• Shuai Zheng, Zimin Zhao, Honghong Zheng, Jianjun Li, Ji Yang, and Enhong Zhao.
• Department of Gastrointestinal Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei 067000, China.
• Medicine (Baltimore). 2022 Aug 26; 101 (34): e30087.

SummaryThis study investigated the safety, feasibility, and clinical outcomes of natural orifice specimen extraction surgery (NOSES) by collecting clinical from patients who underwent complete laparoscopic radical resection for colorectal cancer versus those who underwent conventional laparoscopic radical resection for colorectal cancer. Patients with colorectal cancer were selected as the study sample and grouped according to the different surgical methods. A total of 182 patients were eligible for enrollment in the study, including 92 patients who underwent NOSES (NOSES group) and 90 patients who underwent conventional laparoscopic radical colorectal cancer surgery. In the NOSES group, a total of 14 cases were observed to have a postoperative abdominal infection, and the remaining 78 cases did not have an abdominal infection, which we refer to as the infected and uninfected groups in this paper for further analysis. There was no difference in surgical outcome between NOSES surgery and conventional laparoscopic surgery. Diabetes mellitus, prolonged drain retention, and prolonged operative time were risk factors for the development of abdominal infection in NOSES. In contrast, intraoperative use of specimen retrieval bags, use of transanal endoscopic operations, and intraoperative flushing of the abdominal cavity with dilute iodophenol were protective factors for the development of postoperative abdominal infections. NOSES for colorectal cancer is worth promoting because of its small trauma and quick postoperative recovery.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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