Key result
Time to isolation ≤ 65 seconds and time cycle integration ≤ 119 seconds predicted the absence of acute pulmonary vein reconnection during second-generation cryoballoon ablation.
Why the study?
Do procedural and biophysical parameters predict acute pulmonary vein reconnection in patients with drug-resistant atrial fibrillation undergoing second-generation cryoballoon ablation?
Population
180 consecutive patients with drug-resistant atrial fibrillation undergoing second-generation cryoballoon…
Design
Cohort
Follow-up
mean 4.7 ± 1.4 months
Authors
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These thresholds may enable real-time prediction of durable isolation; hypothesis-generating for optimizing cryoballoon protocols.
Cohort (n=180)
Do procedural and biophysical parameters predict acute pulmonary vein reconnection in patients with drug-resistant atrial fibrillation undergoing second-generation cryoballoon ablation?
Time to isolation ≤ 65 seconds and time cycle integration ≤ 119 seconds are strong procedural predictors for the absence of acute pulmonary vein reconnection during second-generation cryoballoon ablation.
Wei et al. (2017) conducted a cohort in drug-resistant atrial fibrillation (AF) (n=180). Second-generation cryoballoon (CB2) ablation was evaluated on Acute pulmonary vein reconnection. Time to isolation ≤ 65 seconds and time cycle integration ≤ 119 seconds predicted the absence of acute pulmonary vein reconnection during second-generation cryoballoon ablation.
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