ArticleJournal of arrhythmia2026
Impact of Pericardial Fat on Intracardiac Atrial Impedance and Generator Impedance.
Article in Journal of arrhythmia, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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9 authors.
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Abstract
Background: Generator impedance (GI) is a critical parameter that is measured during radiofrequency (RF) ablation. Factors influencing GI and its relationship with intracardiac atrial impedance (IAI) remain unclear; hence, this study aimed to investigate the determinants of IAI and assess their correlation with GI. Methods: A total of 104 patients who underwent atrial arrythmia ablation were included in this single-center retrospective study. Pericardial fat (PF) volume was assessed using preoperative contrast-enhanced computed tomography, and IAI was measured intraoperatively using the BeeAT catheter. The GI was recorded during the first RF application in 48 patients with atrial fibrillation (AF). Multivariate regression analyses were performed to identify the factors influencing IAI and GI. Results: A positive correlation was observed between the IAI and GI ( Conclusions: IAI was significantly influenced by the PF volume and blood components, and served as a key determinant of GI during AF ablation. These findings suggest that the IAI may be a valuable real-time indicator for optimizing ablation strategies based on patient-specific characteristics.
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