A novel technique for parenchymal division during hepatectomy

Area of Science:

• Hepatobiliary Surgery
• Surgical Technology
• Minimally Invasive Procedures

Background:

• Hemorrhage is a primary complication in hepatic resection surgery.
• Effective control of bleeding during liver surgery is essential for patient outcomes.
• Current techniques for hepatic parenchymal division can be associated with significant blood loss.

Purpose of the Study:

• To introduce and evaluate a novel technique for hepatic parenchymal division.
• To assess the efficacy of combining an ultrasonic dissector with a Ligasure clamp for liver resection.
• To determine the impact of this technique on intraoperative blood loss during hepatectomy.

Main Methods:

• A novel technique involving an ultrasonic dissector for hepatocyte fracture was employed.
• Bridging arteries, veins, and ducts were left intact by the dissector.
• The Ligasure clamp was used to heat-seal these structures, followed by transection with surgical scissors.
• Six consecutive liver resections were performed using this combined approach.

Main Results:

• The described technique facilitates rapid and safe hepatic parenchymal division.
• Minimal blood loss was observed, with a range of 425 to 700 mL across six cases.
• The method effectively controlled bleeding from transected liver parenchyma.

Conclusions:

• This novel technique offers a simple and effective method for hepatic parenchymal division during hepatectomy.
• The combination of ultrasonic dissection and Ligasure sealing significantly reduces blood loss.
• This approach represents a promising advancement in minimizing hemorrhage during liver resections.