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논문 기본 정보

자료유형
학술저널
저자정보
Hiroyuki Isayama (The University of Tokyo) Yousuke Nakai (The University of Tokyo) Natsuyo Yamamoto (The University of Tokyo) Saburo Matsubara (The University of Tokyo) Yukiko Ito (Japanese Red Cross Medical Center) Hirfoumi Kogure (The University of Tokyo) Tsuyoshi Hamada (The University of Tokyo) Kazuhiko Koike (The University of Tokyo)
저널정보
소화기인터벤션의학회 International Journal of Gastrointestinal Intervention International Journal of Gastrointestinal Intervention 제6권 제2호
발행연도
2017.7
수록면
114 - 117 (4page)

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초록· 키워드

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Endoscopic ultrasound-guided biliary drainage (EUS-BD), EUS-guided choledochoduodenostomy (EUS-CDS), and EUS-guided hepaticogastrostomy (EUS-HGS) can effectively palliate obstructive jaundice, but have not been well established yet. The incidence of complications is about 30% in EUS-BD and higher for EUS-HGS. Several complications have been reported such as bleeding, perforation and peritonitis. Bleeding occurs due to puncture of portal vein, hepatic vein and artery, and we should use color Doppler. When a cautery dilator is used for fistula dilation, burn effects may cause delayed bleeding. Endoscopic hemostasis is only effective for anastomotic bleeding and embolization with interventional radiology technique is required for pseudo aneurysm. There are some types of perforation: failed stent placement after puncture or fistula dilation, double puncture during CDS procedure, and stent migration. Peritonitis with perforation requires surgery and can be fatal. Stent migration before mature fistula formation causes severe peritonitis because EUS-BD makes fistula between two unattached organs. Stents with flaps or long covered self-expandable metallic stents (cSEMSs) are effective to prevent migration. Recent development of lumen apposing stents may reduce early migration in EUS-CDS. Peritonitis without migration can be due to 1) leakage of bile juice or gastric/duodenal contents during EUS-BD or 2) leakage along the placed stent. We should make procedure time as short as possible, and cSEMSs reduce bile leak along the stent by occluding the dilated fistula. In summary, we should understand the mechanism of complications and the technique to prevent and manage complications. Development of dedicated devices to increase the success rate and reduce complications is required.

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