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- Title
Usefulness of a new polyvinyl alcohol hydrogel (PVA-H)-based simulator for endoscopic submucosal dissection training: a pilot study.
- Authors
Dong Seok Lee; Gin Hyug Lee; Sang Gyun Kim; Kook Lae Lee; Ji Won Kim; Ji Bong Jeong; Yong Jin Jung; Hyoun Woo Kang
- 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.
- Subjects
POLYVINYL alcohol; HYDROGELS; HUMAN dissection; PILOT projects; DISSECTION
- Publication
Clinical Endoscopy, 2023, Vol 56, Issue 5, p604
- ISSN
2234-2400
- Publication type
Article
- DOI
10.5946/ce.2022.163