Σφακιανάκης Αλέξανδρος
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Σάββατο 9 Ιουνίου 2018

Does drug-induced sleep endoscopy predict surgical success of limited palatal muscle resection in patients with obstructive sleep apnea?

Publication date: October 2018
Source:Auris Nasus Larynx, Volume 45, Issue 5
Author(s): Jae-Wook Kim, Deok Soo Kim, Sung-Dong Kim, Sue Jean Mun, Soo-Kweon Koo, Kyu-Sup Cho
ObjectiveThe aims of this study were to determine the associated factors affecting the success rate of limited palatal muscle resection (LPMR), and to investigate whether drug-induced sleep endoscopy (DISE) could predict the therapeutic response to LPMR in patients with obstructive sleep apnea obstructive sleep apnea (OSA).MethodsTwenty-one consecutive OSA patients underwent LPMR were enrolled. All patients received routine ENT examination, preoperative DISE, and polysomnography (PSG). Clinical, polysomnographic, cephalometric variables, and DISE findings were evaluated. The measurements were related to the success or failure of LPMR based on the results of preoperative and postoperative PSG.ResultsThe overall success rate of LPMR was 66.6%. Postoperative AHI and minimal oxygen saturation were significantly decreased after LPMR (p<0.001). Comparison between success and failure groups revealed no significant differences in BMI, Friedman stage, preoperative AHI, minimal oxygen saturation, and all cephalometric parameters. However, the success of LPMR was significantly correlated with site, degree, and configuration of obstruction in DISE. In the velopharynx, complete obstruction (p=0.006) with anterolateral or concentric pattern (p=0.044) had significantly better success rate than partial obstruction with lateral pattern.ConclusionDISE was only predictive method for identifying the success in OSA patients undergoing LPMR. Patients with anteroposterior or concentric total obstruction in the velopharynx might be suitable candidate for LPMR.



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