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Temporarily placement of metallic stent could lead to long-term benefits for benign tracheobronchial stenosis

   
@article{JTD6164,
	author = {Guo-Wu Zhou and Hai-Dong Huang and Qin-Ying Sun and Ye Xiong and Qiang Li and Yu-Chao Dong and Wei Zhang},
	title = {Temporarily placement of metallic stent could lead to long-term benefits for benign tracheobronchial stenosis},
	journal = {Journal of Thoracic Disease},
	volume = {7},
	number = {Suppl 4},
	year = {2015},
	keywords = {},
	abstract = {Background: The permanent placement of metallic stent for benign tracheobronchial stenosis (BTS) was controversial. This study was conducted to evaluate the long-term outcomes of temporary placement of metallic stent for BTS.
Methods: The BTS patients who received temporary placement of retrievable self-expanded metallic stents were included between 2008 and 2011. Pre-stenting and follow-up respiratory status was analyzed. And symptom recurrence-free survival (SRFS) was assessed.
Results: A total of 49 stents were successfully temporarily placed in 40 consecutive BTS patients whose etiologies included endobronchial tuberculosis (EBTB) (n=22), post-tracheostomy stenosis (n=10), post-intubation stenosis (n=6) and post radiotherapy stricture (n=2). All stents were removed integrally after a median 18 days’ stenting period, without major complications. During the median 27 months follow-up period after stent removal, a total of 22 patients were free of recurrence. And the overall 3-year SRFS rate was 52.0%. According to the etiology, the 3-year SRFS rates were 59.1% and 42.9% in the patients with EBTB and non-EBTB, respectively. Compared with pre-stenting, the follow-up internal diameter of stricture, Hugh-Jones scale, 6-minute walk test (6MWT) and percentage of forced expiratory volume in one second (FEV1%) were significantly improved. Multivariate analysis suggested that granulation tissue growth and tracheobronchial malacia might be independent factors of poor prognosis.
Conclusions: Temporary placement of retrievable metallic stent may be an alternative treatment for BTS patients.},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/6164}
}