Document Detail


Use of a retrievable metallic stent internally coated with silicone to treat airway obstruction.
MedLine Citation:
PMID:  18656015     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: The authors hypothesized that internally covered stents can reduce the rates of stent migration or mucous retention. The authors performed this study to report their experience with use of a retrievable metallic stent internally coated with silicone in patients with benign or malignant central airway obstructions. MATERIALS AND METHODS: From 2004 to 2007, the authors performed fluoroscopically guided placement of a retrievable metallic stent internally coated with silicone in 26 consecutive patients with benign (n = 5) and malignant (n = 21) central airway obstructions. Stents were woven from a single thread of a 0.2-mm-diameter nitinol wire in a tubular configuration and internally covered with silicone membrane. RESULTS: Stent placement was technically and clinically successful in 93% (25/26) and 85% (22/26) of the patients, respectively. There were eight complications (31%) after stent placement, including tumor overgrowth (n = 2), stent migration (n = 1), symptomatic granulation tissue formation (n = 1), severe pain (n = 1), improper stent location (n = 1), symptomatic sputum retention (n = 1) and esophagobronchial fistula (n = 1). Because of complications, five stents were removed with a retrieval hook under fluoroscopic guidance without difficulty. The median survival period and stent patency were 150.0 days +/- 91.4 and 143.0 days +/- 26.7, respectively. CONCLUSIONS: The use of a retrievable metallic stent internally coated with silicone is a safe and effective method for relieving dyspnea, with adequate stent patency in patients with benign or malignant central airway obstructions. This stent design seems to be less prone to migration or mucous retention.
Authors:
Jin Hyoung Kim; Ji Hoon Shin; Ho-Young Song; Se Chul Lee; Kyung Rae Kim; Jung-Hoon Park
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Publication Detail:
Type:  Clinical Trial; Journal Article     Date:  2008-06-27
Journal Detail:
Title:  Journal of vascular and interventional radiology : JVIR     Volume:  19     ISSN:  1535-7732     ISO Abbreviation:  J Vasc Interv Radiol     Publication Date:  2008 Aug 
Date Detail:
Created Date:  2008-07-28     Completed Date:  2008-11-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9203369     Medline TA:  J Vasc Interv Radiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1208-14     Citation Subset:  IM    
Affiliation:
Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 388-1, Poongnap-2dong, Songpa-gu, Seoul 138-736, Republic of Korea.
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MeSH Terms
Descriptor/Qualifier:
Aged
Airway Obstruction / radiography*,  surgery*
Coated Materials, Biocompatible / chemistry*
Device Removal / methods*
Equipment Failure Analysis
Female
Humans
Male
Metals
Middle Aged
Radiography, Interventional
Silicones / chemistry*
Stents*
Chemical
Reg. No./Substance:
0/Coated Materials, Biocompatible; 0/Metals; 0/Silicones

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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