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ORIGINAL ARTICLE
Year : 2018  |  Volume : 21  |  Issue : 9  |  Page : 1121-1126

Efficacy and safety of compound tri-metal stent placement for malignant perihilar biliary obstruction


1 Division of Gastroenterology, Department of Internal Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
2 Department of Radiology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
3 Department of Radiation Oncology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
4 Division of Hematology and Medical Oncology, Department of Internal Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea

Correspondence Address:
Prof. Kwang Min Kim
Department of Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, 158 Paryong-Ro, Masanhoewon-Gu, Changwon 51353
South Korea
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njcp.njcp_290_17

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Background: Despite many attempts to improve the patency rate of biliary stents in patients with inoperable perihilar cholangiocarcinomas, the longevity of these stents has not been satisfactory. The purpose of the present study is to report technical outcomes and clinical efficacy of the placement of compound tri-metal stent in patients with malignant perihilar biliary obstruction. Materials and Methods: Retrospective analysis was performed of the medical records of 26 consecutive patients with inoperable malignant perihilar biliary obstruction who underwent compound tri-metal stent placement through a percutaneous transhepatic biliary drainage tube from January 2012 to April 2017. Results: Placement of the compound tri-metal stent was successfully completed in all 26 patients (technical success, 100%). There was neither procedure-related mortality nor 30-day mortality. None of these patients underwent additional metallic stent placement within 60 days secondary to recurrent cholangitis or stent occlusion. Successful drainage was achieved in 25 (96.2%) of 26 patients who received a compound tri-metal stent. Patients treated with compound tri-metal stent placement had a median stent patency of 145 days (range, 24–426 weeks) and a median survival time of 188 days (range, 37–1732 days). Conclusions: Placement of compound tri-metal stent in patients with malignant perihilar biliary obstruction may offer a safe and effective alternate technique to improve biliary drainage and stent patency.


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