Procedural Efficiency, Efficacy, and Safety of High-Power, Short-Duration Radiofrequency Ablation Delivered by STSF Catheter for Paroxysmal Atrial Fibrillation
Table 3
Procedural characteristics and freedom from AF recurrences following a blanking period of three months.
Characteristics
Control group (n = 36)
Study group (n = 36)
value
Left PVI time (min)
41.3 ± 6.2
32.1 ± 7.0
<0.001
Right PVI time (min)
33.1 ± 4.5
29.1 ± 7.0
0.007
Procedural time (min)
145.4 ± 34.3
111.8 ± 36.1
<0.001
Fluoroscopy time (min)
4.5 (4.0–5.0)
4.0 (3.25–5.0)
0.129
First pass isolation n (%)
61/72 (84.7)
69/72 (95.8)
0.023
Irrigation fluid volume (mL)
966 ± 227
767 ± 171
<0.001
Steam pop (n (%))
2 (5.6)
3 (8.3)
0.643
Freedom from AF recurrences (n (%))
31/33 (93.9)
27/31 (87.1)
0.348
Data are expressed as the mean ± SD or n (%) (fluoroscopy time was expressed in quartiles). PVI, pulmonary vein isolation; AF, atrial fibrillation.
