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Updated: Nov 7, 2025

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Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
Published on: February 12, 2022
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Intraoperative complications during laparoscopic total mesorectal excision
1Department of Colorectal Surgery, Haut-Levèque Hospital, University of Bordeaux, Pessac, France.
Minerva Surgery
|May 4, 2021
Summary
Intraoperative complications during laparoscopic mesorectal excision for rectal cancer occur in 11-15% of cases. Preventing these issues, including hemorrhage and tumor perforation, is crucial to avoid severe side-effects and operative death.
Area of Science:
- Surgical Oncology
- Gastrointestinal Surgery
- Minimally Invasive Surgery
Background:
- Laparoscopic mesorectal excision is a standard procedure for rectal cancer.
- Intraoperative complications are common, affecting 11-15% of patients.
- These complications are often underestimated due to inconsistent reporting.
Purpose of the Study:
- To review the mechanisms, management, and prevention of intraoperative complications during laparoscopic mesorectal excision.
- To highlight the significance of preventing these complications.
Main Methods:
- Literature review focusing on intraoperative complications in laparoscopic mesorectal excision.
- Analysis of reported complication rates, types, and contributing factors.
Main Results:
- Hemorrhage (3-7%), tumor perforation (1-4%), and bowel injury (1-3%) are the most frequent complications.
- Other injuries include ureter (1%), urogenital (2%), and anastomotic complications (1%).
- Mechanisms and prevention strategies for specific injuries like vascular port injury and pelvic nerve damage are discussed.
Conclusions:
- Preventing intraoperative complications is essential for improving patient outcomes.
- Systematic reporting and proactive management are necessary to reduce morbidity and mortality associated with these procedures.

