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Updated: Feb 8, 2026

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Published on: April 23, 2021

Subcortical ischemic cerebrovascular dementia.

Uma Menon¹, Roger E Kelley

¹Department of Neurology, LSU Health Sciences Center, Shreveport, Louisiana 71103, USA.

International Review of Neurobiology

|June 9, 2009

Summary

Subcortical ischemic cerebrovascular dementia is poorly understood, with lesion load and multifactorial influences impacting cognitive function. Further research is needed to clarify the relationships between vascular lesions, cognitive decline, and dementia.

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Area of Science:

Neurology
Neuroimaging
Geriatrics

Background:

Aging is associated with subcortical white matter and periventricular signal intensity changes on MRI.
Risk factors like hypertension, smoking, diabetes, and hyperlipidemia accelerate these changes, indicative of small vessel cerebrovascular disease.
The clinical significance of these changes, particularly their impact on functional ability, remains a key question.

Purpose of the Study:

To review current information on subcortical ischemic cerebrovascular dementia (SICVD).
To explore the relationship between subcortical vascular lesions and cognitive impairment.
To understand the multifactorial influences on the phenotypic expression of SICVD.

Main Methods:

Review of existing literature on cerebral insults, cognition, and dementia.
Analysis of MRI findings, including signal intensity changes and lesion load.
Correlative pathology assessment, considering factors like cortical atrophy and ventricular dilatation.

Main Results:

Subcortical lacunar infarcts can present with specific clinical syndromes (e.g., pure motor hemiparesis).
Functional impairment is influenced by baseline cognitive function, age, and lesion burden.
Small vessel cerebrovascular disease may contribute to various dementia types, including Alzheimer's disease and fronto-temporal dementia.

Conclusions:

The concept of lesion load is crucial for assessing functional compromise from ischemic cerebrovascular changes.
Multifactorial issues, including genetics, contribute to the presentation of SICVD.
The precise relationships between cognitive impairment, dementia, and subcortical vascular lesions require further investigation.