Source: Annual Congress 2004 - New developments in endobronchial treatment

Abstract

Study objectives: To describe indications, technique and outcome of removal of self-expandable metallic airway stents (SEMAS) in patients with benign airway stenoses.
Design and setting: Retrospective cohort analysis of patients with benign airway disorders treated with SEMAS between 1997 and 2003. Tertiary-care hospital, referral interventional pulmonology clinic.
Patients and methods: During the study period 49 SEMAS were inserted in 39 patients for treatment of benign airway disorders. 10 out of these 39 patients (25.6 %), bearing 12 covered stents, presented with an indication for stent removal. Data of these cases were extracted from their electronic files kept in our institution’s archive.
Results: Indications for stent removal included excessive or recurrent granuloma formation (5 cases), stent failure (1 case), stent fracture (2 cases) and accomplishment of treatment (2 cases). In contrast to previous reports, these stents proved to be absolutely retrievable. In all cases removal was successful without major complications. All patients resumed normal spontaneous ventilation postoperatively, and follow up was uneventful. Average duration of stenting before removal was 16.2 ± 17.5 months (range from 1 to 60 months).
Conclusions: We conclude that although self-expandable stent are assumed to be permanent in patients with benign airway disorders, an indication for stent removal is often observed (25.6% in our series). These stents can be both effectively and safely removed if needed without major sequelae.

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Citations should be made in the following way:
G. Stratakos, M. Meysman, L. Remels, W. Vinken, M. Noppen (Brussels, Belgium; Athens, Greece). Removal of self-expandable metallic airway stents in benign disorders. Indications, technique and outcomes. Eur Respir J 2004; 24: Suppl. 48, 4294

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