Newswise — DALLAS – Jan. 04, 2023 – Robotic surgery offers significant benefits over laparoscopic procedures for many patients undergoing colectomies for colon cancer, according to a study by UT Southwestern Medical Center.
The findings, published in the World Journal of Surgical Oncology, show that patients undergoing robotic surgery in the vast majority of colectomies – the surgical removal of a portion of the large intestine – experienced shorter hospital stays and lower rates of complications. Additionally, they had more lymph nodes harvested and, as a result, had a more accurate determination of what stage the cancer was in.
They also had fewer conversions to open surgery necessitated by anatomical challenges and fewer instances of postoperative ileus – the inability of the intestine to contract naturally, which can lead to a life-threatening blockage.
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“Colorectal cancer is one of the most common types of cancer with more than 150,000 new cases in the U.S. every year,” said study leader Patricio M. Polanco, M.D., Associate Professor of Surgery in the Division of Surgical Oncology and a member of the Harold C. Simmons Comprehensive Cancer Center. He is also Director of UTSW’s Robotic Surgery Training Program and co-Director of the Pancreatic Cancer Program.
“Robotic surgery for colectomies is quickly becoming the preferred approach due to its multiple benefits for the surgeon, which include better 3D visualization and a stable camera, improved dexterity and instrument control, and reduced fatigue and hand tremor,” he said. “Prior to this study, however, there was little real-world evidence demonstrating its efficacy compared to laparoscopic techniques.”
While both laparoscopic and robotic surgery are considered minimally invasive and use small incisions and a camera to view the procedure, there are important differences. Surgeons performing laparoscopy manipulate the tools by hand and use a thin, telescopic rod outfitted with a tiny 2D camera – called a laparoscope – to view the surgical site.
Robotic surgery has a control console that the surgeon uses to maneuver the robotic arms outfitted with surgical tools. This more advanced technology not only creates a higher-quality 3D view of the procedure, but it also offers better precision and range of motion and eliminates any hand tremors from the surgeon.
To compare the outcomes achieved by the two forms of surgery, UTSW researchers conducted a retrospective cohort study using the American College of Surgeons National Surgical Quality Improvement Program database from 2015-2020. A total of 53,209 colectomy cases from across the U.S. were included.
