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논문 기본 정보

자료유형
학술저널
저자정보
Itaru Naitoh (Department of Gastroenterology and Metabolism Nagoya City University Graduate School of Medical Sciences Nagoya Japan) Tadahisa Inoue (Department of Gastroenterology Aichi Medical University Nagakute Japan)
저널정보
대한소화기내시경학회 Clinical Endoscopy Clinical Endoscopy 제56권 제2호
발행연도
2023.3
수록면
135 - 142 (8page)
DOI
10.5946/ce.2022.150

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초록· 키워드

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Endoscopic biliary drainage strategies for managing unresectable malignant hilar biliary obstruction differ in terms of stent type, drainage area, and deployment method. However, the optimal endoscopic drainage strategy remains unclear. Uncovered self-expandable metal stents (SEMS) are the preferred type because of their higher functional success rate, longer time to recurrent biliary obstruction (RBO), and fewer cases of reintervention than plastic stents (PS). Other PS subtypes and covered SEMS, which feature a longer time to RBO than PS, can be removed during reintervention for RBO. Bilateral SEMS placement is associated with a longer time to RBO and a longer survival time than unilateral SEMS placement. Unilateral drainage is acceptable if a drainage volume of greater than 50% of the total liver volume can be achieved. In terms of deployment method, no differences were observed in clinical outcomes between side-by-side (SBS) and stent-in-stent deployment. Simultaneous SBS boasts a shorter procedure time and higher technical success rate than sequential SBS. This review of previous studies aimed to clarify the optimal endoscopic biliary drainage strategy for unresectable malignant hilar biliary obstruction.

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