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Removal of metallic stents using flexible bronchoscope:report of 29 cases

Journal of Medical Colleges of PLA(China) 2010年第3期25卷 152-162页

作者： Zhang Jingxi Li Qiang Bai Chong Han Yiping Huang Yi Zhao Lijun Yao Xiaopeng Dong Yuchao Department of Respiratory Medicine Changhai Hospital Second Military Medical University Shanghai 200433 China

Objective:Placement of self expanding metallic stents(SEMS) is invariably associated with complications and often necessitates their removal usually by rigid *** have been few reports published on use of flexible bronchoscope(FB) for the *** article summarizes the indications,methods and complications of SEMS removal by ***:We reviewed our experience with removal of SEMS using FB *** clinical data on 29 patients with average age of(39.0±13.2) years was analyzed who underwent removal of SEMS using FB between April 2002 and August ***:Thirty-seven procedures were performed in 29 consecutive patients to remove 37 *** average duration of stent placement was(55± 94.7) d(0-472 d).Twenty-two procedures(59.4%) were performed under local *** percentage of procedures under general anesthesia was 13%(3/24),67%(4/6) and 100%(7/7) for the short-term(≤30 d),medium-term(31-90 d) and long-term(>90 d) of stents placement,*** for stents removal included migration in 15(40.6%),scar restenosis in 11(29.7%),airway shaping in 5(13.5%),stent fracture in 2(5.4%),stent incomplete expansion in 2(5.4%),improper size in 1(2.7%),mucus plugging with chest pain in 1(2.7%).And 85.7% of long-term stents were removed due to scar *** total success rate was 92%.There was no significant difference in success rate between the uncovered and covered group(82.3% and 100%,P>0.05).Complications were encountered in 13 patients,bleeding being the most common(53.8%).Conclusion:Operation by FB may be an alternative method to remove SEMS effectively and safely based on the proper anesthesia chosen.

关键词： Self expanding metallic stent flexible bronchoscope Stent removal Stenosis

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