Low-Dose Ibutilide Combined with Catheter Ablation of Persistent Atrial Fibrillation: Procedural Impact and Clinical Outcome
Table 2
Procedural parameters.
Total ()
CPVI responders ()
LA substrate responders ()
Nonresponders ()
value
Ablation time (sec)
Total ablation time (sec)
2542 ± 783
1981 ± 566
2860 ± 736
2813 ± 702
<0.001
RPV ablation time (sec)
808 ± 249
813 ± 255
805 ± 260
809 ± 228
0.984
LPV ablation time (sec)
897 ± 272
955 ± 281
851 ± 249
911 ± 294
0.259
LA ablation time (sec)
812 ± 384
777 ± 403
862 ± 355
0.319
Fluoroscopy time (min)
23 ± 7
22 ± 7
22 ± 7
25 ± 7
0.084
Fluoroscopy dose (mGy)
303 ± 152
287 ± 132
305 ± 179
323 ± 133
0.561
Saline (ml)
1012 ± 277
804 ± 224
1162 ± 257
1065 ± 195
<0.001
LAA baseline AFCL (ms)
148 ± 21
159 ± 23
145 ± 16
138 ± 18
<0.001
LAA maximal AFCL (ms)
186 ± 25
213 ± 25
185 ± 20
172 ± 17
<0.001
Values are presented as mean ± SD. RPV: right pulmonary vein; LPV: left pulmonary vein; LA: left atrium; LAA: left atrial appendage; AFCL: atrial fibrillation cycle length.
