Table 1 Overview of mean lesion dimensions across the evaluated contact force range (5–30 g), comparing the very high-power short-duration and high-power short-duration protocols.

From: Comparative lesion metrics analysis of very high power and high power short duration radiofrequency ablation in a Porcine ex vivo model

Lesion metrics

vHP-SD

90 W/4 s

(n = 1201)

HP-SD-4

50 W/4 s

(n = 1201)

HP-SD-15

50 W/15 s

(n = 1201)

p-value

vHP-SD

vs.

HP-SD-4

p-value

vHP-SD

vs.

HP-SD-15

p-value

HP-SD-4

vs.

HP-SD-15

Lesion depth1

(mean ± SD) [mm]

3.16 ± 0.41

2.42 ± 0.61

4.49 ± 0.66

< 0.001

< 0.001

< 0.001

Maximum lesion diameter1

(mean ± SD) [mm]

7.34 ± 0.92

6.02 ± 1.00

9.13 ± 1.59

< 0.001

< 0.001

< 0.001

Surface diameter1

(mean ± SD) [mm]

4.79 ± 0.95

4.08 ± 0.93

4.45 ± 1.02

< 0.001

0.008

0.004

Lesion volume1

(mean ± SD) [mm3]

96.4 ± 28.8

52.0 ± 22.5

211.4 ± 95.3

< 0.001

< 0.001

< 0.001

Mean power output1

(mean ± SD) [mm3]

59.1 ± 15.6

37.5 ± 3.4

40.5 ± 7.0

< 0.001

< 0.001

< 0.001

  1. vHP-SD, very high-power short-duration, HP-SD, high-power short-duration; 1: The mean values were calculated based on 120 lesions (= 20 lesions per contact force level (5, 10, 15, 20, 25, and 30 g)).
Back to article page