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Updated: Jun 13, 2026
04:24
A Mouse Distraction Osteogenesis Model
Published on: November 14, 2018
Mandibular distraction osteogenesis for pediatric airway management
1Department of Oral and Maxillofacial Surgery, University of Illinois at Chicago, College of Dentistry, Chicago, IL 60612-7211, USA. mmiloro@uic.edu
Summary
Mandibular distraction osteogenesis (DO) effectively resolves pediatric upper airway obstruction caused by mandibular retrognathia. This surgical technique successfully avoids tracheostomy in infants and children, promoting normal feeding and speech development.
Area of Science:
- Craniofacial Surgery
- Pediatric Otolaryngology
- Orthognathic Surgery
Background:
- Mandibular retrognathia in pediatric patients can lead to severe upper airway obstruction due to tongue collapse.
- This obstruction may necessitate tracheostomy, impacting speech and feeding development.
- Mandibular distraction osteogenesis (DO) presents a potential alternative to tracheostomy.
Purpose of the Study:
- To evaluate the efficacy of mandibular DO in treating pediatric patients with upper airway obstruction secondary to mandibular deficiency.
- To assess the potential of DO to avoid tracheostomy or facilitate decannulation in affected children.
- To review outcomes in a cohort of pediatric patients undergoing DO for airway management and jaw discrepancy.
Main Methods:
- Retrospective review of 35 pediatric patients (36 weeks gestation to 4 years) with airway obstruction due to mandibular retrognathia.
- All patients underwent mandibular DO using bilateral corticotomies, Kirchner wires, and external distraction devices.
- Distraction was performed at 3-5 mm/day, with a mean consolidation period of 28 days; radiographic analysis was conducted pre- and post-operatively.
Main Results:
- All 35 patients experienced resolution of upper airway obstruction, with no need for tracheostomy; pre-existing tracheostomies were removed.
- Post-distraction, apnea monitors did not trigger, and sleep studies were normal.
- Radiographic analysis showed significant improvements: mean posterior airway space increased by 12 mm, overjet decreased by 12 mm, and mandibular length increased by 15 mm.
Conclusions:
- Mandibular distraction osteogenesis is a safe and effective treatment for pediatric upper airway obstruction caused by mandibular deficiency.
- DO addresses the underlying etiology, successfully avoiding tracheostomy and enabling normal development.
- This procedure offers a viable surgical option for improving airway patency and craniofacial structure in affected children.
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