Table 2 Procedural data of AF ablation in both study groups
Procedural data | Young group | Old group | P value |
|---|---|---|---|
Fluroscopy time (minutes) | 49.5 ± 28.7 | 49.8 ± 30.6 | 0.98 |
Procedural time (minutes) | 159.9 ± 33.1 | 170.9 ± 30.1 | 0.152 |
PV anatomy | 0.8 | ||
Four separate PV ostia | 23 (76.7%) | 37 (80.4%) | |
Common LPV ostium | 6 (20%) | 8 (17.4%) | |
Common RPV ostium | 1 (3.3%) | 1 (2.2%) | |
Voltage map data | 0.02 | ||
Presence of LA scar | 0 | 10 (21.7%) | |
Total scar size (% of total atrial mass) | 10.2 (5–20) % | ||
PVI attempted | 30 (100%) | 46 (100%) | |
PVPs | 0.946 | ||
Eliminated | 22 (73.3%) | 33 (71.7%) | |
Dissociated | 8 (26.6%) | 13 (28.3%) | |
Exit block | 30 (100%) | 46 (100%) | |