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Uric acid elevation in atrial fibrillation.

Konstantinos P Letsas¹, Panagiotis Korantzopoulos, Gerasimos S Filippatos

¹Second Department of Cardiology, Evangelismos General Hospital of Athens, Greece.

Hellenic Journal of Cardiology : HJC = Hellenike Kardiologike Epitheorese

|June 3, 2010

Summary

This summary is machine-generated.

Elevated uric acid levels are associated with permanent atrial fibrillation (AF). While C-reactive protein is an independent predictor of AF, uric acid also predicts permanent AF, suggesting a link to disease burden.

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Published on: July 20, 2022

Area of Science:

Cardiology
Biochemistry

Background:

Uric acid is a known cardiovascular risk marker linked to oxidative stress and inflammation.
Atrial fibrillation (AF) is increasingly recognized for its association with inflammatory processes and oxidative stress.

Purpose of the Study:

To investigate the potential association between elevated uric acid levels and the presence of atrial fibrillation.
To explore the relationship between uric acid and different types of AF (paroxysmal vs. permanent).

Main Methods:

A study population comprising patients with paroxysmal AF, permanent AF, and healthy controls was recruited.
Demographic, clinical, echocardiographic data, uric acid levels, and inflammatory markers (e.g., C-reactive protein) were collected and analyzed.
Statistical analyses included univariate and multivariate logistic regression to identify independent predictors.

Main Results:

Significant differences in uric acid levels were observed across paroxysmal AF, permanent AF, and control groups (p<0.001).
Univariate analysis revealed associations of AF with age, hypertension, beta-blocker use, low left ventricular ejection fraction (LVEF), left atrial diameter, uric acid, and C-reactive protein (CRP).
Multivariate analysis identified CRP as an independent predictor for AF. Subgroup analysis showed CRP and LVEF predicted paroxysmal AF, while CRP, uric acid, and LVEF predicted permanent AF.

Conclusions:

Increased uric acid levels are associated with permanent atrial fibrillation.
Uric acid elevation may correlate with the AF disease burden.
Further large-scale studies are warranted to confirm the association between uric acid and AF.