|
| Study | Country | Sample size | Mean age (SD) | Intervention (sample size) | Comparison | Mean follow-up time | Outcomes assessed |
|
| Pérez-Castellano et al. [13] | Spain | 50 | CB = 58 (45, 62)
IRF = 56 (40, 61) | Irrigated radiofrequency energy () | Cryoballoon () | 12 months | (i) Freedom from atrial fibrillation, ablation time, procedure time, fluoroscopy time, complications |
| Herrera Siklódy et al. [15] | France | 60 | CB = 57 (8)
IRF = 56 (10) | Irrigated radiofrequency energy () | Cryoballoon () | 12 months | (i) Freedom from atrial fibrillation, procedure time, fluoroscopy time, complications, biochemical response |
| Pokushalov et al. [14] | Russia | 80 | CB = 56 (9)
IRF = 56 (11) | Irrigated radiofrequency energy () | Cryoballoon () | 12 months | (i) Freedom from atrial fibrillation, procedure time, fluoroscopy time, complications |
| Hunter et al. [16] | United Kingdom | 234 | CB = 56 (11)
IRF = 61 (12)
Combined = 58 (12) | Irrigated radiofrequency energy ()
Combined () | Cryoballoon () | 12 months | (i) Freedom from atrial fibrillation, procedure time, fluoroscopy time, complications |
| Schmidt et al. [17] | Germany | 99 | CB = 66 (10)
IRF = 63 (10)
LB = 65 (8) | Irrigated radiofrequency energy ()
Laser balloon () | Cryoballoon () | Postoperative | (i) Asymptomatic cerebral lesions procedure time |
| Kuck et al. [6] | Germany | 750 | CB = 59.9 (9.8)
IRF = 60.1 (9.2) | Irrigated radiofrequency energy () | Cryoballoon () | 1.5 years | (i) Recurrence of atrial fibrillation, procedure time, fluoroscopy time, complications |
| Luik et al. [5] | Germany | 215 | CB = 61 (54, 66)
IRF = 60 (54, 67) | Irrigated radiofrequency energy () | Cryoballoon () | 12 months | (i) Freedom from atrial fibrillation, complications |
| Malmborg et al. [18] | Sweden | 110 | CB = 59 (9)
PDRF = 62 (7) | Phased duty-cycled radiofrequency energy () | Cryoballoon () | 12 months | (i) Freedom from atrial fibrillation, ablation time, procedure time, fluoroscopy time, complications, quality of life |
|
