Abstract
Rectal cancer is one of the most common malignant tumours worldwide, and it is also one of the major diseases that seriously threatens human life and health. At present, the main treatment for rectal cancer is still surgical treatment. The surgical methods have been rapidly developed from the previous open surgery to the current minimally invasive surgery. At present, there are two main minimally invasive surgeries: robotic surgery and laparoscopic surgery. Due to the particularity of rectal cancer surgery, more and more studies have shown that robotic rectal cancer surgery has more advantages than laparoscopic rectal cancer surgery. However, whether the incidence of postoperative complications after robotic rectal cancer surgery is lower than that after laparoscopy is not uniformly conclusive in the current study. Therefore, in this paper, we searched Pubmed, Cochrane Library, Embase and other databases, collected the latest published meta-analysis on postoperative complications of robots and laparoscopy in rectal cancer, and assessed the quality of the included meta-analysis by AMSTAR-2 evaluation tool, so as to explore the current research status and research quality of postoperative complications of robots and laparoscopy in rectal cancer. The results showed that compared with laparoscopic rectal cancer surgery, robotic rectal cancer surgery could improve the postoperative urinary and reproductive function of male patients, but it could not be proved that robotic rectal cancer surgery could reduce the incidence of postoperative complications, anastomotic leakage, urinary retention, intestinal obstruction, anastomotic bleeding, incision infection, pulmonary infection, venous thrombosis and abdominal abscess; however, the overall quality of meta-analysis of the results of each complication was low or very low. Therefore, multicenter, large-sample, high-quality prospective randomised controlled studies and high-quality meta-analysis are still needed to prove the advantages of robotic rectal cancer surgery in postoperative complications in the future.
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