Number of procedures (n, %)
- 1
- 2
- 3
- 4
|
129 (80)
25 (16)
3 (2)
3 (2)
|
17 (94)
1 (6)
-
-
|
46 (87)
6 (11)
-
1 (2)
|
66 (74)
18 (20)
3 (4)
2 (2)
|
0.327
|
Procedure time (mean ± SD) |
196±56 |
137±39 |
188±52 |
212±53 |
<0.0001 |
Fluoroscopy time (mean ± SD) |
6.7±6.3 |
6.4±7.8 |
6.5±5.5 |
6.8±6.6 |
0.959 |
Radiation dose (cGy*cm2) (mean ± SD) |
219±337 |
237±518 |
208±305 |
221±320 |
0.962 |
LV access (n, %)
- transseptal only
- retroaortic only
- transseptal + retroaortic
|
121 (76)
22 (14)
5 (3)
|
12 (67)
2 (11)
1 (6)
|
37 (70)
11 (21)
-
|
72 (81)
9 (10)
4 (5)
|
0.148
|
RV mapping (n, %) |
49 (31) |
2 (11) |
22 (42) |
25 (28) |
0.040 |
Multielectrode mapping catheter (n, %) |
107 (67) |
9 (50) |
33 (62) |
65 (73) |
0.114 |
Clinical VT cycle length (mean ± SD) |
372±92 |
318±52 |
381±103 |
369±87 |
0.393 |
Epicardial access (n, %) |
46 (29) |
3 (17) |
14 (26) |
29 (33) |
0.402 |
Endocardial scar (%)(mean ± SD) |
15.8±13.1 |
8.2±5 |
12.3±11.8 |
18.8±13.7 |
0.008 |
Epicardial scar (%)(mean ± SD) |
17.7±25.3 |
- |
24.3±29.4 |
15.1±23.6 |
0.335 |
Radiofrequency time (min)(mean ± SD) |
21.9±13.2 |
13.8±6.4 |
19.1±10.1 |
23.7±14.5 |
0.215 |
PVS at the end of procedure (n, %) |
129 (81) |
7 (39) |
44 (83) |
78
(88) |
<0.0001 |
Major complications
- Vascular
- Tamponade
- Stroke
- Acute hemodynamic decompensation
- Coronary oclussion
|
4 (2.5)
4 (2.5)
-
9 (5.6)
1 (0.6)
|
1 (5.6)
1 (5.6)
-
-
-
|
2 (3.8)
3 (5.7)
-
4 (7.5)
-
|
1 (1.1)
-
-
5 (5.6)
1 (1.1)
|
0.329
|