• Chao-Feng Chang, Tien-Yu Huang, Hsin-Hung Huang, Yu-Lueng Shih, Wei-Kuo Chang, Tsai-Yuan Hsieh, Lian-Shan Wu, Kai-Wen Chen, and Hsuan-Hwai Lin.
• Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei.
• Medicine (Baltimore). 2020 Oct 9; 99 (41): e22556e22556.

AbstractSedation esophagogastroduodenoscopy (EGD) has become more prevalent in many countries. However, owing to the limitation of health insurance payment for sedation EGD in Taiwan, non-sedation EGD still accounts for the majority of cases. This study was aimed to explore the differences between the sedation and non-sedation groups in terms of endoscopic findings, such as detection rate of gastric polyp of any size, number of detected gastric polyps, and location of the gastric polyps detected.We enrolled 10,940 patients who underwent EGD between January 1, 2016 and December 31, 2016 at the Tri-Service General Hospital; among the patients, 1900 received intravenous sedation (IVS) and 9040 did not. The data reviewed included demographics, parameters of the polyp (number, size, and location), and pathology.Compared with the non-sedation group, the sedation group had a higher overall polyp detection rate (P < .001); a greater number of detected polyps (Odds ratio 1.50, P = .007); and a higher detection rate of smaller polyps, such as fundic gland polyp, and hyperplastic polyp (P < .001). Among the pathological findings, gastric neuroendocrine tumor (NET) was detected using EGD in 2 cases and manifested as small polyps (<0.05 cm), and it showed significantly better detection rates in the sedation EGD group than in the non-sedation EGD group (P = .002).Sedation EGD could enhance a patients willingness and cooperation during EGD. Furthermore, sedation EGD increased the detection rates of small gastric polyps and was more likely to enable identification of unusual findings, such as gastric NET.

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