Abstract
Introduction: The American College of Cardiology developed the National Cardiovascular Data Registry (NCDR) AFib Ablation Registry to assess prevalence, demographics, procedural management and outcomes of patients undergoing atrial fibrillation (AFib) ablation procedures. The objective of this registry’s first presentation is to summarize initial AFib Ablation Registry data regarding patient characteristics, procedural characteristics, and in-hospital adverse events and outcomes in those undergoing AFib ablation enrolled in the registry. Methods: Data were tabulated and summarized with simple proportions for categorical data, and mean ± standard deviation for continuous data. Results: A total of 31,345 patients who underwent AFib ablation were included in the registry (mean age 65.0 ± 10.4, 65.2% male, 57.6% paroxysmal AFib), with ablations performed at 120 hospitals, by 501 physicians. The mean CHA2DS2-VASc score of was 2.6 ± 1.6, and mean HAS-BLED score was 1.1 ± 0.9. Successful pulmonary vein isolation was able to be achieved in all veins in 94.5% of patients. The prevalence of any complication during procedural admission was 3.1%; the most common were hematoma (0.5%) and pericardial effusion requiring intervention (0.42%). The mean length of stay during the index admission (days) was 1.4 ± 7.6, and in-hospital death prevalence was 0.04% [FIGURE] . Conclusions: In conclusion, the NCDR AFib Ablation Registry is a large, national, multi-center, prospective cohort study to describe events outside the clinical trial or research setting, demonstrating successful pulmonary vein isolation in the majority of patients and a low prevalence of adverse events. Future studies from the registry will be able to help support and develop evidence-based guidelines for AFib ablation treatment and optimize patient outcomes.
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