Effectiveness of a novel ex vivo training model for gastric endoscopic submucosal dissection training: a prospective observational study conducted at a single center in Japan.

IF 2.1 Q3 GASTROENTEROLOGY & HEPATOLOGY Clinical Endoscopy Pub Date : 2024-11-04 DOI:10.5946/ce.2024.108
Takahito Toba, Tsuyoshi Ishii, Nobuyuki Sato, Akira Nogami, Aya Hojo, Ryo Shimizu, Ai Fujimoto, Takahisa Matsuda
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Abstract

Background/aims: The efficacy of endoscopic submucosal dissection (ESD) for early-stage gastric cancer is well established. However, its acquisition is challenging owing to its complexity. In Japan, G-Master is a novel ex vivo gastric ESD training model. The effectiveness of training using G-Master is unknown. This study evaluated the efficacy of gastric ESD training using the G-Master to evaluate trainees' learning curves and performance.

Methods: Four trainees completed 30 ESD training sessions using the G-Master, and procedure time, resection area, resection completion, en-bloc resection requirement, and perforation occurrence were measured. Resection speed was the primary endpoint, and learning curves were evaluated using the Cumulative Sum (CUSUM) method.

Results: All trainees completed the resection and en-bloc resection of the lesion without any intraoperative perforations. The learning curves covered three phases: initial growth, plateau, and late growth. The transition from phase 1 to phase 2 required a median of 10 sessions. Each trainee completed 30 training sessions in approximately 4 months.

Conclusions: Gastric ESD training using the G-Master is a simple, fast, and effective method for pre-ESD training in clinical practice. It is recommended that at least 10 training sessions be conducted.

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用于胃内镜黏膜下剥离术训练的新型体外训练模型的有效性:在日本一个中心进行的前瞻性观察研究。
背景/目的:内镜黏膜下剥离术(ESD)治疗早期胃癌的疗效已得到公认。然而,由于其复杂性,其获得具有挑战性。在日本,G-Master 是一种新型体外胃ESD训练模型。使用 G-Master 进行训练的效果尚不清楚。本研究评估了使用G-Master进行胃ESD培训的效果,以评价受训者的学习曲线和表现:方法: 四名学员使用 G-Master 完成了 30 次 ESD 培训课程,并对手术时间、切除面积、切除完成度、全胃切除要求和穿孔发生率进行了测量。切除速度是主要终点,学习曲线采用累积总和(CUSUM)法进行评估:结果:所有学员都完成了病灶的切除和全切,术中未发生任何穿孔。学习曲线包括三个阶段:初期增长、高原期和后期增长。从第 1 阶段过渡到第 2 阶段需要 10 次培训。每位学员在大约 4 个月内完成了 30 次培训:使用 G-Master 进行胃 ESD 训练是临床实践中进行胃 ESD 前训练的一种简单、快速、有效的方法。建议至少进行 10 次培训。
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来源期刊
Clinical Endoscopy
Clinical Endoscopy GASTROENTEROLOGY & HEPATOLOGY-
CiteScore
4.40
自引率
8.00%
发文量
95
审稿时长
26 weeks
期刊最新文献
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