Association of genetic and sulcal traits with executive function in congenital heart disease

Lara Maleyeff, Jane W. Newburger, David Wypij, Nina H. Thomas, Evdokia Anagnoustou, Martina Brueckner, Wendy K. Chung, John Cleveland, Sean Cunningham, Bruce D. Gelb, Elizabeth Goldmuntz, Donald J. Hagler, Hao Huang, Eileen King, Patrick McQuillen, Thomas A. Miller, Ami Norris-Brilliant, George A. Porter, Amy E. Roberts, P. Ellen GrantKiho Im, Sarah U. Morton

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Persons with congenital heart disease (CHD) are at increased risk of neurodevelopmental disabilities, including impairments to executive function. Sulcal pattern features correlate with executive function in adolescents with single-ventricle heart disease and tetralogy of Fallot. However, the interaction of sulcal pattern features with genetic and participant factors in predicting executive dysfunction is unknown. Methods: We studied sulcal pattern features, participant factors, and genetic risk for executive function impairment in a cohort with multiple CHD types using stepwise linear regression and machine learning. Results: Genetic factors, including predicted damaging de novo or rare inherited variants in neurodevelopmental disabilities risk genes, apolipoprotein E genotype, and principal components of sulcal pattern features were associated with executive function measures after adjusting for age at testing, sex, mother's education, and biventricular versus single-ventricle CHD in a linear regression model. Using regression trees and bootstrap validation, younger participant age and larger alterations in sulcal pattern features were consistently identified as important predictors of decreased cognitive flexibility with left hemisphere graph topology often selected as the most important predictor. Inclusion of both sulcal pattern and genetic factors improved model fit compared to either alone. Interpretation: We conclude that sulcal measures remain important predictors of cognitive flexibility, and the model predicting executive outcomes is improved by inclusion of potential genetic sources of neurodevelopmental risk. If confirmed, measures of sulcal patterning may serve as early imaging biomarkers to identify those at heightened risk for future neurodevelopmental disabilities.

Original languageEnglish
Pages (from-to)278-290
Number of pages13
JournalAnnals of Clinical and Translational Neurology
Volume11
Issue number2
DOIs
StatePublished - Feb 2024

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