| Feasibility of a New Self-Expandable Metallic Stent for Patients with Malignant Colorectal Obstruction. | |
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MedLine Citation:
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PMID: 23362948 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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AIM: Stent migration due to peristalsis of the colon is one of the unresolved complications of colonic self-expandable metallic stent (SEMS) placement. Axial force (AF), a recovery force of the stent to a straight position after bending, has been considered a factor influencing the conformability of the digestive tract. An uncovered SEMS (Niti-S Enteral Colonic Uncovered Stent, D-type; Taewoong, Inc., Gimpo, South Korea) with improved conformability is considered to decrease migration. METHODS: Thirty three consecutive patients with symptomatic colorectal obstruction between March 2006 and December 2011 underwent endoscopic stent placement for palliation to estimate the efficacy and safety of Niti-S stents prospectively in four tertiary referral centers. RESULTS: Technical and clinical success rates were 100% and 97%, respectively. Seventeen patients had the following complications: ingrowth (n = 6), overgrowth (n = 1), collapse of the SEMS (n = 1), stool impaction (n = 2), migration (n = 1), bleeding (n = 3), and tenesmus (n = 3). The patient with migration had no recurrent symptoms until death. Of these 17 patients, 10 required re-interventions. Seven patients underwent an additional SEMS implantation. One patient underwent surgery for stoma creation. Two patients had stool impaction, and they underwent endoscopic cleaning. The median duration of patency was 347.0 ± 65.5 days. The mean survival time after stent insertion was 240.1 ± 39.9 days. CONCLUSION: The new SEMS effectively relieves malignant colorectal obstruction. Good conformability, according to the very low AF, may contribute to the low incidence of migration. |
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Authors:
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Shuntaro Yoshida; Hirotsugu Watabe; Hiroyuki Isayama; Hirofumi Kogure; Yousuke Nakai; Natsuyo Yamamoto; Takashi Sasaki; Kazumichi Kawakubo; Tsuyoshi Hamada; Yukiko Ito; Yoko Yashima; Naoki Sasahira; Kenji Hirano; Yutaka Yamaji; Minoru Tada; Masao Omata; Kazuhiko Koike |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-7-9 |
Journal Detail:
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Title: Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society Volume: - ISSN: 1443-1661 ISO Abbreviation: Dig Endosc Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2013-1-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9101419 Medline TA: Dig Endosc Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 The Authors. Digestive Endoscopy © 2012 Japan Gastroenterological Endoscopy Society. |
Affiliation:
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Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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