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Examining the causal mediating role of brain pathology on the relationship between diabetes and cognitive impairment: the Cardiovascular Health Study.

TitleExamining the causal mediating role of brain pathology on the relationship between diabetes and cognitive impairment: the Cardiovascular Health Study.
Publication TypeJournal Article
Year of Publication2020
AuthorsAndrews, RM, Shpitser, I, Lopez, O, Longstreth, WT, Chaves, PHM, Kuller, L, Carlson, MC
JournalJ R Stat Soc Ser A Stat Soc
Volume183
Issue4
Pagination1705-1726
Date Published2020 Oct
ISSN0964-1998
Abstract<p>The paper examines whether leads to incident mild cognitive impairment and dementia through brain hypoperfusion and white matter disease. We performed inverse odds ratio weighted causal mediation analyses to decompose the effect of diabetes on cognitive impairment into direct and indirect effects, and we found that approximately a third of the total effect of diabetes is mediated through vascular-related brain pathology. Our findings lend support for a common aetiological hypothesis regarding incident cognitive impairment, which is that diabetes increases the risk of clinical cognitive impairment in part by impacting the vasculature of the brain.</p>
DOI10.1111/rssa.12570
Alternate JournalJ R Stat Soc Ser A Stat Soc
PubMed ID34321718
PubMed Central IDPMC8314961
Grant ListR01 AI127271 / AI / NIAID NIH HHS / United States
ePub date: 
20/10