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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

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Published on: February 26, 2013

Endothelial function in patients with atrial fibrillation.

Ahsan A Khan¹, Graham N Thomas¹, Gregory Y H Lip^2,3

¹College of Medical and Dental Sciences, Institute of Applied Health Research, University of Birmingham, Birmingham, UK.

Annals of Medicine

|January 7, 2020

Summary

Atrial fibrillation (AF) is linked to endothelial dysfunction, a condition affecting blood vessels. Assessing and treating this dysfunction using flow-mediated dilatation can improve outcomes for AF patients.

Keywords:

Atrial fibrillation endothelial function flow-mediated dilatation vascular function

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Area of Science:

Cardiovascular Research
Vascular Biology
Cardiac Electrophysiology

Background:

Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia, linked to adverse health outcomes.
Endothelial dysfunction, a key factor in cardiovascular disease, is implicated in AF's negative effects.
Flow-mediated dilatation (FMD) is a validated measure of endothelial function, often impaired in various conditions.

Purpose of the Study:

To review the impact of AF on endothelial structure and function.
To evaluate the utility of flow-mediated dilatation in assessing endothelial dysfunction in AF patients.
To highlight the potential for therapeutic interventions to reverse endothelial dysfunction in AF.

Main Methods:

Literature review focusing on endothelial function in atrial fibrillation.
Analysis of studies utilizing flow-mediated dilatation to assess endothelial health in AF.
Exploration of the physiological links between AF and endothelial damage.

Main Results:

Endothelial dysfunction is prevalent in patients with atrial fibrillation.
Impaired endothelial function in AF is associated with increased risks of mortality, stroke, and myocardial infarction.
Flow-mediated dilatation is a reliable method for assessing endothelial function in this patient group.

Conclusions:

Endothelial dysfunction is a significant comorbidity in atrial fibrillation patients.
Assessment of endothelial function via FMD is recommended for AF patients.
Reversing endothelial dysfunction may improve clinical outcomes in individuals with AF.