Publications by authors named "G Zimmitti"

Background: Minimal access liver surgery (MALS) is considered superior to open liver resection (OLR) in reducing the perioperative risk in patients affected by hepatocellular carcinoma (HCC). No national-level comparisons exist based on procedure complexity. This study aims to compare postoperative complications, postoperative ascites (POA), and major complications (MC) between MALS and OLR.

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  • The study investigates how the length of time taken during liver surgeries affects the likelihood of postoperative complications in patients undergoing different types of liver resections.
  • A total of 5,424 patients were analyzed from multiple centers between 2000 and 2022, focusing on procedures like right hemihepatectomy, technically major resection, and left lateral sectionectomy.
  • Results show that patients in the longest operative time group had a significantly higher risk of complications, particularly in various surgical approaches like open, laparoscopic, and robotic surgeries.
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  • A study was conducted to compare robotic minor liver resections (RMLR) with laparoscopic minor liver resections (LMLR) in patients undergoing surgery on the anterolateral liver segments.
  • The analysis included over 10,000 patients and employed propensity score matching to balance the groups for accuracy in comparisons.
  • Results indicated RMLR had benefits like less blood loss, lower major morbidity, and shorter hospital stays than LMLR, although the difference in 30-day readmission rates suggested RMLR may have some drawbacks.
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Background: It is well known that laparoscopic liver surgery can offer advantages over open liver surgery in selected patients. However, what type of procedures can benefit most from a laparoscopic approach has been investigated poorly thus far. The aim of this study is thus to define the extent of advantages of laparoscopic over open liver surgery for lesions in the anterolateral (AL) and posterosuperior (PS) segments.

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  • The study aimed to create global benchmark outcome indicators for laparoscopic right posterior sectionectomies (L-RPS/H67) to improve surgical standards.
  • It analyzed data from 854 patients across 57 centers globally, establishing key performance benchmarks for low-risk cases based on specific outcome indicators.
  • The findings set standard benchmarks for metrics like operation time and complication rates, serving as a reference for surgical auditing and improvement.
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