Usefulness of a new polyvinyl alcohol hydrogel (PVA-H)-based simulator for endoscopic submucosal dissection training: a pilot study
- Author:
Dong Seok LEE
1
;
Gin Hyug LEE
;
Sang Gyun KIM
;
Kook Lae LEE
;
Ji Won KIM
;
Ji Bong JEONG
;
Yong Jin JUNG
;
Hyoun Woo KANG
Author Information
- Publication Type:Original Article
- From:Clinical Endoscopy 2023;56(5):604-612
- CountryRepublic of Korea
- Language:English
-
Abstract:
Background/Aims:We developed a new endoscopic submucosal dissection (ESD) simulator and evaluated its efficacy and realism for use training endoscopists.
Methods:An ESD simulator was constructed using polyvinyl alcohol hydrogel sheets and compared to a previous ESD simulator. Between March 1, 2020, and December 30, 2021, eight expert endoscopists from three different centers analyzed the procedure-related factors of the simulator. Five trainees performed gastric ESD exercises under the guidance of these experts.
Results:Although the two ESD simulators provided overall favorable outcomes in terms of ESD-related factors, the new simulator had several benefits, including better marking of the target lesion’s limits (p<0.001) and overall handling (p<0.001). Trainees tested the usefulness of the new ESD simulator. The complete resection rate improved after 3 ESD training sessions (9 procedures), and the perforation rate decreased after 4 sessions (12 procedures).
Conclusions:We have developed a new ESD simulator that can help beginners achieve a high level of technical experience before performing real-time ESD procedures in patients.
