Table 2.
Characteristics of the Potential AF Drivers Targeted With the CARTOFINDER System and the Response to Ablation at the Driver Site
| Patient ID | Driver Type | Driver Location in LA | Consecutive Repeats in 30 s, Mean ± SD | Proportion of Maps With Driver, % | Driver Visible of Pre-PV Maps | Ablation Response | Ablation Duration, min |
|---|---|---|---|---|---|---|---|
| #1 | Focal | Posterolateral | 2.3 ± 0.6 | 100 | Yes | AT | 2.8 |
| #2 | Rotational Focal |
Anterior Lateral |
3.3 ± 1.2 4.0 ± 0.8 |
67 67 |
No Yes |
Nil Sinus |
1.8 3.2 |
| #3 | Rotational | Posterolateral LAA | 2.3 ± 0.6 | 100 | No | SCL | 2.4 |
| #4 | Focal Focal |
Roof/LAA Posterolateral |
2.3 ± 0.6 4.0 ± 2.7 |
50 50 |
Yes Yes |
SCL AT |
3.7 4.2 |
| #5 | Focal Rotational |
Mid anterior Posterolateral |
2.3 ± 0.6 2.8 ± 0.4 |
100 100 |
No Yes |
SCL AT |
4.8 3.7 |
| #6 | Rotational | Mid anterior | 2.2 ± 0.7 | 75 | No | AT | 3.3 |
| #7 | Rotational | Mid posterior | 4.0 ± 0.0 | 100 | No | AT | 4.1 |
| #8 | Rotational | Inferior RLPV | 3.0 ± 0.8 | 67 | Yes | Sinus | 3.8 |
| #9 | Focal Rotational |
Low anterior Mid roof |
2.8 ± 1.0 2.9 ± 1.0 |
100 100 |
Yes Yes |
SCL Sinus |
3.5 4.0 |
| #10 | Rotational | Posterior LAA | 2.3 ± 1.1 | 75 | No | SCL | 4.6 |
| #11 | Rotational | Anteroseptal | 2.5 ± 0.7 | 100 | No | SCL | 4.1 |
| #12 | Rotational | Mid roof | 2.3 ± 0.9 | 100 | Yes | Sinus | 3.4 |
| #13 | Rotational | Mid anterior | 2.4 ± 0.8 | 100 | No | SCL | 2.8 |
| #14 | Rotational | Anteroseptal | 2.2 ± 0.6 | 100 | Yes | AT | 3.4 |
| #15 | Rotational Focal |
Roof/RUPV Roof/LAA |
2.5 ± 0.6 2.8 ± 0.8 |
67 67 |
Yes Yes |
Nil SCL |
3.5 2.5 |
| #16 | Rotational | Roof | 2.3 ± 0.6 | 100 | No | SCL | 4.1 |
| #17 | Focal | Anterior LAA | 3.0 ± 1.3 | 100 | Yes | Sinus | 2.2 |
| #18 | Rotational | Mid roof | 2.8 ± 0.9 | 67 | Yes | AT | 2.7 |
| #19 | Focal Rotational Rotational |
Lateral Anteroseptal Posteroseptal |
2.7 ± 0.8 3.3 ± 1.0 3.0 ± 1.3 |
67 67 50 |
No No No |
Nil Nil SCL |
3.5 3.8 2.7 |
LAA = left atrial appendage; PV = pulmonary vein; RLPV = right lower pulmonary vein; RUPV = right upper pulmonary vein; SCL = slowing cycle length; other abbreviations as in Table 1.