Narrative review on atrial fibrillation and depression highlights bidirectional links and integrated care needs

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Frontiers in Medicine Published May 28, 2026 Medically reviewed May 28, 2026 DOI ↗ By Dr. Ji-eun Park, MD · Brain, Mind & Pain

Key Takeaway

Consider integrated screening for atrial fibrillation and depression due to their potential bidirectional relationship.

This is a narrative review examining the bidirectional relationship between atrial fibrillation and depression. The authors synthesize existing evidence to suggest that depression may heighten the likelihood of developing atrial fibrillation, while atrial fibrillation may, in turn, worsen depressive symptoms. The review does not report specific pooled effect sizes, study populations, or intervention details.

The authors highlight the necessity for integrated screening and management approaches to enhance patient outcomes. They argue that clinicians should consider the potential interplay between these conditions when evaluating patients.

Key limitations noted include the lack of reported primary outcomes, sample sizes, follow-up durations, and safety data. The review does not provide specific numbers for effect sizes or adverse events, and the certainty of the evidence is not reported.

Practice relevance is restrained, emphasizing the importance of recognizing potential links without overstating causality. The authors call for more rigorous research to clarify the mechanisms and optimal management strategies.

Overall, the review underscores the need for a holistic approach to patient care, but the evidence remains preliminary and observational in nature.

Study Details

Study typeSystematic review

EvidenceLevel 1

PublishedMay 2026

View Original Abstract ↓

Atrial fibrillation (AF) represents a common cardiac arrhythmia that carries substantial morbidity and mortality risks, whereas depression serves as a significant psychological factor affecting cardiovascular health. Recent findings underscore a reciprocal relationship between AF and depression, suggesting that depression may heighten the likelihood of developing AF, while AF may, in turn, worsen depressive symptoms. This review aims to provide a thorough examination of the epidemiological features that underpin this relationship, focusing on population-based research that clarifies prevalence rates and associated risk factors. Furthermore, it delves into the intricate biological and psychosocial mechanisms that connect these two conditions, which include dysregulation of the autonomic nervous system, inflammation, neurohormonal pathways, and behavioral influences. The clinical ramifications of this reciprocal association are also addressed, highlighting the necessity for integrated screening and management approaches to enhance patient outcomes. By consolidating existing research, this article seeks to enrich the understanding of the relationship between AF and depression, as well as to assist clinicians in optimizing therapeutic strategies tailored to address this dual burden.