The Impact of Left Atrial Size in Catheter Ablation of Atrial Fibrillation Using Remote Magnetic Navigation

Figure 2

Kaplan–Meier curves of recurrence-free survival after primary successful ablation. (a) Kaplan–Meier curves demonstrate recurrence-free survival for patients with small left atrial (LA) group and large LA group. (i) Patients with LA diameter <40 mm, (ii) patients with LA diameter ≥40 mm, (iii) patients with LA diameter <40 mm censored, and (iv) patients with LA diameter ≥40 mm censored. (b) Kaplan–Meier curves demonstrate recurrence-free survival for patients with paroxysmal atrial fibrillation (AF) group and nonparoxysmal AF group. (i) Patients with paroxysmal atrial fibrillation, (ii) patients with nonparoxysmal atrial fibrillation, (iii) patients with paroxysmal atrial fibrillation censored, and (iv) patients with nonparoxysmal atrial fibrillation censored. (c) Kaplan–Meier curves demonstrate recurrence-free survival for patients with paroxysmal AF in small LA group and large LA group. (i) Paroxysmal atrial fibrillation patients with LA diameter <40 mm, (ii) paroxysmal atrial fibrillation patients with LA diameter ≥40 mm, (iii) paroxysmal atrial fibrillation patients with LA diameter <40 mm censored, and (iv) paroxysmal atrial fibrillation patients with LA diameter ≥40 mm censored. (d) Kaplan–Meier curves demonstrate recurrence-free survival for patients with nonparoxysmal AF in small LA group and large LA group. (i) Nonparoxysmal atrial fibrillation patients with LA diameter <40 mm, (ii) nonparoxysmal atrial fibrillation patients with LA diameter ≥40 mm, (iii) nonparoxysmal atrial fibrillation patients with LA diameter <40 mm censored, and (iv) nonparoxysmal atrial fibrillation patients with LA diameter ≥40 mm censored.

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