{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T02:34:25Z","timestamp":1773110065110,"version":"3.50.1"},"reference-count":23,"publisher":"S. Karger AG","issue":"5","license":[{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ORL"],"published-print":{"date-parts":[[2014]]},"abstract":"<jats:p>&lt;b&gt;&lt;i&gt;Objective:&lt;\/i&gt;&lt;\/b&gt; To determine the predictors of success in patients undergoing transoral robotic surgery (TORS) and multilevel procedures for the management of moderate-to-severe obstructive sleep apnea hypopnea syndrome (OSAHS). &lt;b&gt;&lt;i&gt;Methods:&lt;\/i&gt;&lt;\/b&gt; A total of 121 patients (83 male, 38 female) underwent TORS between 2010 and 2013. All patients had robotic assisted lingual tonsillectomy, either as stand-alone surgery or in combination with palatal Z-plasty, lateral pharyngoplasty or uvulopalatopharyngoplasty. The apnea-hypopnea index (AHI) and body mass index (BMI) were measured preoperatively and 3 months postoperatively. Success was defined as AHI &lt;20 and a decrease in AHI by 50%. &lt;b&gt;&lt;i&gt;Results:&lt;\/i&gt;&lt;\/b&gt; There was a significant difference in the preoperative and postoperative AHI in the entire cohort (42.7 vs. 22.2; p &lt; 0.001). Overall, 84.3% of patients had an improvement in their AHI, 51.2% of patients met the criteria for success, and 14% met the criteria for cure defined as AHI &lt;5. When stratifying by BMI, there was a significant difference in success when comparing patients with a BMI &lt;30 versus those with a BMI &gt;30 (69.4 vs. 41.7%; p = 0.004). The cure rate was 15.3% in patients with a BMI &lt;30 and 11.1% in those with a BMI &gt;30 (p = 0.54). &lt;b&gt;&lt;i&gt;Conclusions:&lt;\/i&gt;&lt;\/b&gt; TORS lingual tonsillectomy and multilevel procedures were successful in treating moderate-to-severe OSAHS in selected patients. Preoperative BMI helps the clinician to predict success in these patients, with two thirds of patients having a clinically useful benefit. i 2014 S. 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