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Updated: Jun 4, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Atrial fibrillation: pathophysiology and current therapy
Shinsuke Miyazaki1, Ashok J Shah, Daniel Scherr
1Hôpital Cardiologique du Haut-Lévêque and the Université Victor Segalen Bordeaux II, France. mshinsuke@k3.dion.ne.jp
Insights
Atrial fibrillation is a common heart rhythm disorder causing rapid, irregular atrial activity, increasing cardiac risks. This review details its pathophysiology and clinical management strategies.
Area of Science:
- Cardiology
- Electrophysiology
- Internal Medicine
Background:
- Atrial fibrillation is a prevalent cardiac arrhythmia characterized by rapid and irregular atrial electrical activity.
- This condition disrupts the coordinated contraction of the atria, leading to fibrillation.
- Existing research highlights atrial fibrillation's significant contribution to cardiac morbidity and mortality.
Purpose of the Study:
- To elucidate the underlying pathophysiology of atrial fibrillation.
- To outline current clinical management approaches for atrial fibrillation.
- To provide a comprehensive overview for healthcare professionals managing patients with this arrhythmia.
Main Methods:
- Literature review of existing studies on atrial fibrillation.
- Synthesis of information regarding the mechanisms of atrial fibrillation.
- Compilation of data on established and emerging treatment strategies.
Main Results:
- Pathophysiology involves complex electrical and structural remodeling of the atria.
- Clinical management encompasses rate and rhythm control, stroke prevention, and risk factor modification.
- Treatment decisions are guided by patient-specific factors, including symptom burden and comorbidities.
Conclusions:
- Understanding atrial fibrillation pathophysiology is crucial for effective management.
- Multifaceted clinical strategies are necessary to mitigate the risks associated with atrial fibrillation.
- Ongoing research continues to refine therapeutic interventions for atrial fibrillation.
Abstract:
Atrial fibrillation is a common cardiac arrhythmia with rapid and irregular atrial activity. Instead of uniformly contracting as one chamber, the atrial compartment fibrillates. Several studies have demonstrated that this arrhythmia contributes substantially to cardiac morbidity and mortality. The purpose of this review is to describe the pathophysiology and clinical management of this arrhythmia.
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