Volume 5 ; Issue 1 ; in Month : Jan-Dec (2024) Article No : 105
Isaac M, ElBeshlawy DM, Elsobki A, et al.

Abstract
Purpose: To evaluate the integration of Cone-beam Computed Tomography (CBCT) as an auxiliary radiographic modality for airway assessment to pinpoint blockage locations and improve Obstructive Sleep Apnea (OSA) surgical results. Material and methods: Thirty-eight OSA patients were selected from the ENT outpatient clinic, Faculty of Medicine, Mansoura University, and divided into two equal groups. After performing polysomnography and recording the Apnea Hypoapnea Index (AHI), Drug-Induced Sleep Endoscopy (DISE) was carried out for both groups. CBCT imaging was performed for group (1) patients only. Afterward, the otolaryngologist selected the suitable surgical procedure for all patients. Post-surgical results were assessed six months after surgery. Another polysomnography was used to compare the postoperative AHI value to the preoperative value. At least a 50% reduction in the postoperative value was considered a conventional surgical success. Results: A significant difference in AHI values before and after the operation between both groups was shown. Group (1) reduced by 55.7% more than group (2), which reduced by 30.7%. There was no statistically significant difference between the success rates of the two groups. Conclusion: CBCT quantifies airway obstruction preoperatively, serving DISE, and thus improving OSA surgical success. Better collapse extent assessment using CBCT improves results and prospects. Future studies should explore specialists' CBCT use with larger sample sizes and a wider spectrum of OSA patients with different AHI levels.

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