ArticleJournal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing2023
The absence of real-time pulmonary vein isolation during cryoballoon ablation is associated with atrial fibrillation recurrence and pulmonary vein reconnection : Insights from the Middelheim-PVI Registry 2.
Article in Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- Mechanistic insights into the learning curve of cryoballoon ablation: ablation temperature mediates the effect of operator experience on radiation exposure.Frontiers in cardiovascular medicine · 2026Article
- Validation of a machine learning algorithm to identify pulmonary vein isolation during ablation procedures for the treatment of atrial fibrillation: results of the PVISION study.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2024Article
- Adding Electroanatomical Mapping to Cryoballoon Pulmonary Vein Isolation Improves 1-Year Clinical Outcome and Durability of Pulmonary Vein Isolation: A Propensity Score-Matched Analysis.Journal of cardiovascular development and disease · 2024Article
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7 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAbsence of real-time pulmonary vein (PV) isolation (PVI) occurring in 15-40% of PVs during cryoballoon ablation (CBA) of atrial fibrillation (AF) raises doubt about adequate PVI. Aim of the present study is to determine whether real-time PVI during CBA is predictive of long-term clinical outcome and durability of PVI.
methodsEight hundred three AF patients (64 ± 10 years, 68% males) undergoing CBA were studied. The cohort was divided in 4 groups according to the number of PVs without real-time PVI: none (N = 252 [31.4%]), 1 (N = 255 [31.8%]), 2 (N = 159 [19.8%]), and 3-4 (N = 137 [17.1]).
resultsAt 3 years, 279 (34.7%) patients had recurrence of AF of which 188 underwent repeat ablation. A vein without real-time PVI was associated with AF recurrence (HR = 1.275; 95% CI 1.134-1.433; p < 0.01), independent of persistent AF type (HR = 2.075; 95% CI 1.584-2.738; p < 0.01), left atrial diameter (HR = 1.050; 95% CI 1.028-1.072; p < 0.01), and diagnosis-to-ablation time (HR = 1.002; 95% CI 1.000-1.005; p = 0.04). Highest success was achieved with present real-time PVI in all veins (77.4%), gradually decreasing per increasing number of absent real-time PVI: 66.3% for 1 vein, 58.5% for 2, and 48.9% for 3-4 veins (p < 0.001). At repeat ablation (N = 188), PV reconnection was seen in 99/430 (23.0%) versus 83/288 (28.8%) veins with and without real-time PVI, respectively (p = 0.08). Right inferior PVs (RIPVs) with real-time PVI were less reconnected than RIPVs without real-time PVI: 29.7% versus 43.7% (p = 0.047).
conclusionThe absence of real-time PVI during CBA independently predicts AF recurrence with a 30% gradual decrease in outcome per increase in veins without real-time PVI. Real-time PVI is particularly important for the RIPV to achieve durable PVI.
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