Transoral Robot-Assisted Lingual Tonsillectomy and Uvulopalatopharyngoplasty for Obstructive Sleep Apnea

Objectives: We assessed the use of transoral robot-assisted lingual tonsillectomy and uvulopalatopharyngoplasty for the surgical management of tongue base obstruction in patients with obstructive sleep apnea. Methods: In a prospective, nonrandomized trial using historical controls, patients underwent drug-induced sleep endoscopy, transoral robot-assisted lingual tonsillectomy with uvulopalatopharyngoplasty, and preoperative and postoperative polysomnography. Results: Twenty patients have completed the study to date. The rate of surgical success was 45%, and the rate of surgical response was 65%. The mean preoperative apnea-hypopnea index of 55.6 decreased by 56.7%, to a mean postoperative value of 24.1 (p < 0.001), and the minimum arterial oxygen saturation increased from the mean preoperative value of 75.8% to the mean postoperative value of 81.7% (p = 0.013). The mean Epworth Sleepiness Scale score improved from 13.4 to 5.9 (p = 0.003). One patient had postoperative bleeding that required cauterization, resulting in a major complication rate of 4.2%. Conclusions: Transoral robot-assisted lingual tonsillectomy with uvulopalatopharyngoplasty is a novel technique for the surgical management of obstructive sleep apnea that results in a significant decrease in the apnea-hypopnea index, a significant improvement in minimum arterial oxygen saturation, and a significant improvement in the Epworth Sleepiness Scale score and has an acceptable complication rate.

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