Related Experiment Video
Updated: Oct 9, 2025
Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
Vascular Cognitive Impairment (VCI)
Tatjana Rundek1, Magdalena Tolea2, Taylor Ariko2
1Department of Neurology and Evelyn F. McKnight Brain Institute, University of Miami Miller School of Medicine, Miami, FL, USA. trundek@med.mimai.edu.
Insights
Vascular cognitive impairment (VCI) is a major cause of dementia, often linked to vascular risk factors like hypertension and diabetes. Managing these risks through lifestyle changes is key for preventing and treating VCI.
Area of Science:
- Neurology
- Gerontology
- Cardiovascular Medicine
Background:
- Vascular cognitive impairment (VCI) encompasses a range of cognitive disorders, from mild impairment to vascular dementia, often resulting from cerebrovascular disease and risk factors.
- VCI accounts for a significant portion (20-40%) of dementia diagnoses, with cerebrovascular pathology being a primary contributor, often interacting with neurodegenerative conditions like Alzheimer's disease.
- Chronic age-related dysregulation of cerebral blood flow (CBF) is a common mechanism, alongside inflammation and cardiovascular dysfunction.
Purpose of the Study:
- To review recent advancements in understanding age-related VCI.
- To explore the mechanisms, diagnostic criteria, neuroimaging correlates, and vascular risk determinants of VCI.
- To summarize current intervention strategies for VCI prevention and treatment.
Main Methods:
- Literature review of recent developments in VCI.
- Analysis of studies on VCI mechanisms, diagnostics, and neuroimaging.
- Examination of research on vascular risk factors and intervention strategies.
Main Results:
- Midlife vascular risk factors (hypertension, high cholesterol, diabetes, smoking) significantly predict later-life cognitive impairment and dementia.
- Each risk factor is associated with a 20-40% increased risk of dementia.
- Multimodality strategies, including lifestyle modifications, show promise for VCI prevention and treatment.
Conclusions:
- Vascular risk factor management, particularly through lifestyle interventions, is the most promising approach for VCI prevention and treatment.
- Understanding the interplay between vascular and neurodegenerative pathologies is crucial for comprehensive dementia care.
- Continued research into VCI mechanisms and effective interventions is essential.
Abstract:
Vascular cognitive impairment (VCI) is predominately caused by vascular risk factors and cerebrovascular disease. VCI includes a broad spectrum of cognitive disorders, from mild cognitive impairment to vascular dementia caused by ischemic or hemorrhagic stroke, and vascular factors alone or in a combination with neurodegeneration including Alzheimer's disease (AD) and AD-related dementia. VCI accounts for at least 20-40% of all dementia diagnosis. Growing evidence indicates that cerebrovascular pathology is the most important contributor to dementia, with additive or synergistic interactions with neurodegenerative pathology. The most common underlying mechanism of VCI is chronic age-related dysregulation of CBF, although other factors such as inflammation and cardiovascular dysfunction play a role. Vascular risk factors are prevalent in VCI and if measured in midlife they predict cognitive impairment and dementia in later life. Particularly, hypertension, high cholesterol, diabetes, and smoking at midlife are each associated with a 20 to 40% increased risk of dementia. Control of these risk factors including multimodality strategies with an inclusion of lifestyle modification is the most promising strategy for treatment and prevention of VCI. In this review, we present recent developments in age-related VCI, its mechanisms, diagnostic criteria, neuroimaging correlates, vascular risk determinants, and current intervention strategies for prevention and treatment of VCI. We have also summarized the most recent and relevant literature in the field of VCI.
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