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Hyper accuracy three-dimensional (HA3D™) technology for planning complex liver resections: a preliminary single

Andrea Ruzzenente1, Laura Alaimo2, Simone Conci2

  • 1Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy. andrea.ruzzenente@univr.it.

Updates in Surgery
|August 25, 2022
PubMed
Summary

Three-dimensional visualization technology (3DVT) enhances complex liver surgery planning. This technology improves surgeon understanding of liver anatomy and increases resection accuracy, leading to more tailored surgical approaches.

Keywords:
Hepato-biliary surgeryLiver anatomyLiver resectionPreoperative planningThree-dimensional visualization technology

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Area of Science:

  • Hepatobiliary Surgery
  • Surgical Technology
  • Medical Imaging

Background:

  • Preoperative planning is crucial for complex liver resections.
  • Traditional two-dimensional imaging (2DI) may have limitations in visualizing intricate liver anatomy and vascular variations.
  • Three-dimensional visualization technology (3DVT) offers a potential advancement in surgical planning.

Purpose of the Study:

  • To assess the accuracy and impact of 3DVT for preoperative planning in complex liver resections.
  • To compare the information provided by 3DVT versus 2DI regarding tumor extension, liver anatomy, and vascular variations.
  • To evaluate the influence of 3DVT on surgical procedure planning and outcomes.

Main Methods:

  • Observational study involving 62 patients undergoing complex liver resections.
  • Collection of anatomical data using both 2DI and 3DVT (HA3D™ technology).
  • Prospective recording of intraoperative and postoperative outcomes, including surgical procedure changes and vascular invasion detection.

Main Results:

  • 3DVT identified vascular variations in 59.7% of patients and suspected tumor invasion in 31.4% of cases, compared to 15.7% with 2DI.
  • Surgical plans were modified in 29.4% of cases after utilizing 3DVT due to clearer anatomical insights.
  • Right hepatectomy was the most common procedure (33.3%), with vascular resection performed in 19.6% of patients.

Conclusions:

  • 3DVT provides a more detailed and accurate understanding of liver anatomy and tumor extent for complex liver surgery.
  • The technology facilitates a more tailored surgical approach, potentially improving surgical accuracy and patient outcomes.
  • 3DVT is a valuable tool for preoperative planning, enhancing surgeons' ability to manage complex liver resections effectively.