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Table 2 Results of the in vivo studies comparing the new device with Tissue-Link®.

From: Research and development of a new RF-assisted device for bloodless rapid transection of the liver: Computational modeling and in vivo experiments

 

New device under test

Tissue-Link®

P*

Output variable

Open

Laparoscopic

Open

-

Transection time (min)

12 ± 3

13 ± 7

21 ± 7

0.006

Blood loss (mL)

70 ± 74

26 ± 34

527 ± 273

0.001

Transection area (cm2)

35 ± 7

34 ± 11

41 ± 8

N.S.

Transection speed (cm2/min)

3 ± 0

3 ± 1

2 ± 1

0.002

Blood loss per transection area (mL/cm2)

2 ± 2

1 ± 1

13 ± 6

0.001

Tissue coagulation depth (mm)

6 ± 2

9 ± 2

3 ± 1

0.005

  1. * Mean values were compared between both methods only in the open approach.
  2. Differences in variables were considered to be significant at a threshold of P < 0.05.
  3. N.S: no significant differences.