Gestational age
Funding
20200173/Foundation of Health Commission of Hebei Province
Figures
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