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[Disentangling the differential contribution of hypertension and aging on dementia risk]

Giovanni Viscogliosi

    Recenti Progressi in Medicina
    |March 4, 2015
    PubMed

    Insights

    Cardiovascular risk factors, like hypertension, are linked to dementia. The relationship between blood pressure and cognitive decline is complex, with both high and low levels potentially being detrimental.

    Area of Science:

    • Neurology
    • Geriatrics
    • Cardiology

    Context:

    • Dementia is a leading cause of disability in older adults.
    • Current therapies do not alter dementia's disease course.
    • Cardiovascular risk factors are increasingly recognized as dementia predictors.

    Purpose:

    • To review the complex association between blood pressure and cognitive function in the elderly.
    • To highlight the challenges in establishing definitive links due to study heterogeneity.

    Summary:

    • Evidence suggests cardiovascular risk factors, particularly hypertension, predict dementia.
    • The blood pressure-dementia link is complex; both high and low levels may impair cognition.
    • Age-related vascular and cognitive changes, alongside systemic arterial aging, may confound findings.

    Impact:

    • Highlights the need for further longitudinal research to clarify blood pressure's role in dementia.
    • Emphasizes the potential for dementia prevention through population-level risk factor management.

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