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A bidirectional relationship between atrial fibrillation and depression: epidemiology, mechanisms, and clinical

Wei Luo1,2

  • 1Department of Cardiology, The First People's Hospital of Nankang District, Ganzhou, China.

Frontiers in Psychiatry
|June 15, 2026
PubMed

Insights

This review explores the bidirectional link between atrial fibrillation (AF) and depression. Understanding this connection, including risk factors and mechanisms, is key for better patient care and managing cardiovascular health.

Area of Science:

  • Cardiology and Psychiatry
  • Investigates the intersection of cardiovascular health and mental well-being.

Background:

  • Atrial fibrillation (AF) is a prevalent arrhythmia with significant health risks.
  • Depression is a major psychological factor impacting cardiovascular health.
  • A growing body of evidence suggests a reciprocal relationship between AF and depression.

Purpose of the Study:

  • To examine epidemiological data on the AF-depression relationship.
  • To explore biological and psychosocial mechanisms linking AF and depression.
  • To discuss clinical implications and integrated management strategies.

Main Methods:

  • Review of population-based epidemiological research.
  • Analysis of studies on biological pathways (autonomic nervous system, inflammation, neurohormonal).
  • Inclusion of psychosocial and behavioral factors.

Main Results:

  • Depression may increase AF risk; AF may worsen depressive symptoms.
  • Key connecting mechanisms include autonomic dysfunction, inflammation, and neurohormonal changes.
  • Integrated screening and management are crucial for improved patient outcomes.

Conclusions:

  • The relationship between AF and depression is complex and bidirectional.
  • Understanding shared risk factors and mechanisms is vital for clinical practice.
  • Holistic approaches are needed to manage patients with both conditions.

Keywords:
atrial fibrillationclinical implicationsdepressionepidemiologymechanisms

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