Predicting outcome of velopharyngeal surgery in drug-induced sleep endoscopy by traction velum
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Predicting outcome of velopharyngeal surgery in drug‑induced sleep endoscopy by traction velum Mei Zhu1 · Shusheng Gong1 · Jingying Ye2 · Yuyu Wang1 · Xue Bai1 · Kevin A. Peng3 Received: 20 April 2020 / Accepted: 13 August 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Background Outcomes of surgical management of obstructive sleep apnea–hypopnea syndrome (OSAHS) can be difficult to predict preoperatively. Aims/objectives To study the effect of applying traction to the velum during drug-induced sleep endoscopy (DISE) in OSAHS patients, and to describe the use of traction velum in predicting surgical success. Materials and methods 41 adult surgical patients with OSA (Friedman tongue position II and III) were evaluated by DISE. All patients subsequently underwent velopharyngeal surgery in the form of uvulopalatopharyngoplasty with tonsillectomy plus barbed reposition pharyngoplasty. Results Surgical responders (n = 26, 63.4%) and nonresponders (n = 15, 36.6%) demonstrated no significant differences with regard to preoperative AHI, age, sex, body mass index, and mean/lowest O2 saturation. Responders had a marked decrease in desaturation events (2.96 vs 0.03, p
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