ArticleJACC. Advances2023
Association of Atrial Fibrillation With Stroke and Dementia Accounting for Left Atrial Function and Size.
Article in JACC. Advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.
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Who cites it
9 citing papers in PubMed, 1 synthesis or guideline pooled it, 10 citations in OpenAlex.
- Prognostic Value of Cardiac Strain in Cognitive Impairment: A Systematic Review.Medical sciences (Basel, Switzerland) · 2026Pooled it
- NOD1 is a key mediator of atrial myopathy in heart failure.Theranostics · 2026Article
- Atrial Cardiomyopathy: A "Distinct Clinical Entity" for a Deeper Understanding of Atrial Fibrillation and Cardioembolic Stroke.Journal of clinical medicine · 2025Review
- Atrial cardiomyopathy: From healthy atria to atrial failure. A clinical consensus statement of the Heart Failure Association of the ESC.European journal of heart failure · 2025Article
- The predictive power of left atrial reservoir strain for long-term atrial fibrillation in the Atherosclerosis Risk in Communities study.Heart rhythm · 2025Article
- Atrial Myopathy and Heart Failure: Immunomolecular Mechanisms and Clinical Implications.International journal of molecular sciences · 2025Review
- Atrial Fibrillation, Atrial Myopathy, and Thromboembolism: The Additive Value of Echocardiography and Possible New Horizons for Risk Stratification.Journal of clinical medicine · 2024Review
- Association of Left Atrial Stiffness With Risk of Cryptogenic Ischemic Stroke in Young Adults.JACC. Advances · 2024Article
- Atrial Fibrillation and Myopathy Predisposing to Stroke and Dementia: What Came First, Chicken or Egg?JACC. Advances · 2023Article
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15 authors at 9 institutions in 2 countries.
Funding
Abstract
backgroundAtrial fibrillation (AF) is associated with higher risks of ischemic stroke (IS) and dementia. Whether alterations in left atrial (LA) function or size-atrial myopathy-confound these associations remains unknown.
objectivesThe purpose of this study was to examine the association of prevalent and incident AF with ischemic stroke and dementia in the ARIC (Atherosclerosis Risk In Communities) study, adjusting for LA function and size.
methodsParticipants at visit 5 (2011-2013) with echocardiographic LA function (reservoir, conduit, contractile strain, and emptying fraction) and size (maximal, minimal volume index) data, and without prevalent stroke or dementia were followed through 2019. For analysis, we used time-varying Cox regression.
resultsAmong 5,458 participants (1,193 with AF, mean age of 76 years) in the stroke analysis and 5,461 participants (1,205 with AF, mean age of 75 years) in the dementia analysis, 209 participants developed ischemic stroke, and 773 developed dementia over 7.1 years (median). In a demographic and risk factor-adjusted model, AF was significantly associated with ischemic stroke (HR, 1.63; 95% CI: 1.11-2.37) and dementia (HR: 1.38, 95% CI: 1.13-1.70). After additionally adjusting for LA reservoir strain, these associations were attenuated and no longer statistically significant (stroke [HR: 1.33, 95% CI: 0.88-2.00], dementia [HR: 1.15, 95% CI: 0.92-1.43]). Associations with ischemic stroke and dementia were also attenuated and not statistically significant after adjustment for LA contractile strain, emptying fraction, and minimal volume index.
conclusionsAF-ischemic stroke and AF-dementia associations were not statistically significant after adjusting for measures of atrial myopathy. This proof-of-concept analysis does not support AF as an independent risk factor for ischemic stroke and dementia.
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