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Updated: Jul 4, 2026

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
Hypertension and cerebrovascular dysfunction
Costantino Iadecola1, Robin L Davisson
1Division of Neurobiology, Department of Neurology and Neuroscience, Weill Cornell Medical College, New York, NY 10021, USA. coi2001@med.cornell.edu
Insights
Essential hypertension significantly harms the brain, causing stroke and dementia by damaging cerebral blood vessels and disrupting blood flow regulation. This review explores how high blood pressure affects brain vasculature and increases vulnerability to injury.
Area of Science:
- Neuroscience
- Cardiovascular Science
- Pathophysiology
Background:
- Essential hypertension is a major risk factor for cerebrovascular diseases, including stroke and dementia.
- Hypertension adversely affects cerebral blood vessel structure and function.
- Disruption of cerebral vasoregulation compromises brain blood supply.
Purpose of the Study:
- To review the mechanisms through which essential hypertension impacts cerebral blood vessels.
- To highlight recent advancements in understanding hypertension-induced cerebrovascular damage.
- To identify outstanding issues in the field.
Main Methods:
- Literature review of existing research on hypertension and cerebrovascular effects.
- Analysis of studies focusing on structural and functional changes in cerebral vasculature due to hypertension.
- Synthesis of current knowledge on vasoregulatory mechanisms affected by hypertension.
Main Results:
- Hypertension leads to structural alterations in cerebral arteries, such as thickening and stiffening.
- Impaired vasoreactivity and endothelial dysfunction are key consequences of hypertension.
- These vascular changes increase the brain's susceptibility to ischemic injury and neurodegenerative diseases.
Conclusions:
- Essential hypertension poses a significant threat to brain health through vascular damage.
- Understanding these mechanisms is crucial for developing effective preventative and therapeutic strategies.
- Further research is needed to address outstanding questions regarding hypertension's long-term effects on the brain.
Abstract:
Essential hypertension has devastating effects on the brain, being the major cause of stroke and a leading cause of dementia. Hypertension alters the structure of cerebral blood vessels and disrupts intricate vasoregulatory mechanisms that assure an adequate blood supply to the brain. These alterations threaten the cerebral blood supply and increase the susceptibility of the brain to ischemic injury as well as Alzheimer's disease. This review focuses on the mechanisms by which hypertension disrupts cerebral blood vessels, highlighting recent advances and outstanding issues.
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