Abstract
Interventional ablation has been demonstrated to represent an effective therapy in patients with atrial fibrillation (AF), leading to restoration and maintenance of sinus rhythm in the majority of cases. However, recurrence of AF is encountered in 35% to 40% of cases, and the causes for this frequent complication have not been elucidated so far. Here we present the study protocol of the FIBRO-RISK trial, a prospective, single-center, cohort study which aims to investigate the impact of inflammatory-mediated myocardial fibrosis on the risk of recurrence after successful catheter ablation of atrial fibrillation. The level of systemic inflammation in the pre-ablation and immediate post-ablation period will be assessed on the basis of serum levels of inflammatory biomarkers (hsCRP, matrix metalloproteases, interleukin-6), while the level of cardiac fibrosis will be determined based on cardiac magnetic resonance imaging associated with complex post-processing techniques for mapping myocardial fibrosis at the level of left atrium and left ventricle. At the same time, the amount of epicardial fat will serve as an indirect marker of localized inflammation and will be determined at different levels in the heart (surrounding left atrium,...Continue Reading
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