ArticleAge and ageing2025
The association of retinal vessel calibre, white matter hyperintensities and cognitive decline in community-dwelling older adults.
Article in Age and ageing, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Retinal microvascular dysfunction in mild cognitive impairment: Associations with cerebral small vessel disease, plasma biomarkers, and cognitive decline.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
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20 authors.
Funding
Abstract
backgroundRetinal vessel calibres (RVCs) are non-invasive markers of microvascular health and may serve as accessible indicators of cerebral small vessel disease (CSVD) and future cognitive impairment. This study examines whether RVCs are associated with cognitive decline, and how these associations compare with those observed for white matter hyperintensities (WMH), a known marker of CSVD.
methodsData were analysed from community-dwelling participants aged 70+ in the ASPREE trial and sub-studies, free of dementia and cardiovascular disease at baseline. RVCs were measured from fundus photography and WMH volumes from 3 T magnetic resonance imaging. Covariate-adjusted linear mixed-effects models assessed cognitive trajectories relative to baseline RVCs and WMH volumes. Cross-sectional associations between baseline RVCs and WMHs were examined via linear regression.
resultsThis study included 3540 participants with RVC data and 489 with WMH data (median [IQR] age: 73.2 [71.4-76.3] and 72.5 [71.2-75.4] years; female: 52.9% and 47.6%) over a median follow-up of 7.4 [IQR 5.5-8.5] and 3.8 [IQR 2.9-5.3] years, respectively. Baseline RVCs were not significantly associated with cognitive trajectories nor with baseline WMHs. Larger baseline WMH volumes were associated with greater global (Modified Mini-Mental State Examination) decline (mean 0.40 points/year; 95% CI 0.57, 0.22) and declines in delayed memory (HVLT-r) (-0.13 [-0.22, -0.04]), psychomotor function (Symbol Digit Modalities Test) (-0.29 [-0.52, -0.07]) and to a lesser extent, executive function (Controlled Oral Word Association Test) (-0.09 [95% CI -0.22, 0.03]).
conclusionIn contrast to WMH volumes, RVCs were not associated with cognitive decline. Exploring longitudinal changes in a broader range of retinal and brain biomarkers may provide deeper insights into the relationship between ocular and cerebral biomarkers in CSVD and clinical outcomes.
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