Abstract

Cerebral haemodynamics during the immediate transition period in neonates may differ depending on whether delivery is vaginal or by caesarean section. However, these differences have never been confirmed by near-infrared time-resolved spectroscopy (TRS). Therefore, the purpose of this study was to compare cerebral blood volume (CBV) and cerebral haemoglobin oxygen saturation (ScO2) between healthy term neonates by mode of delivery. Subjects were 31 healthy term neonates who did not require resuscitation. Thirteen neonates were delivered vaginally (VD group) and 18 were delivered by elective caesarean section (CS group). Absolute oxyhaemoglobin, deoxyhaemoglobin, and total haemoglobin concentrations were measured continuously by TRS; oxyHb × 100/totalHb (ScO2) (%) and CBV (mL/100 g brain tissue) were also calculated. Measurements were started as soon as possible after birth, obtained from 1 to 2 min after birth, and continued until 15 min after birth. CBV was significantly higher in the VD group than in the CS group in the 4 min after birth but not thereafter. There were no significant between-group differences in ScO2 and SpO2. These findings indicate that there is a difference in cerebral haemodynamic patterns in the first 4 min after delivery between term neonates by mode of delivery when CBV is monitored by TRS.

Details

Title
Cerebral hemodynamics during neonatal transition according to mode of delivery
Author
Morimoto Aya 1 ; Nakamura, Shinji 1 ; Sugino Masashiro 2 ; Koyano Kosuke 3 ; Fuke Noriko 1 ; Arioka Makoto 1 ; Nakao Yasuhiro 1 ; Mizuo Ami 1 ; Matsubara, Mari 1 ; Noguchi Yuta 1 ; Nishioka Katsufumi 1 ; Yokota Takayuki 1 ; Kato Ikuko 1 ; Konishi Yukihiko 1 ; Kondo Sonoko 1 ; Kunikata Jun 4 ; Iwase Takashi 1 ; Yasuda Saneyuki 5 ; Kusaka Takashi 1 

 Kagawa University, Department of Pediatrics, Faculty of Medicine, Kita-gun, Japan (GRID:grid.258331.e) (ISNI:0000 0000 8662 309X) 
 Shikoku Medical Center for Children and Adults, Division of Neonatology, Zentsuji, Japan (GRID:grid.472231.1) (ISNI:0000 0004 1772 315X) 
 Kagawa University, Maternal Perinatal Center, Faculty of Medicine, Kita-gun, Japan (GRID:grid.258331.e) (ISNI:0000 0000 8662 309X) 
 Kagawa University Hospital, Clinical Research Support Center, Kita-gun, Japan (GRID:grid.471800.a) 
 Kagawa University Hospital, Post Graduate Clinical Education Center, Kita-gun, Japan (GRID:grid.471800.a) 
Publication year
2021
Publication date
2021
Publisher
Nature Publishing Group
e-ISSN
20452322
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2577605037
Copyright
© The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.