{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T01:02:13Z","timestamp":1771635733648,"version":"3.50.1"},"reference-count":26,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,10,16]],"date-time":"2024-10-16T00:00:00Z","timestamp":1729036800000},"content-version":"vor","delay-in-days":289,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100018916","name":"Suzhou Municipal Health Commission","doi-asserted-by":"publisher","award":["LCZX202234"],"award-info":[{"award-number":["LCZX202234"]}],"id":[{"id":"10.13039\/100018916","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Canadian Respiratory Journal"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:p><jats:bold>Objective:<\/jats:bold> To explore the complications of long\u2010term placement of Montgomery T silicone stent (T<jats:italic>-<\/jats:italic>tube) in the treatment of subglottic benign airway stenosis (SBAS) and the timing of successful T<jats:italic>-<\/jats:italic>tube removal.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> We retrospectively collected the clinical data of 32 patients with SBAS who underwent the treatment of T<jats:italic>-<\/jats:italic>tube and analyzed their placement and successful removal of the T<jats:italic>-<\/jats:italic>tube.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> There were 22 males and 10 females, aged from 21 to 79\u2009years (60.9\u2009\u00b1\u200913.7\u2009years). The T<jats:italic>-<\/jats:italic>tubes were successfully placed in all 32 patients, and 6 patients (18.8%) with mild stenosis were placed by the intravenous conscious sedation. The longest follow\u2010up period was 60.4\u2009months, and 17 patients (53.1%) had the T<jats:italic>-<\/jats:italic>tubes for more than 12\u2009months; 5 patients (15.6%) were changed to the tracheostomy cannula after unplanned removal of the T<jats:italic>-<\/jats:italic>tubes for various reasons; the T<jats:italic>-<\/jats:italic>tubes were successfully removed in 9 patients (28.1%), and the duration of T<jats:italic>-<\/jats:italic>tubes placement was 5.2\u201322.7\u2009months (12.1\u2009\u00b1\u20096.3\u2009months), among them anatomical stenosis in 9 patients (100%). Secretion retention was observed in 32 patients (100%), granulation tissue hyperplasia was observed in 9 patients (28.1%), and the normal ventilation was not affected in most patients by bronchoscopic treatment and follow\u2010up; the T<jats:italic>-<\/jats:italic>tubes were removed in 3 patients due to severe complications. There was no significant difference in the incidences of secretion retention and granulation tissue hyperplasia between the time point at 1\u2009week, 1\u2009month, 3\u2009months, and 12\u2009months, <jats:italic>p<\/jats:italic> &gt; 0.05. In patients with T<jats:italic>-<\/jats:italic>tube more than 12\u2009months, the severity of secretion retention at 1\u2009week, 1\u2009month, 3\u2009months, and 12\u2009months was significantly different, <jats:italic>p<\/jats:italic> &lt; 0.05, however, there was no significant difference in the severity of granulation tissue hyperplasia, <jats:italic>p<\/jats:italic> &gt; 0.05.<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> T<jats:italic>-<\/jats:italic>tube is safe and effective in the treatment of SBAS. The severity of secretion retention increased in patients with long\u2010term placement of the T<jats:italic>-<\/jats:italic>tube. For patients with mild stenosis and anatomical stenosis, the T<jats:italic>-<\/jats:italic>tube removal can be attempted at about 1\u2009year of follow\u2010up.<\/jats:p>","DOI":"10.1155\/2024\/2145560","type":"journal-article","created":{"date-parts":[[2024,10,16]],"date-time":"2024-10-16T11:04:47Z","timestamp":1729076687000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Clinical Analysis of 32 Cases of Subglottic Benign Airway Stenosis Treated With Montgomery T Silicone 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