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Abstract
Subglottic stenosis is a recognized complication of prolonged intubation. To date, there is no uniformly successful operative procedure for severe subglottic stenosis, fulfilling the criteria of decannulation and a serviceable voice. The surgical ideals for such a procedure should include the use of autogenous grafting material, avoidance of internal stenting, and limited manipulation of the mucosa. This study was intended to assess the fate of isolated hyoid and thyroid alar grafts interposed in the posterior cricoid lamina. Additionally, anterior/posterior splits with and without anterior grafting were evaluated. Seventeen dogs were used in the determinate animal model. Vocal cord mobility was evaluated by direct laryngoscopy prior to sacrifice. Graphic gross anatomical specimens depict the effects of anterior/posterior splitting on the cricoid cartilage. Clinical correlations are suggested.

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