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Neurological Disease Mechanisms and Treatments / Cerebrovascular and Genetic Disorders · Journal article
npj Dementia · September 2, 2026
A consensus or society position rather than new primary data.
This narrative review synthesizes current understanding of vascular dementia as a heterogeneous group of mechanistically convergent disorders driven by vascular injury, blood–brain barrier disruption, and neuroinflammation. It emphasizes that VaD is largely preventable through modification of cardiovascular risk factors (hypertension, diabetes, obesity) and highlights emerging therapeutic targets including endothelial dysfunction, neuroinflammation, and metabolic stress.
Narrative review. Global populations affected by dementia; emphasis on aging populations at risk for vascular contributions to cognitive decline..
Vascular dementia accounts for roughly 20% of all dementia cases worldwide VaD arises from diverse etiologies including small-vessel and large-artery disease, chronic cerebral hypoperfusion, and hereditary arteriopathies such as CADASIL Epidemiologic evidence consistently links VaD risk to modifiable cardiovascular and metabolic disorders, most notably hypertension, diabetes, and obesity
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Clinicians should recognize vascular dementia as largely preventable through aggressive management of cardiovascular risk factors. The review supports screening for and controlling hypertension, diabetes, and obesity as key preventive strategies, and identifies emerging therapeutic targets for future intervention development.
A narrative review synthesizing mechanistic, epidemiologic, and translational evidence on vascular dementia pathways and prevention strategies, without new primary data or clinical trial results.
As stated by the source record.
Quoted from the source exactly as published.
Clinicians should recognize vascular dementia as largely preventable through aggressive management of cardiovascular risk factors. The review supports screening for and controlling hypertension, diabetes, and obesity as key preventive strategies, and identifies emerging therapeutic targets for future intervention development.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
Dementia affects over 55 million individuals worldwide, and its prevalence is projected to triple by 2050. Vascular dementia (VaD) is the second most common cause of cognitive impairment after Alzheimer’s disease (AD), accounting for roughly 20% of all cases. VaD represents a heterogeneous yet mechanistically convergent group of disorders in which vascular injury, blood–brain barrier (BBB) disruption, and neuroinflammation synergistically drive progressive cognitive decline. It arises from diverse etiologies including small-vessel and large-artery disease, chronic cerebral hypoperfusion, and hereditary arteriopathies such as CADASIL, but converges on shared downstream pathways that impair cerebral perfusion, white-matter integrity, and neuronal connectivity. As the global burden of cardiovascular disease rises, vascular contributions to dementia are expected to increase disproportionately, particularly in aging populations. Importantly, epidemiologic evidence consistently links VaD risk to modifiable cardiovascular and metabolic disorders, most notably hypertension, diabetes, and obesity, underscoring its largely preventable nature. Advances in single-cell and spatial transcriptomics, vascularized human brain organoids, and experimental models have revealed how endothelial senescence, oxidative stress, impaired glymphatic clearance, and immune dysregulation disrupt the neurovascular unit. Furthermore, mounting evidence supports bidirectional interactions between vascular injury and amyloid-β and tau pathology, suggesting shared mechanisms between VaD and AD. This Review synthesizes current mechanistic, epidemiologic, and translational insights into vascular contributions to cognitive decline. By emphasizing the interplay between systemic vascular health and brain resilience, we highlight opportunities to target endothelial dysfunction, neuroinflammation, and metabolic stress as promising strategies for prevention and therapy of vascular dementia.
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