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Table 3 Acute procedural acute success rate in various types of ablation

From: Catheter ablation of atrial fibrillation in Korea: results from the Korean Heart Rhythm Society Ablation Registry for Atrial Fibrillation (KARA)

Type of ablation Number
(N = 2402)
Success1
PVI 2378 (99.0%) 2352 (97.9%)
Dormant conduction
 None 780 (32.5%)
 Presence 96 (4.0%)
 Not assessed 1526 (63.5%)
Any non-PV ablation 1648 (68.6%)
Linear ablation 1511 (62.9%)
 LA roof 338 (14.1%) 201 (59.5%)
 LA inferior 142 (5.9%) 79 (55.6%)
 LA anterior 97 (4.0%) 54 (55.7%)
 LA mitral isthmus 205 (8.5%) 126 (61.5%)
 Cavotricuspid isthmus 1366 (56.9%) 1326 (97.1%)
 SVC-IAS 149 (6.2%) 21 (14.1%)
Non-PV trigger ablation 405 (16.9%)  
 LA appendage 127 (5.3%) 14 (11.0%)
 SVC 266 (11.1%) 244 (91.7%)
 Coronary sinus 111 (4.6%) 87 (78.4%)
 Ligament of Marshall 23 (1.0%) 8 (34.8%)
 Crista terminalis 16 (0.7%) 10 (62.5%)
Other focal ablations2 80 (3.3%)
CFAE ablation 254 (10.6%)
GP ablation 16 (0.7%)
FIRM ablation 1 (0.0%)
  1. Data are expressed in frequency (percentage)
  2. 1The percentage was calculated as the number of each type of ablation as denominator and the number of success as numerator
  3. 2It included any focal atrial ablation not mentioned in this table (e.g. LA or RA free wall, interatrial septum, slow pathway, or bypass tract)
  4. AF, atrial fibrillation; AT, atrial tachycardia; CFAE, complex fractionated atrial electrogram; DC, direct current; FIRM, focal impulse and rotor modulated; GP, ganglionated plexus; IAS, interatrial septum; LA, left atrium; PVI, pulmonary vein isolation; RA, right atrium; SVC, superior vena cava