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The Efficacy of Anti-inflammatory Agents in the Prevention of Atrial Fibrillation Recurrences

[ Vol. 28 , Issue. 1 ]

Author(s):

Homa Nomani, Sara Saei, Thomas P. Johnston, Amirhossein Sahebkar* and Amir Hooshang Mohammadpour*   Pages 137 - 151 ( 15 )

Abstract:


Several studies have indicated an association between inflammation and the recurrence of Atrial Fibrillation (AF), especially after ablation, which is a therapeutic option leading to local inflammation. On the other hand, each AF can lead to another AF, as a general rule. Thus, preventing recurrences of AF is extremely important for patient outcomes. In this paper, we attempted to review the effect of medicinal agents with anti-inflammatory properties on the prevention of AF recurrence. There are several randomized controlled trials (RCTs) and meta-analyses on the prevention of AF recurrence using agents with anti-inflammatory properties, which include steroids, colchicine, statins, and n-3 fatty acids (n-3 FA). Clinical trials evaluating the efficacy of anti-inflammatory drugs in preventing the recurrence of AF led to inconsistent results for corticosteroids, statins and n-3 FAs. These results may be related to the fact that inflammation is not the only factor responsible for triggering recurrences of AF. For example, the presence of structural, mechanical and electrical remodeling could potentially be the most important factors that trigger recurrences of AF but these factors have not been addressed in most of the reported studies. Therefore, future clinical trials are needed to compare the efficacy of anti-inflammatory drugs in AF patients with, or without other factors. For colchicine, a potent anti-inflammatory drug, there are limited studies. However, all the studies investigating colchicine in the context of AF were consistent and promising, especially when colchicine was used on a short-term basis following ablation in patients with paroxysmal AF.

Keywords:

Atrial fibrillation, AF recurrence, inflammation, ablation, electrical cardioversion, structural remodeling, arrhytmia, CRP, C-reactive protein.

Affiliation:

School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Nikan Medical Group, Tehran, Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, Kansas City, Missouri, Halal Research Center of IRI, FDA, Tehran, Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad



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