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Updated: May 18, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Atrial fibrillation in heart failure
Joel A Lardizabal1, Prakash C Deedwania
1Division of Cardiology, Department of Medicine, University of California-San Francisco (Fresno-MEP), Fresno, CA 93701, USA.
Insights
Heart failure (HF) and atrial fibrillation (AF) often coexist, worsening patient prognosis. Understanding their complex pathobiology and developing new treatments are crucial for reducing the public health burden of these common conditions.
Area of Science:
- Cardiology
- Clinical Medicine
- Public Health
Background:
- Heart failure (HF) and atrial fibrillation (AF) are common, debilitating conditions frequently seen together in clinical practice.
- The coexistence of chronic AF signifies a poorer prognosis for patients with HF.
- New-onset AF in patients with chronic HF is linked to increased illness and death.
Purpose of the Study:
- To highlight the clinical significance of coexisting HF and AF.
- To emphasize the need for advancements in understanding and treating these conditions.
- To underscore the importance of novel therapeutic strategies in managing the public health impact of HF and AF.
Main Methods:
- This abstract discusses the clinical implications and pathobiology of coexisting HF and AF.
- It reviews current understanding of the relationship between these two conditions.
- It emphasizes the role of ongoing research and therapeutic development.
Main Results:
- The co-occurrence of HF and AF is associated with worse patient outcomes.
- New AF onset in HF patients increases morbidity and mortality.
- Understanding the pathobiology is key to improving management.
Conclusions:
- Integrated management strategies for HF and AF are essential.
- Continued research into novel drugs and non-pharmacologic therapies is critical.
- Addressing the combined burden of HF and AF is a significant public health priority.
Abstract:
Heart failure (HF) and atrial fibrillation (AF) are highly prevalent debilitating conditions that often coexist and are frequently encountered in clinical practice. The presence of chronic AF is a marker of worse prognosis in patients with HF, and the onset of new AF in those with chronic HF is associated with increased morbidity and mortality. Advances in the development of novel drugs, nonpharmacologic modalities, and therapeutic strategies, as well the increased understanding of the pathobiology of HF and AF, are key to mitigating the tremendous public health burden that is associated with these conditions.
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