Table 3. The comparisons of the success rate and recurrence rate between those using conventional ablation and CARTO-guided electroanatomical ablation methods in the 86 procedures in these postoperative congenital heart disease patients.
Conventional ablation (32) | CARTO-guided ablation (54) | p value | |
Success rate overall | 18/32 (56%) | 45/54 (83%) | 0.006 |
Isthmus dependent AFL | 11/14 (79%) | 23/25 (92%) | 0.48 |
EAT | 3/4 (75%) | 3/5 (60%) | 1 |
IART | 4/9 (44%) | 8/11 (73%) | 0.36 |
Multiple | 0/5 (0%) | 11/13 (85%) | 0.002 |
Recurrence of same arrhythmia | 5/18 (28%) | 10/45 (22%) | 0.75 |
Isthmus dependent AFL | 1/11 (9%) | 6/23 (26%) | 0.63 |
EAT | 2/3 (67%) | 0/3 (0%) | 0.4 |
IART | 2/4 (50%) | 1/8 (13%) | 0.24 |
Multiple | NA | 3/11 (27%) | NA |
Recurrence of all arrhythmia (either same or new arrhythmia) | 11/18 (61%) | 18/45 (40%) | 0.13 |
Isthmus dependent AFL | 5/11 (46%) | 11/23 (48%) | 1 |
EAT | 2/3 (67%) | 0/3 (0%) | 0.4 |
IART | 4/4 (100%) | 4/8 (50.0%) | 0.21 |
Multiple | NA | 3/11 (27.3%) | NA |
AFL, atrial flutter; EAT, ectopic atrial tachycardia; IART, intra-atrial reentry tachycardia.