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Published on: October 6, 2023
Differences between bipolar compression and ultrasonic devices for parenchymal transection during laparoscopic liver
Nsehniitooh A Mbah1, Russell E Brown, Matthew R Bower
1Division of Surgical Oncology, Department of Surgery, University of Louisville School of Medicine, 315 East Broadway #312, Louisville, KY 40202, USA.
Summary
Bipolar compression devices may reduce operative time in laparoscopic liver resection compared to ultrasonic devices. This study found no significant difference in postoperative complications between the two parenchymal transection techniques.
Area of Science:
- Hepatobiliary Surgery
- Minimally Invasive Surgery
- Surgical Technology
Background:
- Laparoscopic liver resection offers advantages but requires effective parenchymal transection.
- Current techniques for parenchymal division lack a clear superiority.
Purpose of the Study:
- To compare operative characteristics and outcomes of bipolar compression versus ultrasonic devices for parenchymal transection in laparoscopic liver resection.
Main Methods:
- A retrospective review of 54 patients undergoing laparoscopic liver resection was conducted.
- Patients were divided into those using bipolar compression (n=35) or ultrasonic (n=19) devices.
- Operative data, histology, and 90-day complication rates were analyzed.
Main Results:
- Bipolar compression demonstrated significantly shorter parenchymal transection time (35 min vs. 55 min) and total operative time (130 min vs. 180 min).
- No significant differences were observed in estimated blood loss, overall complications, or liver-specific complications between the groups.
- Patient demographics and disease characteristics were similar between the device groups.
Conclusions:
- Bipolar compression devices may be advantageous, potentially reducing operative time in laparoscopic liver resection.
- Both bipolar compression and ultrasonic devices appear equally safe regarding postoperative complications in this patient cohort.

