AI Article Synopsis
- Atrial fibrillation (AF) increases the risk of dementia by about 30%, even when accounting for the impact of strokes and transient ischemic attacks (TIAs).
- A study reviewed five major observational studies with over 61,000 patients, showing consistent findings across a long follow-up period of about 12.5 years.
- The research suggests that screening for AF and improving management could help lower dementia risk, which has significant social and healthcare implications.
Article Abstract
Background: Atrial fibrillation (AF) is associated with an increased risk of dementia. It is presently unknown to what extent AF contributes to dementia onset independently from prevalent and incident cerebrovascular accidents (CVAs)/transient ischaemic attacks (TIAs).
Methods: MEDLINE/PubMed and Embase databases were searched for prospective observational results, which produced risk estimates for dementia in AF patients, adjusted for prevalent and incident CVAs/TIAs.
Results: Five prospective observational studies were included, comprising 61 008 patients, having a median follow-up of 12.5 years. Meta-analysis of observational results indicates an increased risk of dementia in AF, adjusted for cerebrovascular clinical events (HR 1.28, 95% CI 1.17 to 1.41, I=0%). Funnel plot analysis did not reveal a statistically significant asymmetry. Meta-regression analysis did not indicate statistically significant associations between baseline study-level covariates and risk estimates.
Conclusion: AF confers a nearly 30% increased risk of dementia, independently from CVAs/TIAs. Screening for AF and subsequent optimised management to lower risk of cranial injury could help in preventing dementia, a condition characterised by high social and healthcare costs.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6546265 | PMC |
| http://dx.doi.org/10.1136/openhrt-2018-000984 | DOI Listing |
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