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Updated: Jun 22, 2026

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
[Hypertension and the brain]
Hanne Christensen1, Svend Strandgaard
1Neurologisk Afdeling N, Bispebjerg Hospital, DK-2400 København NV. hc04@bbh.regionh.dk
Insights
Hypertension significantly increases stroke and dementia risk. While drug choice matters for secondary stroke prevention, effectively lowering blood pressure is paramount for all patients.
Area of Science:
- Neurology
- Cardiovascular Medicine
- Gerontology
Context:
- Hypertension is a primary modifiable risk factor for cerebrovascular diseases like stroke and dementia.
- Cerebral resistance vessels undergo pathological remodeling due to hypertension, reducing tolerance to hypotension.
- Existing research indicates varying efficacy of antihypertensives in stroke prevention.
Purpose:
- To analyze the role of hypertension in cerebral vascular remodeling and its impact on stroke and dementia.
- To compare the effectiveness of different antihypertensive drug classes in primary and secondary stroke prevention.
- To emphasize the critical importance of blood pressure reduction over specific drug selection.
Summary:
- Hypertension-induced cerebral vascular remodeling impairs autoregulation, increasing susceptibility to both ischemic and hemorrhagic events.
- Beta-blockers show inferior outcomes in primary stroke prevention compared to other antihypertensive classes.
- Angiotensin-converting enzyme inhibitors (ACE-inhibitors) and angiotensin receptor blockers (ARBs) are recommended for secondary stroke prevention, but overall blood pressure control is key.
Impact:
- Highlights the critical need for effective hypertension management to mitigate stroke and dementia risk.
- Provides guidance on antihypertensive drug selection for primary and secondary stroke prevention.
- Underscores that achieving target blood pressure levels is more crucial than the specific drug class used.
Abstract:
Hypertension is a major and modifiable risk factor of stroke and dementia. Hypertension causes remodelling of the cerebral resistance vessels, impairing their tolerance to very low blood pressure. In primary prevention of stroke, the effect of beta-blockers is inferior to other classes of antihypertensives. In secondary prevention of stroke, ACE-inhibitors and angiotensin blockers may be recommended as first choice drugs. Lowering of the blood pressure is, however, more important than the choice of drug.
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