Articles included for comprehensive analysis
| (A) Acute success | ||||||||
| Study | N | PAF, n (%) | LA size, mean (mm)±SD | LVEF, mean (%)±SD | Acute success of LSPV | Acute success of LIPV | Acute success of RSPV | Acute success of RIPV |
| Kajiyama et al7 | 110 | 110 (100) | 37.7±5.3 | 66.2±7.1 | 95% (102/107) | 92.4% (98/106) | 96.8 (92/95) | 85% (85/100) |
| Yasuoka et al8 | 30 | 30 (100) | 40±5 | 67±7 | – | 93.3% (28/30) | – | 76.7% (23/30) |
| Matsumoto et al9 | 100 | 78 (78) | 37.0 (24.2–49.4) | 66.7 (52.4–78.3) | 96% (96/100) | 100% (100/100) | 92% (92/100) | 80% (80/100) |
| (B) AF recurrence | ||||||||
| Study | N | PAF, n (%) | LA size, mean (mm)±SD | LVEF mean (%)±SD | Duration of AF | Follow-up period | Outcomes (AF recurrence) | |
| Güler et al11 | 54 | 30 (55.6) | 35.4±4.5 | 63±2 | 19 (3–60) months | At 12 months | 20.4% (11/54) | |
| Kocyigit et al10 | 160 | 108 (67.5) | 63.6±2.9 | – | 17 (12–36) months | 24.3% (39/160) | ||
| Mulder et al14 | 88 | 88 (100) | 31±7 | 57±2 | 2.9 (1.2–6.6) years | At 12 months | 16.7% (14/84) | |
| Terasawa et al12 | 129 | 85 (66) | 43±7 | 57±7 | – | 18±14 months | – | |
| Vaishnav et al13 | 58 | 35 (60.3) | 41.2+7.7 | 54.16+8.09 | – | At 12 months | 65.5% (38/58) | |
| (C) Complication | ||||||||
| Study | N | PAF, n (%) | LA size, mean (mm)±SD | Outcomes | ||||
| Ichihara et al15 | 100 | 100 (100) | 37.9±5.3 | PNI (9%: 9/100) | ||||
| Ströker et al16 | 163 | 31 (76) at PNI group, 106 (86) at no PNI group | 40.4±7 at PNI group 39.6±7 at no PNI group | PNI (37%: 41/164) | ||||
| Maj et al17 | 90 | 30 (93.8) at group 1, 17 (73.9) at group 2, 30 (85.7) at group 3 | 41.4±6.8 at group 1 39.7±10.2 at group 2 41.8±5.7 at group 3 | PNI (2.1%) | ||||
| Miyazaki et al18 | 40 | 40 (100) | 37.3±5.9 | Oesophageal injury (32.5%: 13/40) | ||||
| Matsumoto et al19 | 110 | 105 (95) | 36.8±5.9 | Oesophageal injury (17.3%: 19/110) | ||||
| Coutiño et al20 | 74 | 74 (100) | 36.1±4.5 | Pulmonary vein stenosis (severe stenosis 1.1%: 3/271 PV) | ||||
| Narui et al21 | 54 | 54 (100) | 37.2±4.4 | Pulmonary vein stenosis (none severe stenosis) | ||||
| Wei et al22 | 90 | 25 (83) at haemoptysis group 51 (85) at no haemoptysis group | 39.3±4.9 at haemoptysis group 40.4±5.2 at no haemoptysis group | Haemoptysis (33.3%: 30/90) | ||||
AF, atrial fibrillation; LA, left atrium; LIPV, left inferior pulmonary vein; LSPV, left superior pulmonary vein; LVEF, left ventricular ejection fraction; PAF, paroxysmal atrial fibrillation; PNI, phrenic nerve injury; PV, pulmonary vein; RIPV, right inferior pulmonary vein; RSPV, right superior pulmonary vein; TS, transseptal.