%0 Journal Article
%T Novel gastric endoscopic submucosal dissection training model enhances the endoscopic submucosal dissection skills of trainees: a multicenter comparative study.
%A Mitsui T
%A Sunakawa H
%A Yoda Y
%A Nishio M
%A Kondo S
%A Hamanaka J
%A Tokoro C
%A Nakajo K
%A Maeda S
%A Yano T
%A Hirasawa K
%J Surg Endosc
%V 38
%N 6
%D 2024 Jun 15
%M 38619558
%F 3.453
%R 10.1007/s00464-024-10838-3
%X <B>BACKGROUND: </B>Endoscopic submucosal dissection (ESD) requires high endoscopic technical skills, and trainees should develop effective training methods. In collaboration with KOTOBUKI Medical, we developed the G-Master, which is a non-animal training model that can simulate various parts of gastric ESD. We aimed to clarify the usefulness of the G-Master for inexperienced ESD trainees.<BR><B>METHODS: </B>We collected data from the first 5 gastric ESD cases conducted by 15 inexperienced ESD trainees at 5 participating centers between 2018 and 2022. The participants were divided into two groups: the G-Master training and non-G-Master training groups. Outcome measurements, such as procedural speed, perforation rate, self-completion rate, and en bloc resection rate, were compared between the two groups retrospectively.<BR><B>RESULTS: </B>A total of 75 gastric ESD cases were included in this study. The G-Master training group included 25 cases performed by 5 trainees, whereas the non-G-Master training group included 50 cases performed by 10 trainees. The median procedural speed for all cases was significantly faster in the G-Master training group than in the non-G-Master training group. Moreover, the procedural speed was linearly improved from the initial to the last cases in the lower location in the G-Master training group compared with the non-G-Master training group. In addition, although there was no significant difference, the G-Master training group showed lower rates of perforation and a lesser need to transition to expert operators than the non-G-Master training group.<BR><B>CONCLUSIONS: </B>The G-Master could improve the ESD skills of inexperienced ESD trainees.