Clinical Endoscopy

The Korean Society of Gastrointestinal Endoscopy (대한소화기내시경학회)
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Safety and efficacy of novel oblique-viewing scope for B2-endoscopic ultrasound-guided hepaticogastrostomy

  • Sho Ishikawa (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Kazuo Hara (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Nozomi Okuno (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Nobumasa Mizuno (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Shin Haba (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Takamichi Kuwahara (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Yasuhiro Kuraishi (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Takafumi Yanaidani (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Masanori Yamada (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Tsukasa Yasuda (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Toshitaka Fukui (Department of Gastroenterology, Aichi Cancer Center Hospital) ;
  • Teru Kumagi (Post Graduate Medical Education Center, Ehime University Hospital) ;
  • Yoichi Hiasa (Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine)
  • Received : 2023.05.16
  • Accepted : 2023.07.07
  • Published : 2024.07.30
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Abstract

Background/Aims: Endoscopic ultrasound (EUS)-guided hepaticogastrostomy (EUS-HGS) performed at the intrahepatic bile duct segment 3 (B3) is widely used for biliary drainage. Although performing post-puncture procedures is easier in the intrahepatic bile duct segment 2 (B2) when using a conventional oblique-viewing (OV) EUS scope, this method may cause transesophageal puncture and severe adverse events. We evaluated the safety and efficacy of B2 puncture using a novel OV-EUS scope. Methods: In this single-center retrospective study, we prospectively enrolled and collected data from 45 patients who consecutively underwent EUS-HGS procedures with a novel OV-EUS scope between September 2021 and December 2022 at our cancer center. Results: The technical success rates of B2-EUS-HGS and EUS-HGS were 93.3% (42/45) and 97.8% (44/45), respectively. The early adverse event rate was 8.9% (4/45) with no cases of scope changes or transesophageal punctures. The median procedure time was 13 minutes (range, 5-30). Conclusions: B2-EUS-HGS can be performed safely with the novel EG-740UT (Fujifilm) OV-scope without transesophageal puncture and with a high success rate. B2-EUS-HGS using this novel OV scope may be the preferred strategy for EUS-HGS.

Keywords

References

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