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Interventional Management of Malignant Colorectal Obstruction: Use of Covered and Uncovered Stents

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Author(s)
Jin Soo ChoiSung Wook ChooKwang Bo ParkSung Wook ShinSo-Young YooJi Hye KimYoung Soo Do
Keimyung Author(s)
Choi, Jin Soo
Department
Dept. of Radiology (영상의학)
Journal Title
Korean Journal of Radiology
Issued Date
2007
Volume
8
Issue
1
Keyword
Coloninterventional proceduresneoplasmstenosisobstructionStentsprostheses
Abstract
Objective : We wanted to evaluate usefulness of uncovered stent in comparison with covered stent for the palliative treatment of malignant colorectal obstruction. Materials and Methods : Covered (n = 52, type 1 and type 2) and uncovered (n = 22, type 3) stents were placed in 74 patients with malignant colorectal obstruction. Stent insertion was performed for palliative treatment in 37 patients (covered stent: n = 23 and uncovered stent: n = 14). In the palliative group, the data on the success of the procedure, the stent patency and the complications between the two groups (covered versus uncovered stents) were compared. Results : The technical success rate was 89% (33/37). Symptomatic improvement was achieved in 86% (18/21) of the covered stent group and in 92% (11/12) of the uncovered stent group patients. The period of follow-up ranged from three to 319 days (mean period: 116±85 days). The mean period of stent patency was 157±33 days in the covered stent group and 165±25 days in the uncovered stent group. In the covered stent group, stent migration (n = 11), stent fracture (n = 2) and poor expansion of the stent (n = 2) were noted. In the uncovered stent group, tumor ingrowth into the stents (n = 3) was noted. Conclusion :
Self-expanding metallic stents are effective for relieving malignant colorectal obstruction. The rate of complications is lower in the uncovered stent group than in the covered stent group.
Keimyung Author(s)(Kor)
최진수
Publisher
School of Medicine
Citation
Jin Soo Choi et al. (2007). Interventional Management of Malignant Colorectal Obstruction: Use of Covered and Uncovered Stents. Korean Journal of Radiology, 8(1), 57–63. doi: 10.3348/kjr.2007.8.1.57
Type
Article
ISSN
1229-6929
DOI
10.3348/kjr.2007.8.1.57
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/36236
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Radiology (영상의학)
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