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Modifiable cardiovascular disease risk factors as predictors of dementia death: pooling of ten general population-based cohort studies

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    Rights statement: © 2014 Batty et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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http://www.jnrbm.com/content/13/1/8
Original languageEnglish
Pages (from-to)8
JournalJournal of negative results in biomedicine
Volume13
Issue number1
DOIs
Publication statusPublished - 23 May 2014

Abstract

BACKGROUND: With drug treatment for dementia being of limited effectiveness, the role of primary prevention, in particular the predictive value of modifiable cardiovascular disease risk factors, holds some promise. The evidence base is, however, characterised by discordant findings and is modest in size. Accordingly, we examined the association of modifiable cardiovascular disease risk factors with dementia death.Design and methods: We pooled raw data from 10 UK general population-based prospective cohort studies within the context of an individual participant meta-analysis.

RESULTS: A total of 103,764 men and women were followed up for a mean of 8 years giving rise to 443 dementia-related deaths and 2612 cardiovascular disease deaths. Cardiovascular disease mortality was, as anticipated, associated with the full range of risk factors under study, including raised blood pressure, smoking, diabetes, physical inactivity. By contrast, dementia death was related to very few of the cardiovascular disease risk factors: of those classified as modifiable, only smoking was associated with a raised risk and higher levels of non-HDL with a lower risk.

CONCLUSIONS: In the present study, there was limited evidence that cardiovascular disease risk factors were related to dementia death.

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