HBA (n = 79) CBA (n = 79) P value
Baseline rhythm is AF 79 (100%) 79 (100%) -
Termination of AF during PVI 19 (24%) 31 (39%) 0.04
Amount of fluid injected into hot balloon (mL)
LSPV 11.7 ± 1.6 - -
Left upper aspect of the posterior LA wall 14.2 ± 1.7 - -
LIPV 11.6 ± 1.5 - -
RSPV 11.7 ± 1.3 - -
Right upper aspect of the posterior LA wall 13.4 ± 1.6 - -
RIPV 11.1 ± 1.5 - -
Energy application time (seconds)
LSPV 185 ± 33 191 ± 32 0.21
Left upper aspect of the posterior LA wall 145 ± 18 - -
LIPV 145 ± 17 162 ± 28 <0.001
RSPV 172 ± 26 166 ± 27 0.17
Right upper aspect of the posterior LA wall 124 ± 8 - -
RIPV 145 ± 13 167 ± 27 <0.001
Touch up ablation 15 (19%) 12 (15%) 0.52
LSPV 12 (15%) 2 (3%) <0.01
LIPV 0 (0%) 2 (3%) 0.16
RSPV 2 (3%) 3 (4%) 0.65
RIPV 1 (1%) 5 (6%) 0.09
CTI ablation 9 (11%) 32 (41%) <0.001
Procedure time (minutes) 155 ± 35 164 ± 60 0.22
Fluoroscopy time (minutes) 45 ± 10 37 ± 13 <0.01
Total mapping points 2018 ± 692 2051 ± 671 0.827
Ablation area
Total IASA + pLAWSA (cm2) 42.2 ± 9.5 42.5 ± 11.5 0.83
Total IASA (cm2) 26.3 ± 11.0 21.4 ± 7.0 <0.001
ISA (%) 61 ± 16 51 ± 12 <0.001