ArticleInternational journal of general medicine2026
Echocardiographic Risk Factors for Atrial Fibrillation Recurrence Following Radiofrequency Catheter Ablation: A Retrospective Analysis.
Article in International journal of general medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To assess the value of pre-procedural echocardiography (ECHO) parameters for predicting recurrence following radiofrequency catheter ablation (RFCA) for atrial fibrillation (AF) and develop a predictive model. Methods: In this retrospective study of 103 AF patients undergoing first-time RFCA, pre-ablation ECHO parameters were analyzed. The primary endpoint was AF recurrence after 3-month "blanking period". Independent predictors were identified employing univariate and Firth-penalized multivariate logistic regression. Model performance was evaluated via ROC curve analysis, Bootstrap validation, calibration curves, and decision curve analysis (DCA). A predictive nomogram was generated based on the final model. Results: AF recurrence occurred in 32 patients (31.1%). Univariate analysis revealed that the recurrence group exhibited remarkably greater left atrial diameter (LAD), left atrial volume index (LAVI), mitral inflow early diastolic velocity (E-wave), E/A ratio, and E/e' ratio, while the average early diastolic mitral annular tissue velocity (e') was significantly lower (all Conclusion: Pre-procedural LAVI and E/e' ratio are independent predictors of AF recurrence post-RFCA. The combined model demonstrates promising predictive performance, warranting further external validation before clinical application.
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