Abstract:
BACKGROUND:This study aimed to assess cortical gray matter growth and maturation in neonates with congenital heart disease (CHD). METHODS:Thirty-one (near) term neonates with severe CHD (8 univentricular heart malformation (UVH), 21 d-transposition of great arteries (d-TGA) and 2 aortic coarctation) underwent cerebral MRI before (postnatal-day 7) and after (postnatal-day 24) surgery. Eighteen controls with similar gestational age had one MRI (postnatal-day 23). Cortical gray matter volume (CGM), inner cortical surface (iCS), and median cortical thickness were extracted as measures of volumetric growth, and gyrification index (GI) as measure of maturation. RESULTS:Over a median of 18 d, CGM increased by 21%, iCS by 17%, thickness and GI both by 9%. Decreased postoperative CGM and iCS were seen for CHD compared to controls (P values < 0.01), however with similar thickness and GI. UVH showed lower postoperative iCS, thickness (P values < 0.05) and GI (P value < 0.01) than d-TGA and controls. Infants requiring preoperative balloon-atrioseptostomy (BAS, 61%) had reduced postoperative CGM, iCS, and GI (P values < 0.05). CONCLUSION:Infants with severe CHD show reduced cortical volumes compared to controls with gyrification being delayed in UVH, but not in d-TGA. Infants requiring BAS show higher risk of impaired cortical volume and gyrification.
journal_name
Pediatr Resjournal_title
Pediatric researchauthors
Claessens NH,Moeskops P,Buchmann A,Latal B,Knirsch W,Scheer I,Išgum I,de Vries LS,Benders MJ,von Rhein Mdoi
10.1038/pr.2016.145subject
Has Abstractpub_date
2016-11-01 00:00:00pages
668-674issue
5eissn
0031-3998issn
1530-0447pii
pr2016145journal_volume
80pub_type
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