Table 2.
Characteristic | Any Source Ablation (n=61) | No Source Ablation (n=33) | P |
---|---|---|---|
No. Concurrent Sources/patient | 2.3±1.1 | 1.8±0.6 | 0.02 |
Left Atrial Sources | 107 (69.9%) | 31 (58.5%) | 0.13 |
Right Atrial Sources | 46 (30.1%) | 22 (41.5%) | |
Left Atrial Sources | |||
Rotors | 73 (47.7%) | 27 (50.9%) | 0.03 |
Focal Sources | 34 (22.2%) | 4 (7.5%) | |
Near Pulmonary Veins | 37/153 (24.2%) | 10/53 (18.9%) | 0.28 |
Left Atrial Roof | 28/153 (18.3%) | 5/53 (9.4%) | 0.08 |
Right Atrial Sources | |||
Rotors | 42 (27.5%) | 21 (39.6%) | 1.00 |
Focal Sources | 4 (2.6%) | 1 (1.9%) | |
Lateral/Posterior | 34/153 (22.2%) | 15/53 (28.3%) | 0.77 |
Medial/septal | 12/153 (7.8%) | 7/53 (13.2%) |
Values are mean ± SD or n(%) compared with t-tests or Fisher exact, respectively.