Cited by 10Congenital Heart Disease StudiesAdvanced Neuroimaging Techniques and ApplicationsFetal and Pediatric Neurological Disorders

Abnormal Interhemispheric Connectivity in Neonates with D-Transposition of the Great Arteries Undergoing Cardiopulmonary Bypass Surgery

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Makki, M., Scheer, I., Hagmann, C., Liamlahi, R., Knirsch, W., Dave, H., Bernet, V., Batinic, K. +1 more·2013·American Journal of Neuroradiology

Abstract

BACKGROUND AND PURPOSE: Neonates with severe CHD require CPB within the first days of life. White matter injury can occur before surgery, and this may impair the long-term neurodevelopmental and psychosocial outcome. The purpose of this study was to assess the microstructural development of the CC in infants with CHD before and after CPB for transposition of the great arteries. MATERIALS AND METHODS: Fifteen patients with CHD and 11 age-matched HC were recruited. We separately quantified the parallel (E1) and perpendicular (E23) diffusions, the ADC, and FA of the genu of the CC and splenium of the CC before and after surgery. RESULTS: In presurgical measures of the genu of the CC, higher E23 (P = .018), higher ADC (P = .026), and lower FA (P = .033) values were measured compared with those in HC. In the postsurgery scans, the genu of the CC had higher E23 (P = .013), higher ADC (P = .012), and lower FA (P = .033) values compared with those in HC. There was no significant difference in any DTI indices between the pre- and postsurgical groups. CONCLUSIONS: We report abnormal microstructural development in the genu of the CC of infants with d-TGA before and after CPB. High E23, high ADC, and low FA values in the genu of the CC may be explained by abnormal axonal pruning, thinner myelin sheaths, smaller axonal diameters, or more oligodendrocytes. It appears that the genu of the CC is more vulnerable than the splenium of the CC in patients with CHD and may serve as a biomarker to identify infants at highest risk for adverse neurodevelopmental outcome.

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Authors
Makki, M., Scheer, I., Hagmann, C., Liamlahi, R., Knirsch, W., Dave, H., Bernet, V., Batinic, K., & Latal, B.
Affiliations
  • University Children's Hospital Zurich (CH)
  • University Hospital Zurich (CH)
Venue
American Journal of Neuroradiology
Published
2012-10-04
Volume
34
Issue
3
Pages
634-640
ISSN
  • 0195-6108 (ISSN-L)
  • 1936-959X
OpenAlex
W2152762885
Cited by
10
References
34
Citations by year
2020: 1 · 2019: 2 · 2017: 2 · 2015: 2 · 2014: 1 · 2013: 2
FWCI
1.20
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • American Journal of Neuroradiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Congenital Heart Disease Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Fetal and Pediatric Neurological Disorders
Keywords
d-transposition of the great arteries, congenital heart disease, cardiopulmonary bypass, neonates, corpus callosum, splenium of corpus callosum, white matter microstructure, diffusion tensor imaging, axonal pruning, myelination, neurodevelopmental outcomes
MeSH terms
Abnormalities, Multiple, Cardiopulmonary Bypass, Female, Humans, Infant, Newborn, Male, Nerve Fibers, Myelinated, Sensitivity and Specificity, Transposition of Great Vessels, Reproducibility of Results, Diffusion Tensor Imaging, Agenesis of Corpus Callosum, Connectome

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