• Seyed Reza Saghebi, Mahdi Zangi, Tissa Tajali, Roya Farzanegan, Seyed Mehdi Farsad, Azizollah Abbasidezfouli, Kambiz Sheikhy, and Mohammad Behgam Shadmehr.
• Tracheal Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
• Eur J Cardiothorac Surg. 2013 May 1;43(5):934-9.

ObjectivesWhen the T-tube is inserted as a temporary stent, it is unclear whether keeping it longer in place has any benefit on the outcome.MethodsAmong 1738 patients with airway stenosis (1996-2011), 134 underwent T-tube placement (mean duration = 14.3 months); temporarily while waiting for an appropriate time for surgery in 53 (Group 1), as an adjunct after a complex laryngotracheal resection in 27 (Group 2), after surgical failure in 43 (Group 3) and permanently in 11 unresectable strictures (Group 4). A logistic regression model was used for statistical analysis.ResultsSeventy percent of patients were males (age = 33.6 ± 17 years). The main cause was postintubation/post-tracheostomy stenosis in 87% of patients. The stenosis (29.6 ± 14 mm, 5-80 mm) was located in the subglottis in 33%, trachea in 47% and both in 20% of cases. To assess the effect of T-tubes on stabilizing the airway after decannulation, 50 patients who still had a T-tube at the end of follow-up or for <1.5 months were excluded. Of the remaining 84, 31.5, 91.5 and 32.5% of patients in Groups 1, 2 and 3 were stable at least 3 months after decannulation. Moreover, 70% of those who were decannulated at or before 6 months and 53.7% of those who were decannulated after 6 months underwent another intervention (P = 0.17). The age, sex, cause, site of stenosis and even duration of T-tube insertion (P = 0.07) showed no significant effect on the decannulation outcome.ConclusionsAlthough it seems that keeping the T-tube in place for >6 months may increase the chance of successful decannulation, it was not confirmed in our study.

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