ArticleJournal of hepato-biliary-pancreatic sciences2025
Novel Surgical Technique of Liver Parenchyma Transection During Robotic-Assisted Liver Resection: "Trac & Pac".
Article in Journal of hepato-biliary-pancreatic sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Impact of robotic approach on total operating room time and surgical workflow in minimally invasive liver resection (TAKUMI-8).Surgical endoscopy · 2026Article
- Bona Fide Intersegmental Plane Hepatectomy Along the Glissonean Branches (BIPHG).Annals of gastroenterological surgery · 2026Review
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9 authors.
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Abstract
background/purposeA standardized liver parenchymal transection method in robotic-assisted liver resection has not yet been established, and the techniques used vary among institutions. We developed a novel transection technique for robotic-assisted liver resection termed "Trac & Pac," which uses maryland bipolar forceps with a gentle stroking motion and strategic traction to progressively expose and dissect the liver parenchyma.
methodsWe described the technical details of "Trac & Pac" and Evaluated its short-term outcomes (2022-2025), comparing them with those of conventional laparoscopic liver resection using the Cavitron Ultrasonic Surgical Aspirator (CUSA) (2018-2022).
resultsThe robotic-assisted liver resection group included 26 patients who underwent robotic left or right hepatectomy with the "Trac & Pac" technique, whereas the laparoscopic liver resection group comprised 34 patients who underwent laparoscopic left or right hepatectomy using the CUSA. The robotic group had a longer time from pneumoperitoneum to the start of intra-abdominal manipulation than the laparoscopic group (p < 0.001). Both groups had similar parenchymal transection times, blood loss, and postoperative complications.
conclusions"Trac & Pac" is a safe and feasible robotic-assisted liver parenchymal transection technique that may provide a new solution for improving precision and exposure in minimally invasive liver surgery.
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