| Endoscopic removal of metallic airway stents. | |
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MedLine Citation:
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PMID: 15947327 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Complications of metallic airway stents include granulation tissue formation, fracture of struts, migration, and mucous plugging. When these complications result in airway injury or obstruction, it may become necessary to remove the stent. There have been few reports detailing techniques and complications associated with endoscopic removal of metallic airway stents. We report our experience with endoscopic removal of 30 such stents over a 3-year period. METHODS: We conducted a retrospective review of 25 patients who underwent endoscopic stent removal from March 2001 to April 2004. The patients ranged in age from 17 to 80 years (mean, 56.3 years). There were 10 male and 15 female patients. The stents had been placed for nonmalignant disease in 20 patients (80%) and malignant disease in 5 patients (20%). All procedures were done under general anesthesia with a rigid bronchoscope. Special attention was focused on the technique of stent removal and postoperative complications. RESULTS: Thirty metallic airway stents were successfully removed from 25 consecutive patients over a 3-year period. The basic method of removal involved the steady application of traction to the stent with alligator forceps. In all cases, an instrument such as the barrel of the rigid bronchoscope or a Jackson dilator was employed to help separate the stent from the airway wall before removal was attempted. In some instances, the airway wall was pretreated with thermal energy prior to stent removal. Complications were as follows: retained stent pieces (n = 7), mucosal tear with bleeding (n = 4), re-obstruction requiring temporary silicone stent placement (n = 14), need for postoperative mechanical ventilation (n = 6), and tension pneumothorax (n = 1). CONCLUSIONS: Although metallic stents may be safely removed endoscopically, complications are common and must be anticipated. Other investigators have described airway obstruction and death as a result of attempted stent removal. Placement and removal of metallic airway stents should only be performed at centers that are prepared to deal with the potentially life-threatening complications. |
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Authors:
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William Lunn; David Feller-Kopman; Momen Wahidi; Simon Ashiku; Robert Thurer; Armin Ernst |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Chest Volume: 127 ISSN: 0012-3692 ISO Abbreviation: Chest Publication Date: 2005 Jun |
Date Detail:
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Created Date: 2005-06-10 Completed Date: 2005-07-19 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0231335 Medline TA: Chest Country: United States |
Other Details:
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Languages: eng Pagination: 2106-12 Citation Subset: AIM; IM |
Affiliation:
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Interventional Pulmonology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Aged, 80 and over Airway Obstruction / diagnosis, mortality, therapy* Bronchoscopy / adverse effects, methods* Coated Materials, Biocompatible Device Removal / adverse effects, methods* Equipment Design Equipment Safety Female Follow-Up Studies Foreign-Body Migration / therapy* Humans Male Metals Middle Aged Risk Assessment Stents / adverse effects* Survival Rate Treatment Outcome |
| Chemical | |
Reg. No./Substance:
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0/Coated Materials, Biocompatible; 0/Metals |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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