Effects of bimaxillary orthognathic surgery on pharyngeal airway and respiratory function at sleep in patients with class III skeletal relationship

Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
Tahsin TepecikMetin Akgün

Abstract

The aim of this study was to examine the effects of bimaxillary orthognathic surgery on pharyngeal airway space (PAS) and respiratory function during sleep. The subjects were 21 patients with class III skeletal relationship, and all of the patients underwent bimaxillary surgery (Le Fort I advancement and bilateral sagittal split ramus setback osteotomies simultaneously). Pharyngeal volumes of nasopharyngeal (V-NPA), retropalatal (V-RPA), retrolingual (V-RLA), oropharyngeal (V-ORO) and total pharyngeal airways (V-TOT); minimum axial areas of retropalatal (MA-RPA), retrolingual (MA-RLA) and oropharyngeal airways (MA-ORO); and position of the hyoid were studied in order to detect dimensional PAS changes using cone-beam computed tomography (CBCT) with Dolphin 11.8 software immediately before surgery (T1) and during a period of 6-12 months postoperatively (T2) in all of the patients. Apnea-hypopnea index (AHI), respiratory disturbance index (RDI) and apnea in supine position (SupAHI) parameters were measured with a Compumedics E series full polysomnography system. In volumetric measurements, the V-ORO parameter decreased significantly (p < 0,05) while there was no statistically significant change in the rest of the volumetric parame...Continue Reading

Citations

Jun 27, 2019·Sleep & Breathing = Schlaf & Atmung·Omer ArazMetin Akgun
Dec 8, 2019·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Maximilian RiekertVolker C Schick
Jan 12, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Julia von BremenSabine Ruf

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