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      Atrial Fibrillation, Cognitive Decline and Dementia

      , , Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA, Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA, Lipid and Atherosclerosis Unit, Reina Sofia University Hospital, University of Cordoba, Cordoba, Spain and Center for Biomedical Research in Networks—Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain

      European Cardiology Review

      Radcliffe Group Ltd

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          Abstract

          Atrial fibrillation (AF) is a common cardiac arrhythmia. There is growing evidence that AF is a risk factor for cognitive decline and dementia. In this review, we summarise epidemiological observations linking AF with cognitive outcomes, describe potential mechanisms and explore the impact of AF treatments on cognitive decline and dementia. Community-based observational studies show a consistently higher rate of cognitive decline and increased risk of dementia in persons with AF. These associations are partly due to the increased risk of clinical stroke in AF, but other mechanisms, including the incidence of silent cerebral infarcts, microbleeds and cerebral hypoperfusion, are likely additional contributors. Adequate oral anticoagulation and improved management of the overall cardiovascular risk profile in individuals with AF offer the promise of reducing the impact of AF on cognitive decline and dementia.

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          Author and article information

          Journal
          ECR
          European Cardiology Review
          Radcliffe Group Ltd
          1758-3756
          2016
          2016
          : 11
          : 1
          : 49
          Article
          10.15420/ecr.2016:13:2
          © 2016

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