Copyright (c) 2023 Wangwei He, Rong Tang, Junyu Han, Ziguan Zhang, Jun Li, Wanwan Xue, Qiang Xie
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The undersigned hereby assign all rights, included but not limited to copyright, for this manuscript to CMB Association upon its submission for consideration to publication on Cellular and Molecular Biology. The rights assigned include, but are not limited to, the sole and exclusive rights to license, sell, subsequently assign, derive, distribute, display and reproduce this manuscript, in whole or in part, in any format, electronic or otherwise, including those in existence at the time this agreement was signed. The authors hereby warrant that they have not granted or assigned, and shall not grant or assign, the aforementioned rights to any other person, firm, organization, or other entity. All rights are automatically restored to authors if this manuscript is not accepted for publication.The impact of MicroRNA-155 on the effect of cryoablation in paroxysmal atrial fibrillation
Corresponding Author(s) : Qiang Xie
Cellular and Molecular Biology,
Vol. 69 No. 12: New discoveries in gene expression and mutation
Abstract
Elevated plasma MicroRNA-155 (miR-155) levels are strongly associated with cardiac fibrosis and chronic inflammation processes. However, the relationship between miR-155 and paroxysmal atrial fibrillation (PAF) recurrence following cryoablation remains poorly explored. We aimed to evaluate whether elevated miR-155 is related to long-term AF recurrence following cryoablation. Preoperative miR-155 levels were determined in PAF patients undergoing initial cryoablation. Multivariate-adjusted Cox models were constructed to determine the relationship between miR-155 levels and PAF recurrence. Multivariate logistic regression analyses were performed to determine predictors of PAF recurrence. Of the 66 enrolled patients, 13 patients (19.7%) had recurrence at the 12-month following-up. These patients had significantly higher baseline miR-155 levels than those without PAF recurrence ((AAA ± BBB) vs. (AAA ± BBB), P < 0.05). The study results showed that miR-155 expression levels were significantly higher in the experimental group than in the control group. Additionally, logistic regression analysis revealed that miR-155 expression was positively correlated with PAF recurrence after cryoablation. Elevated preoperative miR-155 levels are related to a higher risk of AF recurrence and can independently predict AF recurrence following cryoablation.
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