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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
07:30

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

Published on: April 23, 2021

Hypertension and dementia

Michiaki Nagai1, Satoshi Hoshide, Kazuomi Kario

  • 1Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, Tochigi, Japan.

American Journal of Hypertension
|November 21, 2009
PubMed

Insights

Hypertension is a significant risk factor for cognitive decline, including Alzheimer's disease and vascular dementia. Managing blood pressure may help prevent dementia and cognitive impairment.

Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Gerontology

Background:

  • Hypertension is a known cause of vascular dementia (VaD).
  • Emerging evidence links hypertension to Alzheimer's disease (AD) and mild cognitive impairment (MCI) pathogenesis.
  • Disrupted diurnal blood pressure (BP) variation correlates with cognitive impairment, potentially through small cerebral artery damage.

Purpose of the Study:

  • To review the role of hypertension as a risk factor for cognitive impairment.
  • To summarize current knowledge on ambulatory BP monitoring (ABPM) and cognitive impairment.
  • To provide an overview of antihypertensive therapy's impact on dementia prevention.

Main Methods:

  • Literature review of studies on hypertension, cognitive impairment, and dementia.
  • Analysis of findings relating ambulatory BP monitoring to cognitive function.
  • Synthesis of evidence from clinical trials on antihypertensive therapy and cognitive outcomes.

Main Results:

  • Long-standing hypertension is associated with brain atrophy and white matter lesions (WMLs).
  • BP-lowering treatments have shown potential in reducing dementia risk and cognitive decline.
  • ABPM provides insights into BP variations linked to cognitive impairment.

Conclusions:

  • Hypertension is a critical modifiable risk factor for various forms of cognitive impairment and dementia.
  • Ambulatory BP monitoring is valuable for assessing BP-related cognitive risks.
  • Antihypertensive therapy may play a crucial role in dementia prevention strategies.

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