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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Atrial fibrillation and cognitive impairment: mechanisms, influencing factors, and prospects

Li-Juan Huang1, Jian-Shu Chen2, Yu-Zhe Song1

  • 1Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China.

Frontiers in Cardiovascular Medicine
|February 21, 2025
PubMed

Insights

Atrial fibrillation (AF) increases cognitive impairment risk through mechanisms like reduced blood flow and inflammation. Understanding these factors is key to managing cognitive decline in AF patients.

Area of Science:

  • Cardiology
  • Neurology
  • Geriatrics

Background:

  • Atrial fibrillation (AF) is a common arrhythmia linked to stroke and cognitive decline.
  • AF independently increases the risk of cognitive impairment, independent of stroke.
  • Mechanisms include reduced cerebral perfusion, microembolism, low cardiac output, and inflammation.

Purpose of the Study:

  • Synthesize evidence on the AF-cognitive impairment relationship.
  • Examine mechanisms driving cognitive decline in AF.
  • Explore factors influencing cognitive outcomes in AF patients.

Main Methods:

  • Literature review of current evidence.
  • Analysis of AF type, treatment, and left atrial characteristics.
  • Investigation of associated conditions impacting cognitive function.

Main Results:

  • Cognitive outcomes are multifactorial in AF.
  • Left atrial structure, AF type/duration, and treatments affect cognition.
  • Comorbidities, age, and gender also play significant roles.

Conclusions:

  • AF and cognitive impairment have a complex relationship.
  • Understanding contributing factors is crucial for intervention.
  • Strategies to mitigate cognitive decline in AF patients can be developed.
Abstract

Keywords:
atrial fibrillationcognitive impairmentinfluencing factorsmechanismsprospects

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