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Endoscopy 2016; 48(12): 1125-1128
DOI: 10.1055/s-0042-116595
Innovations and brief communications
© Georg Thieme Verlag KG Stuttgart · New York

Safety and effectiveness of a long, partially covered metal stent for endoscopic ultrasound-guided hepaticogastrostomy in patients with malignant biliary obstruction

Yousuke Nakai
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Hiroyuki Isayama
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Natsuyo Yamamoto
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Saburo Matsubara
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
2   Department of Gastroenterology, Tokyo Metropolitan Police Hospital, Tokyo, Japan
,
Yukiko Ito
3   Department of Gastroenterology, Japanese Red Cross Medical Center, Tokyo, Japan
,
Naoki Sasahira
4   Department of Gastroenterology, Tokyo Takanawa Hospital, Tokyo, Japan
,
Ryunosuke Hakuta
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
3   Department of Gastroenterology, Japanese Red Cross Medical Center, Tokyo, Japan
,
Gyotane Umefune
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
3   Department of Gastroenterology, Japanese Red Cross Medical Center, Tokyo, Japan
,
Naminatsu Takahara
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Tsuyoshi Hamada
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Suguru Mizuno
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Hirofumi Kogure
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Minoru Tada
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
,
Kazuhiko Koike
1   Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
› Author Affiliations
Further Information

Publication History

submitted 26 January 2016

accepted after revision 07 July 2016

Publication Date:
07 October 2016 (online)

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Background and study aims: Endoscopic ultrasound (EUS)-guided biliary drainage (EUS-BD) is potentially complicated by bile leak and stent migration. The aim of this study was to evaluate the safety and effectiveness of a long (≥ 10 cm), partially covered metal stent (LP-CMS) for EUS-guided hepaticogastrostomy (EUS-HGS) for malignant biliary obstruction. Both the stent length and the uncovered portion at the proximal end of the LP-CMS are designed to prevent stent migration.

Patients and methods: A total of 33 patients undergoing EUS-HGS using an LP-CMS in four centers were retrospectively studied. Technical and clinical success, adverse events, and recurrent biliary obstruction were evaluated.

Results: Gastric outlet obstruction (76 %) and surgically altered anatomy (15 %) were two major reasons for EUS-HGS. The technical and clinical success rates were 100 %. The median intragastric stent length was 54 mm. The adverse event rate was 9 %. No stent migration was observed. Recurrent biliary obstruction developed in 24 %, with a median cumulative time to recurrence of 8.5 months.

Conclusions: EUS-HGS using an LP-CMS for unresectable malignant biliary obstruction was safe and effective.

 

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