Heart failure potentially affects the cortical structure of the brain

Heart failure (HF) has been reported to affect cerebral cortex structure, but the underlying cause has not been determined. This study used Mendelian randomization (MR) to reveal the causal relationship between HF and structural changes in the cerebral cortex. HF was defined as the exposure variable...

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Published in:Aging (Albany, NY.) NY.), 2024-04, Vol.16 (8), p.7357
Main Authors: Hu, Yinqin, Shi, Tianyun, Xu, Zhaohui, Zhang, Meng, Yang, Jiahui, Liu, Zhirui, Wan, Qiqi, Liu, Yongming
Format: Article
Language:English
Subjects:
Cerebral Cortex - diagnostic imaging
Cerebral Cortex - pathology
Heart Failure - genetics
Heart Failure - pathology
Humans
Magnetic Resonance Imaging
Male
Mendelian Randomization Analysis
Polymorphism, Single Nucleotide
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Summary:Heart failure (HF) has been reported to affect cerebral cortex structure, but the underlying cause has not been determined. This study used Mendelian randomization (MR) to reveal the causal relationship between HF and structural changes in the cerebral cortex. HF was defined as the exposure variable, and cerebral cortex structure was defined as the outcome variable. Inverse-variance weighted (IVW), MR-Egger regression and weighted median (WME) were performed for MR analysis; MR-PRESSO and Egger's intercept was used to test horizontal pleiotropy; and "leave-one-out" was used for sensitivity analysis. Fifty-two single nucleotide polymorphisms (SNPs) were defined as instrumental variables (IVs), and there was no horizontal pleiotropy in the IVs. According to the IVW analysis, the OR and 95% CI of cerebral cortex thickness were 0.9932 (0.9868-1.00) (P=0.0402), and the MR-Egger intercept was -15.6× 10 (P = 0.7974) and the Global test pval was 0.078. The P-value of the cerebral cortex surface was 0.2205, and the MR-Egger intercept was -34.69052 (P= 0.6984) and the Global Test pval was 0.045. HF had a causal effect on the surface area of the caudal middle frontal lobule (P=0.009), insula lobule (P=0.01), precuneus lobule (P=0.049) and superior parietal lobule (P=0.044). HF was potentially associated with changes in cortical thickness and in the surface area of the caudal middle frontal lobule, insula lobule, precuneus lobule and superior parietal lobule.
ISSN:1945-4589
1945-4589
DOI:10.18632/aging.205762