ArticleCNS neuroscience & therapeutics2026
Accelerated Biological Aging, Neurodegenerative Disease, and Mortality in Cardiovascular Disease Patients: Mediation and Modification Analysis.
Article in CNS neuroscience & therapeutics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimsCardiovascular disease (CVD) patients exhibit increased neurodegenerative diseases and mortality risks, implying a shared heart-brain aging pathway. As a composite biological aging predictor, the association of Phenotypic age (PhenoAge) with mortality and the mediating role of brain health remain unclear in CVD patients.
methodsIn 4104 CVD patients (57.3% male, mean age 67.3 years) from the National Health and Nutrition Examination Survey (median follow-up of 7.2 years), weighted regression models examined associations of PhenoAge and its acceleration with Alzheimer's disease (AD), Parkinson's disease (PD), and mortality. Mediation effects of the association between PhenoAge and mortality explained by AD and PD were quantified.
resultsThe mean PhenoAge was 69.9 years, and AD and PD prevalences were 7.6% and 1.8%. Each 5-year increment of PhenoAge acceleration independently increased risks of AD (OR = 1.24; 95% CI:1.13,1.36), PD (OR = 1.22; 95% CI:1.02,1.46), and all-cause mortality (HR = 1.30; 95% CI:1.24,1.36). AD and PD mediated 20.46%-33.18% of the association between PhenoAge and mortality. Early-onset CVD amplified biological aging-related mortality risk, while a healthier lifestyle attenuated the CVD mortality risk (P
conclusionAccelerated biological aging was associated with adverse brain health outcomes and mortality in CVD patients, with AD and PD as significant mediators. PhenoAge assessment may identify high-risk individuals for personalized heart-brain aging prevention.
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