Cited by 64Congenital Heart Disease StudiesFetal and Pediatric Neurological DisordersNeonatal and fetal brain pathology

Single-ventricle anatomy predicts delayed microstructural brain development

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Sethi, Viyeka, Tabbutt, Sarah, Dimitropoulos, Anastasia, Harris, Kevin C., Chau, Vann, Poskitt, Kenneth, Campbell, Andrew, Azakie, Anthony +4 more·2013·Pediatric Research

Abstract

Background Term newborns with congenital heart disease (CHD) show delayed brain development as early as the third trimester, especially in single-ventricle physiology (SVP). Mechanisms causing delayed brain development in CHD are uncertain but may include impaired fetal brain blood flow. Our objective was to determine if cardiac anatomy associated with obstruction to antegrade flow in the ascending aorta is predictive of delayed brain development as measured by diffusion tensor imaging and magnetic resonance spectroscopic (MRS) imaging.Methods Echocardiograms from 36 term newborns with SVP were reviewed for the presence of aortic atresia and the diameter of the ascending aorta. Quantitative magnetic resonance imaging parameters measuring brain microstructural (fractional anisotropy (FA) and average diffusivity (Dav)) or metabolic development (N-acetylaspartate (NAA) and lactate/choline (Lac/Cho)) were recorded.Results Increasing NAA/Cho and white matter (WM) FA, and decreasing Dav and Lac/Cho characterize normal brain development. Consistent with the hypothesis that delayed brain development is related to impaired brain perfusion, smaller ascending aortic diameter and aortic atresia were associated with higher Dav and lower WM FA. Echocardiogram variables were not associated with brain metabolic measures.Conclusions These observations support the hypothesis that obstruction to fetal cerebral blood flow impairs brain microstructural development.

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Authors
Sethi, V., Tabbutt, S., Dimitropoulos, A., Harris, K. C., Chau, V., Poskitt, K., Campbell, A., Azakie, A., Xu, D., Barkovich, A. J., Miller, S. P., & McQuillen, P. S.
Affiliations
  • University of California, San Francisco (US)
  • University of British Columbia (CA)
Corresponding author
McQuillen, Patrick S.
Venue
Pediatric Research
Published
2013-02-13
Volume
73
Issue
5
Pages
661-667
ISSN
  • 0031-3998 (ISSN-L)
  • 1530-0447
OpenAlex
W1973142402
Cited by
64
References
44
Citations by year
2026: 1 · 2025: 6 · 2023: 6 · 2022: 3 · 2021: 7 · 2020: 4 · 2019: 7 · 2018: 5 · 2017: 10 · 2016: 4 · 2015: 3 · 2014: 6 · 2013: 2
FWCI
3.65
Type
journal article
Language
en
Open access
Locations
  • Pediatric Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Canadian Institutes of Health Research
  • National Institute of Neurological Disorders and Stroke (R01NS063876)
Topics
  • Health Sciences › Medicine › Epidemiology › Congenital Heart Disease Studies
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Fetal and Pediatric Neurological Disorders
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal and fetal brain pathology
Keywords
single ventricle physiology, congenital heart disease, fetal brain development, aortic atresia, ascending aortic diameter, fetal cerebral blood flow, brain microstructure, fractional anisotropy, diffusion tensor imaging, magnetic resonance spectroscopy, N-acetylaspartate, white matter development, term infants
MeSH terms
Brain, Cerebral Ventricles, Echocardiography, Female, Humans, Infant, Newborn, Male

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