ArticleFrontiers in cardiovascular medicine2026
Impact of intracardiac echocardiography on radiofrequency catheter ablation for atrial fibrillation: a clinical study on procedural parameters and post-procedural recurrence.
Article in Frontiers in cardiovascular 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: Radiofrequency catheter ablation (RFCA) has become a first-line treatment for atrial fibrillation (AF). Abnormal force-over-time (FOT), a procedural parameter, leads to gaps and influences ablation continuity and transmurality. Intracardiac echocardiography (ICE) provides valuable guidance during RFCA. This retrospective study investigates the impact of ICE on FOT and recurrence in RFCA. Methods: Propensity score matching (PSM) was performed to mitigate the impact of intergroup imbalance. The Kendall correlation, point-biserial correlation coefficient test and multivariate Gamma regression were employed to analyze factors influencing procedure and ablation time. Univariate and multivariate Cox regression analysis were performed to analyze factors influencing recurrence. Results: A total of 167 patients were enrolled. After PSM, 102 patients were included with 51 patients in each of the ICE and non-ICE groups. After adjusting for confounding factors, baseline eGFR (HR = 0.97, 95% CI 0.94-0.99, Conclusions: ICE influences the distribution of abnormal FOT across PV segments. ICE-guided procedures demonstrated improvement in recurrence. However, the benefits may not be directly provided by ICE but rather mediated through the occurrence of abnormal FOT.
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