Prevention of Dementia by Intensive Vascular Care (PreDIVA): A Cluster-randomized Trial in Progress

Background and Purpose
Cardiovascular risk factors are associated with an increased risk of dementia. Treatment of hypertension and hypercholesterolemia is associated with a decrease in incident dementia. Whether interventions aimed at cardiovascular risk factors in late life also reduce dementia risk is unknown. Here, we report the outline of a pragmatic study that will attempt to answer this question and we describe the prevalence of cardiovascular risk factors in the target population.
Methods
We designed a large cluster-randomized trial with a 6-year follow-up in 3700 elderly subjects (70 to 78 y) to assess whether nurse-led intensive vascular care in primary care decreases the incidence of dementia and reduces disability. Secondary outcome parameters are mortality, incidence of vascular events, and cognitive functioning. Intensive vascular care comprises treatment of…

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