Early Decannulation with Bilateral Mandibular Distraction for Tracheostomy-Dependent Patients
- 1 January 1999
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in Plastic and Reconstructive Surgery
- Vol. 103 (1), 48-57
- https://doi.org/10.1097/00006534-199901000-00009
Abstract
Obstructive sleep apnea in the neonatal period may originate from a hypoplastic mandibular framework causing retroposition of the base of the tongue and an inadequate hypopharyngeal space. A tracheotomy in childhood is an effective treatment for obstructive sleep apnea, but it is associated with increased morbidity, management problems, and difficulties in social interaction. Tracheostomy-dependent pediatric patients who underwent mandibular distraction were reviewed to determine the effectiveness of this technique in achieving decannulation. A clinical review was completed to determine the status of the tracheostomy after external, unidirectional distraction in tracheostomy-dependent patients. Expansion of the mandibular framework was analyzed using traditional bony landmarks on predistraction and postdistraction lateral cephalograms. The area of the lower face was analyzed, and changes in the position of the hyoid bone were determined. Four patients with tracheostomies underwent an average of 21.3 mm and 20.8 mm of distraction on the left and right hemimandibles, respectively. The average age at the time of distraction was 2.7 years (range, 2.2 to 3.2 years). All patients underwent successful decannulation at an average of 3.8 months (range, 1.5 to 5.5 months) after completion of distraction. The area of the lower face increased 26.9 percent (range, 12.2 to 53.5 percent) after distraction, and the hyoid bone advanced an average of 14.5 mm (range, 8 to 25 mm). Bilateral mandibular distraction is an effective method of expanding the mandibular framework and concomitantly advancing the base of the tongue. The technique provides a tool for early intervention and decannulation in pediatric patients with indwelling tracheostomies secondary to mandibular deficiencies. (Plast. Reconstr. Surg. 103: 48, 1999.)Keywords
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