Table 2. Peri-procedural data.
| Variable | Total (n=121) | Deep sedation (n=11) | General anaesthesia (n=110) | P value† |
|---|---|---|---|---|
| Position of the oesophagus | 0.30 | |||
| “A” position | 7 (5.9) | 0 (0.0) | 7 (6.4) | |
| “B” position | 46 (39.0) | 4 (36.4) | 42 (38.2) | |
| “C” position | 49 (40.5) | 5 (45.4) | 44 (40.0) | |
| “D” position | 16 (13.6) | 1 (9.1) | 15 (13.6) | |
| “E” position | 3 (2.5) | 1 (9.1) | 2 (1.8) | |
| Total fluoroscopy dose, mGy | 481 [297, 873] | 521 [313, 876] | 465 [293, 839] | 0.46 |
| Total fluoroscopy time, min | 10 [6.1, 14.9] | 11.3 [7.3, 17.3] | 9.2 [5.1, 16.9] | 0.31 |
| Maximum RF energy on the posterior wall of the LA, Watt | 15 [15, 30] | 15 [15, 30] | 15 [15, 30] | 0.99 |
| Maximum oesophageal temperature during RF application, ℃ | 41.5 [41.2, 41.8] | 42.0 [41.4, 42.4] | 41.5 [41.2, 41.8] | 0.08 |
| RF application on the posterior wall of the LA | 27 (22.4) | 3 (27.3) | 25 (22.7) | 0.73 |
| Time from ablation to oesophagoscopy, day | 2.0 [1.0, 3.0] | 3.0 [1.0, 4.0] | 2.0 [1.0, 4.0] | 0.45 |
Data are presented as n (%) or median [Q1, Q3]. †, Wilcoxon rank sum test, Fisher’s exact test or Welch two-sample t-test were used. LA, left atrium; RF, radiofrequency.