TABLE 1.
Baseline and procedural characteristics.
| Patient number | Gender | Age * | Arrhythmia type | LA (mm) |
LVEF (%) |
Ablation strategy | Ectopies from PLSVC | PLSVC isolation |
FU or time to recurrence (m) |
Recurrence | Fluoroscopy time (min) |
Procedure time (min) |
PLSVC ablation time (min) | Power used in PLSVC ablation | MI ablation time (min) |
| #1 | M | 79 | PsAF | 39 | 55 | 2C3L + CFAE | No | No | 50 | No | 5 | 180 | / | 18 | |
| #2 | M | 64 | PsAF | 49 | 65 | 2C3L + CS | No | No | 40 | Yes | 5 | 180 | / | 20 | |
| #3 | F | 58 | PAF | 32 | 62 | PVI | No | No | 39 | Yes | 2 | 114 | / | / | |
| #4 | M | 59 | PAF | 45 | 58 | PVI | No | No | 38 | Yes | 0 | 123 | / | / | |
| #5 | F | 75 | PAF | 35 | 66 | gap-closing for PVI | No | No | 5 | Yes | 0 | 96 | / | / | |
| #6 | F | 51 | PAF | 36 | 62 | PVI | No | No | 32 | Yes | 3 | 120 | / | / | |
| #7 | M | 47 | PsAF | 43 | 53 | 2C3L + CFAE (failed MI block) |
No | No | 20 | No | 5 | 202 | / | 22 | |
| #8 | F | 70 | PAF AVNRT | 32 | 67 | PVI | No | No | 15 | No | 0 | 134 | / | / | |
| #9 | F | 30 | PsAF | 56 | 66 | 2C3L + CFAE + CS + PLSVC |
/ | / | / | Acute fail | 5 | 198 | 28 | 25W | 16 |
| #10 | F | 58 | PsAF | 62 | 58 | 2C3L | No | No | 6 | No | 9 | 150 | / | 14 | |
| #11 | M | 61 | PAF | 38 | 62 | PVI + PLSVC-I | Yes | Yes | 8 | No | 10 | 132 | 20 | 35W | / |
| #12 | M | 60 | PAF | 27 | 72 | PVI + RSVC + PLSVC-I |
Yes | Failed | 7 | No | 12 | 154 | 32 | 25W | / |
| #13 | M | 47 | PAF | 44 | 66 | 3L + CFAE + PLSVC-I |
Yes | Yes | 6 | Yes | 8 | 148 | 26 | 30W | 17 |
| #14 | M | 57 | PsAF | 41 | 60 | 2C3L (MI block failed) |
Yes | Yes | 15 | Yes | 9 | 138 | / | 25 | |
| #15 | M | 26 | PsAF | 41 | 29 | 2C3L + PLSVC-I | Yes | Yes | 3 | Yes | 0 | 180 | 29 | 40W | 27 |
| #16 | M | 47 | PAF | 40 | 57 | PVI | No | No | 4 | Yes | 3 | 108 | / | / | |
| #3 redo | / | / | PAF | / | LPV gap + PLSVC-I | Yes | Yes | 20 | No | 7 | 132 | 19 | 35W | / | |
| #14 redo | / | / | PAF | / | RPV gap + MI (block failed) + PLSVC-I |
Yes | Yes | 4 | No | 8 | 164 | 33 | 35W | 15 | |
| #15 redo | / | / | AFL | / | PLSVC-I | Yes | Yes | 3 | No | 11 | 220 | 16 | 35W | 5 | |
| #16 redo | / | / | PAF | / | 3L + CFAE + PLSVC-I |
Yes | Yes | 1 | No | 8 | 150 | 12 | 30W | 13 |
AFL, atrial flutter; ASD, atrial septum defect; AVNRT, atrioventricular nodal reentrant tachycardia; CFAE, complex fractionated atrial electrogram; CS, coronary sinus; CTI, cavotricuspid isthmus; F, female; FU, follow up; LA, left atrium; LPV, left pulmonary vein; M, male; MI, mitral isthmus; PAF, paroxysmal atrial fibrillation; PLSVC-I, isolation of persistent left superior vena cava; PsAF, persistent atrial fibrillation; PVI, pulmonary vein isolation; PRV, right pulmonary vein; 2C3L, circumferential pulmonary vein isolation and linear ablation of the left atrial roof line, mitral isthmus line and cavotricuspid isthmus line (3L). *Age at the index ablation procedure for atrial fibrillation.