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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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The Impact of Atrial Fibrillation Treatment Strategies on Cognitive Function

Neil Bodagh1, Irum Kotadia1, Ali Gharaviri2

  • 1School of Biomedical Engineering and Imaging Sciences, King's College London, London SE1 7EH, UK.

Journal of Clinical Medicine
|May 13, 2023
PubMed

Insights

Atrial fibrillation increases dementia risk through unclear mechanisms. This review explores how current treatments for atrial fibrillation may impact cognition and prevent dementia.

Area of Science:

  • Cardiology
  • Neurology
  • Geriatrics

Background:

  • Growing evidence links atrial fibrillation (AF) to increased dementia risk.
  • Pathogenic mechanisms remain unclear, with proposed links including AF-induced cerebral events, hypoperfusion, inflammation, and microbleeds from anticoagulation.
  • Understanding these links is crucial for developing preventative dementia strategies in AF patients.

Purpose of the Study:

  • To review the impact of current atrial fibrillation treatment strategies on cognitive function.
  • To explore the putative mechanisms connecting atrial fibrillation and cognitive decline.
  • To highlight the need for further research into AF-associated dementia prevention.

Main Methods:

  • Literature review focusing on atrial fibrillation management pathways.
  • Examination of stroke risk reduction, rhythm control, rate control, and risk factor management in AF.
  • Analysis of proposed mechanisms linking AF to cognitive impairment and dementia.

Main Results:

  • Existing atrial fibrillation treatments may influence cognitive decline trajectory.
  • Components of the 'Atrial Fibrillation Better Care' pathway are examined for their potential cognitive effects.
  • Mechanisms such as cerebral infarcts, hypoperfusion, inflammation, and microbleeds are discussed.

Conclusions:

  • Further prospective studies are essential to elucidate the mechanistic link between atrial fibrillation and dementia.
  • Developing targeted treatment strategies is necessary for preventing cognitive decline in atrial fibrillation patients.
  • Optimizing atrial fibrillation care pathways may play a role in mitigating dementia risk.

Keywords:
anticoagulationatrial fibrillationcognitive declinedementiarate controlrhythm control

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