Use of Ablation Index-Guided Ablation Results in High Rates of …
2018年9月14日 · Catheter ablation for persistent atrial fibrillation (AF) is associated with less favorable outcomes than for paroxysmal AF. Substrate modification is often added to pulmonary vein isolation (PVI) to try to improve success rates. Recent studies have shown improved clinical outcomes with use of regional ablation index (AI) targets for PVI.
Efficacy and safety of ablation index-guided catheter ablation …
2020年11月1日 · Ablation index (AI) is a new method incorporating contact force, time, and power that should optimize procedural outcomes. We aimed to evaluate the efficacy and safety of AI-guided catheter ablation compared to a non-AI-guided approach.
Ablation Index Correlation With Lesion Size in the Catheter Ablation …
2021年9月26日 · Ablation index (AI) is a novel marker of ablation efficacy, incorporating ablation time, power, and contact force into a weighted equation. 1 Clinically, AI is efficacious at guiding radiofrequency catheter ablation in pulmonary vein isolation. 2 However, limited data exists regarding AI-guided ablation within the ventricle. This pilot study ...
Safety and efficacy of ablation index‐guided atrial fibrillation ...
In radiofrequency (RF) catheter ablation, the ablation index (AI) is a quantitative ablation lesion size marker that considers contact force, RF application time, and RF power in a weighted formula, and AI guidance was reported to minimize recurrence after AF ablation. 5, 6, 7 Also, AI‐guided, high‐power RF application was the technical ...
Ablation Index for Catheter Ablation of Atrial Fibrillation
2018年10月25日 · Background: Key determinants for lesion formation in catheter ablation are contact force, radiofrequency (RF) power and time. The aim of this study was to evaluate the clinical applicability of ablation index (AI), a novel non-linear formula based on these components, and to compare AI with the conventional linear force-time interval (FTI) in ...
Catheter ablation of atrial fibrillation using ablation index…
2020年5月25日 · Radiofrequency (RF) catheter ablation is an effective treatment of patients with atrial fibrillation (AF). 1–3 The cornerstone strategy of the ablation procedure is establishment of RF lesions around the pulmonary vein (PV) ostia and …
Catheter Ablation in Atrial Fibrillation: Recent Advances - MDPI
15 小时之前 · Atrial fibrillation (AF) is the leading cause of arrhythmia-related morbidity and mortality. Recurrent symptoms, hospitalizations, and cost burden to patients have necessitated treatments beyond antiarrhythmic drugs (AADs) for patients with AF. Catheter ablation has proven to be effective over medical therapy alone; however the recurrence rates for atrial tachyarrhythmias post-ablation remain ...
Index-Guided High-Power Radiofrequency Catheter Ablation for …
2023年10月24日 · Catheter ablation is an effective treatment strategy for atrial fibrillation (AF) to lower the risk of stroke, heart failure, and death, as well as to provide a better quality of life [1, 2, 3]. Following catheter ablation, sinus rhythm is effectively preserved in 60.8% to 71% of …
Ablation Index as a predictor of long-term efficacy in premature ...
2019年1月4日 · The effectiveness of radiofrequency catheter ablation (RFCA) in atrial tachyarrhythmias correlates with lesion transmurality. Ablation Index (AI) is an index that incorporates contact force, time, and radiofrequency power simultaneously and is able to predict lesion size and outcomes in RFCA of atrial fibrillation.
Catheter ablation of atrial fibrillation using ablation index…
2021年1月23日 · Radiofrequency (RF) high-power ablation appears to be a novel concept in treating atrial fibrillation (AF). The ablation-index (AI) has been linked with the durability of pulmonary vein isolation (PVI). To report the midterm clinical results of a new ablation strategy using AI-guided high-power (50 W) ablation (AI-HP).
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