Abstract

Purpose of this study was to investigate a potential correlation between the pattern of cerebral veins (CV) on susceptibility-weighted imaging (SWI) and blood oxygen saturation, as well as preoperative brain injury, in neonates with transposition of the great arteries (TGA). Eleven neonates with TGA underwent MRI preoperatively, including SWI, T1- and T2-weighted scans. Images were retrospectively evaluated and appearance of CV was graded from 0 (normal appearance) to 3 (severe prominent appearance). White matter injuries (WMI) and strokes were analysed. Results were correlated with preductal arterial oxygen saturation. As findings one subject showed a normal CV appearance (grade 0) whereas 10 showed pathological prominent CV (grades 1–3); median 2. Mean oxygen saturation ranged between 67.5% and 89.0% (median 81.0%). CV grade and mean oxygen saturation correlated significantly (p = 0.011). WMI were absent in 5 cases, mild in 4, and moderate in 2 cases. We conclude, that SWI has the potential to be used to estimate the current hypoxic burden on brain tissue in TGA newborns by assessing the prominence of the CV.

Details

Title
Decreased oxygen saturation levels in neonates with transposition of great arteries: Impact on appearance of cerebral veins in susceptibility-weighted imaging
Author
Verma, Rajeev Kumar 1 ; Keller, Desislava 2 ; Grunt, Sebastian 3 ; Bigi, Sandra 3 ; Weisstanner, Christian 2 ; Wiest, Roland 2 ; Gralla, Jan 2 ; Hutter, Damian 4 ; Wagner, Bendicht 5 

 University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, University of Bern, Bern, Switzerland; Institute of Radiology and Neuroradiology, Tiefenau Hospital, Division Stadt, Inselgroup, Bern, Switzerland 
 University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, University of Bern, Bern, Switzerland 
 University Department of Pediatrics, Division of Pediatric Neurology, Development and Rehabilitation, Inselspital, University of Bern, Bern, Switzerland 
 University Department of Pediatrics, Division of Pediatric Cardiology, Inselspital, University of Bern, Bern, Switzerland 
 University Department of Pediatrics, Division of Pediatric Intensive Care Medicine, Inselspital Bern, University of Bern, Bern, Switzerland 
Pages
1-9
Publication year
2017
Publication date
Nov 2017
Publisher
Nature Publishing Group
e-ISSN
20452322
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
1963431928
Copyright
© 2017. 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.