Upper Airway Changes After Mandibular Setback and/or Advancement Genioplasty in Obese Patients

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Wen DuEn Luo

Abstract

Orthognathic surgeries, such as bilateral sagittal split ramus osteotomy (BSSO) and genioplasty, can influence the pharyngeal airway space (PAS) and this has been supported by previous studies. The purpose of this study was to assess changes of the PAS in patients with a high body mass index (BMI) likely to have narrow airways before and after setback BSSO with or without advancement genioplasty surgery by 3-dimensional computed tomography. Thirty-five adults with a BMI of at least 24.0 kg/m(2) were treated from 2010 to 2016. Samples were grouped mandibular setback (group A; n = 11), advancement genioplasty (group B; n = 12), and mandibular setback plus advancement genioplasty (group C; n = 12). Computed tomograms were obtained 1 week preoperatively (T0), 1 week postoperatively (T1), and at least 1 year postoperatively (T2). The area of the posterior nasal spine and posterior plane (PPA), the soft palate plane (SPA), the plane of the most posterior point of the tongue base (PTA), the plane of the root of the epiglottis (EA), and the volumes of the palatopharyngeal part (VP), oropharyngeal part (VO), glossopharyngeal part (VG), and laryngeal part (VL) were measured and compared within groups using analysis of variance. The P val...Continue Reading

Citations

Jun 1, 2021·Frontiers in Cell and Developmental Biology·Juan I YoungSusan H Blanton
Aug 20, 2021·International Journal of Oral and Maxillofacial Surgery·M D HanM Miloro

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