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CC BY-NC-ND 4.0 · Endosc Int Open 2018; 06(12): E1431-E1435
DOI: 10.1055/a-0761-9649
Original article
Owner and Copyright © Georg Thieme Verlag KG 2018

Novel three-dimensional imaging system may facilitate gastric endoscopic submucosal dissection procedure: an ex vivo animal study

Naoki Akizue
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Tomoaki Matsumura
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Daisuke Maruoka
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Kentaro Ishikawa
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Dao Viet Hang
2   Endoscopic Center, Hanoi Medical University Hospital, Hanoi, Vietnam
,
Kenichiro Okimoto
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Keiko Saito
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Tomoo Nakagawa
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Makoto Arai
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
,
Naoya Kato
1   Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
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Publikationsverlauf

submitted06. April 2018

accepted after revision04. September 2018

Publikationsdatum:
10. Dezember 2018 (online)

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Abstract

Background and study aims Endoscopic submucosal dissection (ESD) requires advanced skills to perform safely without complications. The current study evaluated the usefulness of a novel three-dimensional (3D) imaging system in ESD using porcine stomachs.

Methods Four endoscopists (two trainees and two experts) performed eight ESD procedures using both 3D and 2D images. The usefulness of 3D image versus 2D image was evaluated by visibility and procedure time. In addition, occurrence of eyestrain and dizziness in 3D image was assessed.

Results En bloc resection was successfully achieved, without perforation, in all cases. The evaluation score in the 3D image group was better than that in the 2D image group, particularly depth perception was statistically significantly good. No significant difference was found in the working speed between the 2D and 3D image groups. Two examiners experienced eyestrain and dizziness while using the 3D image.

Conclusions All the ESD procedures were performed safely. Depth perception using the 3D image was better than with the 2D image. A novel 3D image system may facilitate ESD.

 

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