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1 "Soon Sun Kim"
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Original Article
A Comparative Study on the Efficacy of Covered Metal Stent and Plastic Stent in Unresectable Malignant Biliary Obstruction
Jae Myoung Choi, Jin Hong Kim, Soon Sun Kim, Jun Hwan Yu, Jae Chul Hwang, Byung Moo Yoo, Sang Heum Park, Ho Gak Kim, Dong Ki Lee, Kang Hyun Ko, Kyo Sang Yoo, Do Hyun Park
Clin Endosc 2012;45(1):78-83.   Published online March 31, 2012
DOI: https://doi.org/10.5946/ce.2012.45.1.78
AbstractAbstract PDFPubReaderePub
Background/Aims

The placement of self expandable metal stent (SEMS) is one of the palliative therapeutic options for patients with unresectable malignant biliary obstruction. The aim of this study was to compare the effectiveness of a covered SEMS versus the conventional plastic stent.

Methods

We retrospectively evaluated 44 patients with unresectable malignant biliary obstruction who were treated with a covered SEMS (21 patients) or a plastic stent (10 Fr, 23 patients). We analyzed the technical success rate, functional success rate, early complications, late complications, stent patency and survival rate.

Results

There was one case in the covered SEMS group that had failed technically, but was corrected successfully using lasso. Functional success rates were 90.5% in the covered SEMS group and 91.3% in the plastic stent group. There was no difference in early complications between the two groups. Median patency of the stent was significantly prolonged in patients who had a covered SEMS (233.6 days) compared with those who had a plastic stent (94.6 days) (p=0.006). During the follow-up period, stent occlusion occurred in 11 patients of the covered SEMS group. Mean survival showed no significant difference between the two groups (covered SEMS group, 236.9 days; plastic stent group, 222.3 days; p=0.182).

Conclusions

The patency of the covered SEMS was longer than that of the plastic stent and the lasso of the covered SEMS was available for repositioning of the stent.

Citations

Citations to this article as recorded by  
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    Journal of Clinical and Experimental Hepatology.2024; 14(3): 101348.     CrossRef
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  • Comparison of patency and cost-effectiveness of self-expandable metal and plastic stents used for malignant biliary strictures: a Polish single-center study
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    European Journal of Gastroenterology & Hepatology.2016; 28(10): 1223.     CrossRef
  • Endoscopic treatment options for cholangiocarcinoma
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    Hepatic Oncology.2014; 1(2): 229.     CrossRef
  • Current status and issues regarding biliary stenting in unresectable biliary obstruction
    Takao Itoi, Atsushi Sofuni, Fumihide Itokawa, Ryosuke Tonozuka, Kentaro Ishii
    Digestive Endoscopy.2013; 25(S2): 63.     CrossRef
  • The effects of endobiliary radiofrequency ablation in two patients with pancreatic cancer: Gross and microscopic findings
    Ryan Law, Madhava Pai, Todd H. Baron, Nagy Habib
    Gastrointestinal Intervention.2013; 2(2): 124.     CrossRef
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