TV group (n = 18) | MV group (n = 30) | P value | |
---|---|---|---|
MAT-CL at presentation (ms) | 249 ± 28 | 250 ± 30 | 0.94 |
Number of MAT per patient | 1.1 ± 0.3 | 1.3 ± 0.5 | 0.08 |
Proportion of Pts with ≥ 2 MATs, n (%) | 2 (11.1) | 9 (30.0) | 0.13 |
Proportion of Pts with left atrial MAT, n (%) | 1 (5.6) | 12 (40.0) | 0.01 |
Total number of MAT in each group | 19 | 39 | |
Right atrial MAT, n (%) | 18 (94.7) | 25 (64.1) | |
CTI-dependent AFL, n (%) | 16 (84.2) | 15 (38.5) | 0.02 |
Counterclockwise | 11 | 8 | |
Clockwise | 5 | 7 | |
Non-CTI dependent MAT in RA | |||
RA lateral suture line-related MAT | 1 | 8 | |
RA septum scar-related MAT | 1 | 2 | |
Left atrial MAT, n (%) | 1 (5.3) | 14 (35.9) | 0.01 |
Anterior LA scar related MAT | 0 | 2 | |
Peri-mitral MAT | 0 | 8 | |
LA roof dependent | 1 | 3 | |
RPV related MAT | 0 | 1 | |
Procedural duration (min) | 85.5 ± 35.9 | 103.8 ± 44.6 | 0.14 |
Fluoroscopic time (min) | 4.4 ± 1.3 | 6.3 ± 3.4 | 0.04 |
Acute success rate, n (%) | 18 (100) | 28 (93.3) | 0.52 |