Vascular aspects of cognitive impairment and dementia

Maximilian Wiesmann1, Amanda J Kiliaan, Jurgen A H R Claassen

  • 11] Department of Anatomy, Radboud University Nijmegen Medical Centre, Donders Institute for Brain, Cognition and Behavior, Nijmegen, The Netherlands [2] Department of Geriatric Medicine, Radboud Alzheimer Centre, Radboud University Nijmegen Medical Centre, Donders Institute for Brain, Cognition and Behavior, Nijmegen, The Netherlands.

Insights

Controlling hypertension and stroke, key factors in cognitive decline, may reduce dementia risk. Omega-3 fatty acids and blood pressure treatments show promise in preventing vascular and Alzheimer's dementia.

Area of Science:

  • Neurology
  • Cardiovascular Health
  • Gerontology

Background:

  • Hypertension and stroke are significant risk factors for cognitive impairment and dementia, including Alzheimer's disease (AD) and vascular dementia (VaD).
  • Both AD and VaD are preceded by cognitive impairment stages, with stroke being a primary driver of vascular cognitive impairment (VCI) and VaD, and potentially predisposing to AD.
  • Hypertension, a major stroke risk factor, links to VCI and VaD, and is also an independent risk factor for AD.

Purpose of the Study:

  • To review research on the relationship between hypertension, stroke, and dementia.
  • To examine the impact of long-chain omega-3 polyunsaturated fatty acids (LC-n3-FA) and antihypertensive treatments on dementia risk factors.

Main Methods:

  • Literature review of studies investigating hypertension, stroke, cognitive impairment, and dementia.
  • Analysis of research on the effects of LC-n3-FA and renin-angiotensin system modulators on dementia risk.

Main Results:

  • Hypertension and stroke are modifiable risk factors that significantly contribute to the burden of cognitive impairment and dementia.
  • Interventions targeting hypertension and stroke, such as LC-n3-FA intake and antihypertensive therapies, may mitigate dementia risk.

Conclusions:

  • Reducing hypertension and stroke incidence is a viable strategy for lowering the prevalence of cognitive impairment and dementia.
  • LC-n3-FA and specific antihypertensive treatments show potential in reducing the risk of VCI, VaD, and AD by addressing key risk factors.

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