Clinical Endoscopy

Dong Wan Seo

2 Articles

The Clinical Usefulness of Simultaneous Placement of Double Endoscopic Nasobiliary Biliary Drainage: Hong Jun Kim, Sung Koo Lee, Choong Heon Ryu, Do Hyun Park, Sang Soo Lee, Dong Wan Seo, Myung-Hwan Kim; Clin Endosc 2015;48(6):542-548. Published online November 30, 2015; DOI: https://doi.org/10.5946/ce.2015.48.6.542

Background
/Aims: To evaluate the technical feasibility and clinical efficacy of double endoscopic nasobiliary drainage (ENBD) as a new method of draining multiple bile duct obstructions.
Methods
A total of 38 patients who underwent double ENBD between January 2004 and February 2010 at the Asan Medical Center were retrospectively analyzed. We evaluated indications, laboratory results, and the clinical course.
Results
Of the 38 patients who underwent double ENBD, 20 (52.6%) had Klatskin tumors, 12 (31.6%) had hepatocellular carcinoma, 3 (7.9%) had strictures at the anastomotic site following liver transplantation, and 3 (7.9%) had acute cholecystitis combined with cholangitis. Double ENBD was performed to relieve multiple biliary obstruction in 21 patients (55.1%), drain contrast agent filled during endoscopic retrograde cholangiopancreatography in 4 (10.5%), obtain cholangiography in 4 (10.5%), drain hemobilia in 3 (7.9%), relieve Mirizzi syndrome with cholangitis in 3 (7.9%), and relieve jaundice in 3 (7.9%).
Conclusions
Double ENBD may be useful in patients with multiple biliary obstructions.

Citations

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High-throughput metabolomics reveals the perturbed metabolic pathways and biomarkers of Yang Huang syndrome as potential targets for evaluating the therapeutic effects and mechanism of geniposide
Heng Fang, Aihua Zhang, Xiaohang Zhou, Jingbo Yu, Qi Song, Xijun Wang
Frontiers of Medicine.2020; 14(5): 651. CrossRef
Can Endoscopic Nasobiliary Drainage Involving Two Catheters Be Used to Treat Various Conditions?
Dong Wook Lee, Ho Gak Kim
Clinical Endoscopy.2015; 48(6): 464. CrossRef

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Histological Changes in the Bile Duct after Long-Term Placement of a Fully Covered Self-Expandable Metal Stent within a Common Bile Duct: A Canine Study: Sang Soo Lee, Tae Jun Song, Mee Joo, Do Hyun Park, Dong Wan Seo, Sung Koo Lee, Myung-Hwan Kim; Clin Endosc 2014;47(1):84-93. Published online January 24, 2014; DOI: https://doi.org/10.5946/ce.2014.47.1.84

Abstract PDF PubReader ePub

Background/Aims

To date, it has been difficult to determine the optimal stenting duration of a fully covered self-expandable metal stent (FCSEMS) in a benign biliary stricture. The purpose of this study was to identify the histopathological changes in a bile duct resulting from long-term placement of a FCSEMS.

Methods

An FCSEMS was inserted into the common bile duct of 12 canines, and the animals were divided into four groups. Posteuthanasia, necropsy was performed to examine the histopathological changes in the bile ducts after 1, 3, 6, and 9 months.

Results

The results of necropsy showed that the covered membranes of the FCSEMSs were intact and easily removed from the bile ducts in 11 of the canines. Severe epithelial hyperplasia of the stented bile duct and epithelial ingrowth into the stent occurred in one animal (from the 3-month group). On histopathological examination, mild inflammatory changes were observed in the stented bile ducts, and there was no significant difference between the four groups. Among the 12 animals, five had de novo stricture.

Conclusions

An FCSEMS can be inserted into the bile duct without severe histopathological changes up until 9 months. However, a de novo stricture and severe epithelial hyperplasia relating to the stent insertion might occur.

Citations

Citations to this article as recorded by

Clinical use of uncovered balloon‐expandable metallic biliary stents for treatment of extrahepatic biliary tract obstructions in cats and dogs: 11 cases (2012–2022)
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Feasibility of in vivo swine models using guide wire-assisted intraductal radiofrequency ablation for benign biliary stricture
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Scientific Reports.2023;[Epub] CrossRef
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HPB.2022; 24(10): 1738. CrossRef
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Annaly khirurgicheskoy gepatologii = Annals of HPB Surgery.2021; 26(3): 79. CrossRef
A systematic review of biodegradable biliary stents: promising biocompatibility without stent removal
Antti Siiki, Juhani Sand, Johanna Laukkarinen
European Journal of Gastroenterology & Hepatology.2018; 30(8): 813. CrossRef
Novel flower-type covered metal stent to prevent cholecystitis: experimental study in a pig model
Young Sik Woo, Kwang Hyuck Lee, Jong Kyun Lee, Dong Hyo Noh, Joo Kyung Park, Kyu Taek Lee, Kee-Taek Jang
Surgical Endoscopy.2016; 30(3): 1141. CrossRef
Biodegradable biliary stents have a different effect than covered metal stents on the expression of proteins associated with tissue healing in benign biliary strictures
Antti Siiki, Ralf Jesenofsky, Matthias Löhr, Isto Nordback, Minna Kellomäki, Heidi Gröhn, Joonas Mikkonen, Juhani Sand, Johanna Laukkarinen
Scandinavian Journal of Gastroenterology.2016; 51(7): 880. CrossRef
Fabrication of a silver particle-integrated silicone polymer-covered metal stent against sludge and biofilm formation and stent-induced tissue inflammation
Tae Hoon Lee, Bong Seok Jang, Min Kyo Jung, Chan Gi Pack, Jun-Ho Choi, Do Hyun Park
Scientific Reports.2016;[Epub] CrossRef
Metal Stenting in Benign Biliary Strictures
Ji Kon Ryu
Clinical Endoscopy.2014; 47(1): 5. CrossRef
Best endoscopic stents for the biliary tree and pancreas
Todd H. Baron
Current Opinion in Gastroenterology.2014; 30(5): 453. CrossRef

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