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Percutaneous biliary drainage using open cell stents for malignant biliary hilar obstruction

Authors
Ahn, SJ; Bae, JI; Han, TS; Won, JH; Kim, JD; Kwack, KS; Lee, JH; Kim, YC
Citation
Korean journal of radiology, 13(6):795-802, 2011
Journal Title
Korean journal of radiology
ISSN
1229-69292005-8330
Abstract
OBJECTIVE: To evaluate the feasibility, safety and the effectiveness of the complex assembly of open cell nitinol stents for biliary hilar malignancy.



MATERIALS AND METHODS: During the 10 month period between January and October 2007, 26 consecutive patients with malignant biliary hilar obstruction underwent percutaneous insertion of open cell design nitinol stents. Four types of stent placement methods were used according to the patients' ductal anatomy of the hilum. We evaluated the technical feasibility of stent placement, complications, patient survival, and the duration of stent patency.



RESULTS: Bilobar biliary stent placement was conducted in 26 patients with malignant biliary obstruction-T (n = 9), Y (n = 7), crisscross (n = 6) and multiple intersecting types (n = 4). Primary technical success was obtained in 24 of 26 (93%) patients. The crushing of the 1st stent during insertion of the 2nd stent occurred in two cases. Major complications occurred in 2 of 26 patients (7.7%). One case of active bleeding from hepatic segmental artery and one case of sepsis after procedure occurred. Clinical success was achieved in 21 of 24 (87.5%) patients, who were followed for a mean of 141.5 days (range 25-354 days). The mean primary stent patency period was 191.8 days and the mean patient survival period was 299 days.



CONCLUSION: Applying an open cell stent in the biliary system is feasible, and can be effective, especially in multiple intersecting stent insertions in the hepatic hilum.
MeSH terms
AdultAgedAged, 80 and over*AlloysBile Duct Neoplasms/*complicationsCholangiocarcinoma/*complicationsCholestasis, Intrahepatic/etiology/*therapyDrainage/*instrumentationFemaleGallbladder Neoplasms/complicationsHumansMaleMiddle Aged*Palliative Care*Stents
DOI
10.3348/kjr.2012.13.6.795
PMID
23118579
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Radiology
AJOU Authors
안, 선준배, 재익원, 제환김, 지대곽, 규성이, 제희김, 영철
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