The Effects of Maxillomandibular Advancement and Genioglossus Advancement on Sleep Quality

Abstract

Maxillomandibular advancement (MMA) using a standardized surgical procedure consisting of a LeFort I osteotomy and bilateral sagittal split ramus osteotomy and genioglossus advancement (GA) using a genioplasty improve airway volume, oxygen desaturation, and the AHI in patients with OSA. However, there are few reports on changes in sleep quality following MMA and GA. We assessed the effects of MMA and GA on sleep quality by comparing oxygen desaturation, AHI, and sleep architecture before and after surgery. Methods: Eight patients underwent polysomnography (PSG) and CT scan before and after surgery. Conclusions: Our study finds that %TST and %REM were both increased, while %S1 and NA both decreased. Based on these results, it appears that both the quality and quantity of sleep were improved. MMA and GA improve sleep respiratory disturbance and can also improve sleep quality.

Factors affecting obstructive sleep apnea severity depending on craniofacial morphological type

“…18 With respect to orthognathic surgery for OSA, Sato et al published therapeutic outcomes for MMA plus GA in Japanese patients, revealing that mean AHI improved from 28.0 ± 24.6 events/h preoperatively to 7.4 ± 6.9 events/h postoperatively. 19 The tongue reportedly adapted to the enlarged oral space within 1 year after MMA, and the low preoperative position of the hyoid bone was thus improved. 20 Our results in the present study also showed that hyoid bone position contributes to the severity of OSA in patients with a long face type, suggesting that improving skeletal morphology by MMA and improving the position of the hyoid bone by GA may be effective for treating OSA.…”

“…For patients with tongue position issues, upper airway stimulation or genioglossus advancement (GA) is indicated 18 . With respect to orthognathic surgery for OSA, Sato et al published therapeutic outcomes for MMA plus GA in Japanese patients, revealing that mean AHI improved from 28.0 ± 24.6 events/h preoperatively to 7.4 ± 6.9 events/h postoperatively 19 . The tongue reportedly adapted to the enlarged oral space within 1 year after MMA, and the low preoperative position of the hyoid bone was thus improved 20 .…”