ArticleFrontiers in cardiovascular medicine2024
Ablation index value for transmural lesions based on unipolar electrograms in patients with paroxysmal atrial fibrillation undergoing pulmonary vein isolation.
Article in Frontiers in cardiovascular medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Unipolar electrogram-guidedQuantitative imaging in medicine and surgery · 2026Article
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10 authors.
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Abstract
Background: It remains unclear whether the current recommended ablation index (AI) value is suitable for individualized catheter ablation. Prior research has established that the elimination of the negative component of the unipolar electrogram (UP-EGM) applications reflects the formation of transmural lesion during radiofrequency ablation. The aim of this study was to explore the relationship between AI values when UP-EGM turns positive during pulmonary vein isolation and recommended AI values. Methods: A total of 50 patients with drug-refractory PAF who underwent index RFCA were consecutively included from September 2022 to January 2023. All the patients underwent AI-guided ablation. UP-EGM was also recorded during the procedure. The difference in the AI between the value when the UP-EGM turned completely positive [AI Results: A total of 2 954 lesion points were detected in 50 patients. The average values of AI Conclusion: The AI
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