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Title: Minimally Invasive, Single-Stage, Multilevel Surgery for Obstructive Sleep Apnea in Asian Patients.
Author: Lin HC, Friedman M, Chang HW, Bonzelaar L, Salapatas AM, Lin MC, Huang KT.
Journal: JAMA Otolaryngol Head Neck Surg; 2017 Feb 01; 143(2):147-154. PubMed ID: 27832273.
Abstract:
IMPORTANCE: This study adds to the literature on the efficacy and low complication rates associated with minimally invasive, single-stage, multilevel surgery for Asian adults with obstructive sleep apnea (OSA) for whom conservative treatment had failed. Overall, our experience has produced results that make this procedure an option for select patients with snoring and OSA. OBJECTIVE: To investigate the effectiveness and safety of anatomy-based, minimally invasive, single-stage, multilevel surgery in the treatment of OSA in an Asian population. DESIGN, SETTING, AND PARTICIPANTS: This retrospective study enrolled 59 consecutive patients with OSA from a tertiary academic medical center who had multilevel obstruction and unsuccessful conservative therapy and then underwent minimally invasive, single-stage, multilevel surgery. The subjective symptoms and objective polysomnographic findings were collected preoperatively and at a minimum of 3 months postoperatively. The Global Patient Assessment questionnaire was used to assess patient satisfaction after minimally invasive, single-stage, multilevel surgery. MAIN OUTCOMES AND MEASURES: Scores on the Epworth Sleepiness Scale and bed partner evaluation of patient's snoring on a visual analog scale (scale of 0-10, with 0 indicating no snoring and 10 indicating the bed partner to leave the room or sleep separately, as assessed by the bed partner). The primary outcomes are a 50% decrease in bed partner's snoring visual analog scale level postoperatively and an improvement of 50% or more in apnea-hypopnea index by an at least 3-month follow-up. Adverse events and patient-reported quality measures were also assessed. RESULTS: Forty-seven patients (36 men and 11 women; mean [SD], 47.3 [10.9] years) with a minimum 3-month follow-up and complete data were included in the analysis. None of the patients had serious perioperative or postoperative complications. Three months postoperatively, the mean (SD) scores on the Epworth Sleepiness Scale and bed partner evaluation of patient's snoring on the visual analog scale decreased from 11.6 (4.3) to 9.2 (3.1), with a mean (SD) difference of -2.4 (3.7) (95% CI, -3.5 to -1.3), and 9.4 (1.5) to 3.9 (1.9), with a mean (SD) difference of -5.6 (2.0) (95% CI, -6.2 to -5.0), respectively. The mean (SD) apnea-hypopnea index and lowest oxygen saturation changed from 30.5 (18.8) to 26.0 (16.5), with a mean (SD) difference of -4.5 (14.1) (95% CI, -8.6 to -0.3), and 78.2% (9.9%) to 80.8% (8.2%), with a mean (SD) difference of +2.6 (8.7) (95% CI, 0-5.1), respectively. The surgical response rate was 46.8% (22 of 47 patients) (95% CI, 32.5%-61.1%). The success rate by the classic definition was 14.9% (7 of 47 patients) (95% CI, 6.2%-28.3%). CONCLUSIONS AND RELEVANCE: This study reveals the improvement of the 2 relevant clinical outcomes in snoring severity and daytime sleepiness after minimally invasive, single-stage, multilevel surgery for patients with OSA but the limited effects on the polysomnographic parameters. Although the current role of minimally invasive, single-stage, multilevel surgery for Asian adults with OSA remains to be established, it is hoped that ongoing and future studies will solidify their role in the treatment of OSA.

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