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There have been conflicting reports in our literature concerning the efficacy of bronchoscopic carbon dioxide laser surgery for the treatment of benign strictures of the trachea. We have examined our experience in the management of this disease over a 2 1/2-year period; in all cases, our initial management was performed utilizing the rigid, ventilating bronchoscope with the universal endoscopic coupler and carbon dioxide laser. Eight of 14 patients were successfully managed in this study; retrospective analysis of our results revealed that the presence of one or more of the following four factors was extremely important in predicting an unfavorable prognosis of patients with tracheal stenosis managed endoscopically with the carbon dioxide laser: 1. loss of cartilaginous support; 2. stenosis length greater than 1 cm; 3. circumferential scarring; and 4. carinal involvement.

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