Comparative Study on the Effectiveness, Safety, and Economic Costs of Endoscopic Submucosal Dissection for Colorectal Tumors Under Conscious Sedation and General Anesthesia

Author:

Li Yanrong1,Wang Jing2,Hong Ye1,Wu Qi2

Affiliation:

1. Endoscopy Center, Shaanxi Provincial Cancer Hospital, Xi’an, China

2. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Endoscopy Center, Peking University Cancer Hospital and Institute, Beijing, China

Abstract

Background: Endoscopic submucosal dissection (ESD) is a minimally invasive surgical procedure used for en bloc removal of colorectal tumors. Although colorectal ESD is ideally conducted under conscious sedation, it is often performed under general anesthesia because of its complexity and lengthy duration. Currently, there is limited research on colorectal ESD performed under conscious sedation. The purpose of this study was to evaluate the effectiveness, safety, and economic cost of colorectal ESD under conscious sedation compared to general anesthesia. Materials and Methods: Retrospective analysis of 301 patients who underwent ESD treatment for colorectal tumors at the Endoscopy Center of Peking University Cancer Hospital from January 2018 to November 2020. Patients were divided into the sedation group (group S, n=88) and the general anesthesia group (group A, n=213) based on the anesthetic method. To balance the confounding factors between the 2 groups, 75 matched pairs were obtained after using propensity score matching (PSM). Intraoperative and postoperative parameters were then compared between the matched groups. Results: After PSM, there was no statistically significant difference between group S and group A in terms of the surgical time, en bloc resection rate, and complete resection rate. There was also no statistically significant difference in the occurrence rates of bleeding, perforation, and post-ESD electrocoagulation syndrome (PEECS) between the 2 groups. However, the length of hospital stay was significantly shorter in group S (1.23±0.89d) than in group A (5.92±3.05d) (P<0.05). The hospitalization costs were also significantly lower in group S (16482.34±13154.32 yuan) compared with group A (34743.74±13779.40 yuan) (P<0.05).   Conclusions: Compared to general anesthesia, performing ESD for colorectal tumors under conscious sedation has equivalent effectiveness and safety while shortening the hospital stay and reducing the economic costs.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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