Abstract
Background
Several clinical risk factors and scoring systems have been proposed to predict arrhythmia recurrence after atrial fibrillation (AF) ablation. We sought to determine the ability of a new score to predict atrial arrhythmia recurrence after cryoballoon (CB) ablation of AF and whether the new score shows superior efficiency compared to previously offered scores.
Methods
A total of 419 patients with paroxysmal AF who underwent their first CB ablation were included. Baseline clinical variables were analyzed, and independent predictors of recurrence at 12 months were used to develop the PAT2C2H score. The predictive capability of the new score was calculated and compared with the currently available risk scores.
Results
Chronic obstructive pulmonary disease, left atrial dilatation, transient ischemic attack or stroke, congestive heart failure, and hypertension were independent predictors of recurrence. The PAT2C2H score which was developed from these variables had a better clinical predictive capability of arrhythmia recurrence compared to HATCH and CHA2DS2-VASc scores. With increasing PAT2C2H score and score severity (low, score of 0; moderate, score of 1–2; and high, score of ≥ 3), the proportion of patients with recurrence was increased from 7% (score = 0, severity = low) to 59% (score ≥ 3, severity = high).
Conclusions
The PAT2C2H score may help to identify patients who are likely benefited most from CB ablation of paroxysmal AF and who should be monitored more closely for arrhythmia recurrence at 12 months.
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Cay, S., Kara, M., Ozcan, F. et al. A new scoring system: PAT2C2H score. Its clinical use and comparison with HATCH and CHA2DS2-VASc scores in predicting arrhythmia recurrence after cryoballoon ablation of paroxysmal atrial fibrillation. J Interv Card Electrophysiol 65, 701–710 (2022). https://doi.org/10.1007/s10840-022-01328-4
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DOI: https://doi.org/10.1007/s10840-022-01328-4