Table 2

Procedural Characteristics and Outcomes

LARIAT Group
(n = 69)
Ablation-Only Group
(n = 69)
Total
(N = 138)
p Value
AF ablation procedure time, min238 ± 30218 ± 57228 ± 470.011
Fluoroscopy time, min42 ± 950 ± 1848 ± 15<0.001
Ablation time, min49 ± 2852 ± 1651 ± 210.440
Moderate-to-severe LA scar51 (74)52 (75)103 (75)0.841
Extra-pulmonary vein ablation31 (45)36 (52)66 (48)0.394
Freedom from AF/AT at 12 months off AADs after 1 ablation procedure45 (65)27 (39)72 (52)0.002
Median time to recurrence, weeks27 (12–37)19 (11–25)21 (11–28)0.030
Repeat ablation in 12 months11 (16)23 (33)34 (25)0.018
Patients on AADs at 12-month follow-up9 (13)15 (22)24 (17)0.177
Freedom from AF/AT at 12 months off AADs after >1 ablation procedure53 (77)40 (58)93 (67)0.018

Values are mean ± SD, n (%), or median (interquartile range).

AF = atrial fibrillation; AT = atrial tachycardia; other abbreviations as in Table 1.