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논문 기본 정보

자료유형
학술저널
저자정보
Matsumoto Kazuyuki (Department of Gastroenterology and Hepatology Okayama University Hospital Okayama Japan) Kato Hironari (Department of Gastroenterology and Hepatology Okayama University Hospital Okayama Japan) Morimoto Kosaku (Department of Gastroenterology and Hepatology Okayama University Hospital Okayama Japan) Miyamoto Kazuya (Department of Gastroenterology Tsuyama Central Hospital Okayama Japan) Saragai Yosuke (Department of Gastroenterology Iwakuni Medical Center Hiroshima Japan) Kawamoto Hirofumi (Department of General Internal Medicine 2 Kawasaki Medical School Okayama Japan) Okada Hiroyuki (Department of Gastroenterology and Hepatology Okayama University Hospital Okayama Japan)
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제17권 제1호
발행연도
2023.1
수록면
170 - 178 (9page)
DOI
10.5009/gnl220012

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Background/Aims: Bilateral endoscopic drainage with self-expanding metallic stent (SEMS) can be used to effectively manage hilar malignant biliary obstruction. However, the benefits of using a trisegment drainage method remain unknown. Methods: This study retrospectively reviewed the data of 125 patients with Bismuth type IIIa or IV unresectable malignant strictures who underwent bilateral endoscopic drainage using SEMSs at four tertiary centers. The patients were divided into the bilateral and trisegment drainage groups for comparison. The primary endpoint was stent patency and the secondary endpoints were technical success, technical and clinical success of reintervention, and overall survival. Results: The technical success rates of the bilateral and trisegment drainage groups were 95% (34/36) and 90% (80/89) (p=0.41), respectively, with median stent patency durations of 226 and 170 days (p=0.26), respectively. Although the technical success of reintervention was not significantly different between the two groups (p=0.51), the clinical success rate of reintrvention was significantly higher in the trisegment drainage group (73% [11/15] vs 96% [47/49], p=0.009). The median survival times were 324 and 323 days in the bilateral and trisegment drainage groups, respectively (p=0.72). Multivariate Cox hazards model revealed no stent patency-associated factor; however, chemotherapy was associated with longer survival. Conclusions: Although no significant difference was noted with respect to stent patency, significantly higher clinical success rates were achieved with reintervention using the trisegment drainage method than using the bilateral drainage method alone.

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