Distraction Osteogenesis Workup
- Author: Pravin K Patel, MD; Chief Editor: Jorge I de la Torre, MD, FACS more...
Imaging Studies
The workup primarily relies on radiographic information to define the anatomic deformity and to assess whether distraction osteogenesis is a viable alternative to the conventional surgery. Routine radiographic studies typically include CT with 3-dimensional reconstructions and dental radiographs (Panorex, frontal, and lateral cephalometric films). These studies serve to give a 3-D representation of the craniofacial abnormality and to determine whether sufficient bony stock is present for device fixation.[8] See the image below.
CT imaging illustrating skeletal deformity and airway compromise in infant with Pierre Robin sequence. Other Tests
Children with complex deformities require a multidisciplinary approach to reconstruction. All patients should be seen shortly before the procedure by a pediatrician. Secondly, close cooperation is necessary among plastic surgeons, oral surgeons, orthodontists, and pediatric dentists.
Neonates and infants with obstructive apnea may require flexible nasoendoscopy and polysomnography for diagnosis confirmation.[7] Failed nonsurgical upper airway stabilization measures like prone positioning, chest rolls, and nasopharyngeal tubes, should be documented.
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