期刊
BRAIN COMMUNICATIONS
卷 3, 期 1, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/braincomms/fcaa224
关键词
diffusion tensor imaging; congenital heart disease; executive function; cognition; white matter microstructure
资金
- Swiss Heart Foundation
- Maxi Foundation
- Olga-Mayenfisch Foundation
Adults with congenital heart disease exhibit alterations in white matter microstructure, primarily found in patients with moderate to severe complexity. These alterations are associated with impairments in executive functioning.
Adults with congenital heart disease are at risk for persisting executive function deficits, which are known to affect academic achievement and quality of life. Alterations in white-matter microstructure are associated with cognitive impairments in adolescents with congenital heart disease. This study aimed to identify microstructural alterations potentially associated with executive function deficits in adults with congenital heart disease. Diffusion tensor imaging and tract-based spatial statistics were conducted in 45 patients (18 females) and 54 healthy controls (26 females) aged 18-32 years. Fractional anisotropy of white matter diffusion was compared between groups and correlated with an executive function score, derived from an extensive neuropsychological test battery. Patients showed widespread bilateral reduction in fractional anisotropy (P<0.05, multiple comparison corrected) compared to controls. Lower fractional anisotropy was driven by patients with moderate and severe defect complexity (compared to controls: P<0.001). Executive function scores were lower in patients (P<0.05) and associated with lower fractional anisotropy in the left superior corona radiata and the corticospinal tract (corrected P<0.05). Our findings confirm alterations of white matter microstructure in adults with congenital heart disease, mainly in those patients of moderate to severe complexity. These alterations are associated with impairments in executive functioning. A better understanding of the neurocognitive deficits may help counselling and care of patients with congenital heart disease across their lifespan and have the potential to improve their outcome and quality of life.
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