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A Multidisciplinary Approach to Mandibular Distraction Osteogenesis.

Katharine P Playter1, Reef K Al-Asad1, Angela Ling1

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Mandibular distraction osteogenesis (MDO) in newborns with micrognathia and airway obstruction is effective. An interdisciplinary team approach minimized tracheostomy and complications, improving feeding difficulties in most patients.

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Area of Science:

  • Craniofacial Surgery
  • Pediatric Surgery
  • Otolaryngology

Background:

  • Newborns with micrognathia and upper airway obstruction require careful management.
  • Mandibular distraction osteogenesis (MDO) is a surgical option for these infants.
  • Adverse outcomes can be minimized through proper patient selection and interdisciplinary care.

Purpose of the Study:

  • To describe the outcomes of MDO in infants with micrognathia and airway obstruction.
  • To evaluate the effectiveness of an interdisciplinary team approach in managing these patients.
  • To identify factors influencing MDO outcomes.

Main Methods:

  • Retrospective cohort study of patients undergoing MDO between 2017 and 2022.
  • Inclusion criteria: glossoptosis, micrognathia, or Pierre Robin sequence.
  • Outcomes assessed: tracheostomy incidence, complications, gastrostomy tube dependence, feeding difficulties.

Main Results:

  • 15 patients underwent MDO; 14 avoided tracheostomy.
  • One patient required temporary tracheostomy.
  • No cases of hardware loss, nonunion, malunion, or repeat distraction were reported.
  • Minor complications included pin-site cellulitis (5) and gastrostomy tube use (3).
  • 47% of patients showed improved feeding difficulties postoperatively.

Conclusions:

  • MDO is a safe and effective procedure for newborns with micrognathia and airway obstruction.
  • An interdisciplinary team approach is crucial for successful MDO outcomes.
  • This approach minimizes tracheostomy rates and postoperative complications.