Table 2 Comparisons of procedural data between the HPSD group and conventional group

Procedure time (min, IQR)

181.0 (150.0–222.5)

213.0 (180.0–242.5)

0.012^*

Radiofrequency time (min, IQR)

29.5 (24.7–43.0)

47.0 (40.8–53.0)

 < 0.001^*

Irrigation volume (ml, IQR)

666.0 (544.8–950.0)

984.5 (869.0–1137.5)

 < 0.001^*

Fluoroscopy time (min, IQR)

6.0 (4.0–9.0)

5.5 (3.0–9.0)

0.560^*

Cardioversion (n, %)

11 (22%)

19 (38%)

0.081^†

First pass PVI

 RPV (n, %)

32 (64%)

34 (68%)

0.673^†

 LPV (n, %)

41 (82%)

40 (80%)

0.799^†

Ablation strategy

 PVI only (n, %)

28 (56%)

20 (40%)

0.109^†

 PVI plus (n, %)

22 (44%)

30 (60%)

  Roof line (n, %)

17 (34%)

23 (46%)

0.221^†

  Floor line (n, %)

12 (24%)

18 (36%)

0.190^†

  Mitral isthmus line (n, %)

8 (16%)

11 (22%)

0.444^†

  Cavotricuspid isthmus line (n, %)

9 (18%)

11 (22%)

0.617^†

  SVC isolation (n, %)

4 (8%)

4 (8%)

0.99^‡

  Substrate modification (n, %)

3 (6%)

4 (8%)

0.99^‡

Procedural anticoagulation management

 Loading dose of heparin (IU, IQR)

7750 (7000–8000)

8000 (7500–8625)

0.131^*

 Total dose of heparin (IU, IQR)

8500 (7500–11500)

9000 (8000–11250)

0.470^*

 ACT before energy delivery (S, IQR)

292.5 (273.0–329.5)

299.0 (259.0–333.5)

0.634^*

 Mean ACT during procedure (S, IQR)

285.0 (274.3–305.5)

295.5 (282.0–313.0)

0.094^*

 Maximum ACT during procedure (S, IQR)

304.0 (290.3–333.5)

317.5 (298.0–338.5)

0.287^*

 Minimum ACT during procedure (S, IQR)

270.0 (246.0–285.0)

279.0 (250.3–298.5)

0.101^*

Steam pop (n, %)

3 (6%)

1 (2%)

0.617^‡

Pericardial effusion (n, %)

1 (2%)

2 (4%)

0.99^‡