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Case Reports
. 2022 Sep 23;6(11):809-811.
doi: 10.1002/jgh3.12822. eCollection 2022 Nov.

Endoscopic hemostasis using gel immersion endoscopy for duodenal ulcer and a sigmoid colon polyp: A novel gel injection method

Ryuhei Jinushi  1 , Tomoaki Tashima  1 , Naoki Ishii  2 , Akashi Fujita  1 , Yuki Tanisaka  1 , Masafumi Mizuide  1 , Yumi Mashimo  1 , Tomonori Kawasaki  3 , Shomei Ryozawa  1
Affiliations
Case Reports

Endoscopic hemostasis using gel immersion endoscopy for duodenal ulcer and a sigmoid colon polyp: A novel gel injection method

Ryuhei Jinushi et al. JGH Open. .

Abstract

Gel immersion endoscopy (GIE) has gained prominence for securing a good visual field. Traditionally, OS-1 jelly (Otsuka Pharmaceutical Factory) has been used for GIE. However, due to the presence of electrolytes, it is unsuitable for endoscopic hemostasis using a monopolar device. Therefore, VISCOCLEAR (Otsuka Pharmaceutical Factory), a new gel that does not contain electrolytes, has been developed. Moreover, unlike water or saline, VISCOCLEAR does not readily mix with blood, making it effective in visualizing gastrointestinal bleeding. We report two cases in which GIE was performed using a novel gel injection method.

Keywords: endoscopic mucosal resection; gastrointestinal hemorrhage; gel immersion endoscopy; gel injection method.

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Figures

Figure 1
Figure 1
(a) In this method, the new gel is injected manually through an endoscopic forceps channel. Gel injection method (GIM) incorporating a large accessory channel with a BioShield irrigator. GIM using a water pump. (b) The new GIM, wherein the gel is injected through a secondary water delivery tube, can be performed with all types of endoscopes that can use a water pump. The yellow circle indicates the connection for the secondary water delivery tube. (c) A duodenal ulcer with an adherent clot is observed on the anterior surface of the duodenal bulb. A good visual field is secured by injecting the new gel through a secondary water delivery tube. (d) A polyp (0‐Ip) measuring 15 mm is observed in a bend of the sigmoid colon. A good visual field is secured by injecting the new gel through a secondary water delivery tube.
See this image and copyright information in PMC

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