Abstract
Purpose
Subjective estimation of recurrence after atrial fibrillation ablation is an important tool in clinical use. The aim of this study is to evaluate (1) if the subjective complexity of an atrial fibrillation ablation procedure is correlated with rhythm stability and (2) if the subjective prognosis of the operator has a predictive value.
Methods
We prospectively enrolled patients admitted for ablation of atrial fibrillation. Two scores were given immediately after the procedure by the operator: the complexity and the prognosis scores. With routine follow-ups, we tried to evaluate the correlation between the subjective scores and measured outcome.
Results
The study population included 611 patients (63 ± 10 years, 37% females, 61% persistent AF). During follow-up (FU) (median 24, IQR 7–36 months), recurrences occurred in 44% patients. Both scores (prognosis and complexity) correlated significantly with age, persistent AF, LA diameter, procedural characteristics, and recurrences. On multivariable analysis, complexity (OR 1.304, 95%CI 1.016–1.675, p = 0.037) and prognosis (OR 1.443, 95%CI 1.080–1.982, p = 0.013) scores remained significant predictors for arrhythmia recurrences. On ROC analysis, both scores showed significant predictive value for rhythm outcomes after catheter ablation (AUC 0.599 and 0.613, both p < 0.001 for complexity and prognosis scores, respectively).
Conclusions
Complexity and prognosis scores are significant predictors for arrhythmia recurrences after AF catheter ablations and even independent when competing with simple risk factors.
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Data availability
The medical data is stored in Leipzig Heart Center.
Code availability
Not applicable.
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Acknowledgements
We thank Mrs. E. Gomez for providing language help.
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Stauber: conception or design of the work, data acquisition, data interpretation, writing the manuscript, critical revision of the manuscript, approved the version to be published.
Kornej: statistics, data interpretation, writing the manuscript, critical revision of the manuscript, approved the version to be published.
Hilbert: critical revision, approved the version to be published.
Dagres: critical revision, approved the version to be published.
Bollmann: critical revision, approved the version to be published.
Hindricks: conception or design of the work, critical revision, approved the version to be published.
Sommer: conception or design of the work, data interpretation, project leader and project supervision, critical revision, approved the version to be published.
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The Leipzig AF Cohort was approved by the Ethics Committee.
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All patients gave written informed consent to the procedure.
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Patients gave written informed consent to the Leipzig AF Ablation Cohort.
Conflict of interest
PS has received lecture fees and travel support from Abbott and is a member of the advisory board for Abbott and Biosense Webster.
GH received research grants through the heart center Leipzig from Abbott and Boston Scientific. He has not received any personal payments for these purposes.
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Stauber, A., Kornej, J., Hilbert, S. et al. Subjective assessment of complexity and prognosis after pulmonary vein isolation as significant predictor for procedural success. J Interv Card Electrophysiol 64, 367–374 (2022). https://doi.org/10.1007/s10840-021-01005-y
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DOI: https://doi.org/10.1007/s10840-021-01005-y