scholarly journals Analysis of Metabolites Changes on Obstructive Sleep Apnea Patients After Multilevel Sleep Surgery

2020 ◽  
Author(s):  
Abdulmohsen Alterki ◽  
Shibu Joseph ◽  
Thangavel Alphonse Thanaraj ◽  
Irina Al-Khairi ◽  
Preethi Cherian ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Metabolic Status ◽  
Apnea Hypopnea Index ◽  
P Value ◽  
Upper Airways ◽  
Sleep Surgery ◽  
Post Surgery ◽  
Obstructive Sleep ◽  
Increased Risk

Background: Obstructive sleep apnea (OSA) is caused by partial or complete obstruction of the upper airways. Corrective surgeries aim at removing obstructions in the nasopharynx, oropharynx, and hypopharynx. OSA is associated with increased risk of various metabolic diseases. Our objective was to evaluate the effect of surgery on the plasma metabolome. Methods: This study included 39 OSA patients who underwent Multilevel Sleep Surgery (MLS). Clinical and anthropometric measures were taken at baseline and 5 months after surgery. Results: The mean Apnea Hypopnea Index (AHI) significantly dropped from 22.0 ± 18.5 events/hour to 8.97 ± 9.57 events/hour (p-Value <0.001). The Epworth’s sleepiness Score (ESS) dropped from 12.8 ± 6.23 to 2.95 ± 2.40 (p-Value <0.001) indicating success of the surgery in treating OSA. Plasma levels of metabolites, phosphocholines (PC) PC.41.5, PC.42.3, ceremide (Cer) Cer.44.0, and triglyceride (TG) TG.53.6, TG.55.6 and TG.56.8 were decreased (p-Value<0.05) whereas lysophosphatidylcholines (LPC) 20.0 and PC.39.3 were increased (p-Value<0.05) after surgery. Conclusion: This study highlights the success of MLS in treating OSA. Treatment of OSA resulted in improvement in metabolic status that was characterized by decreased TG, PCs and Cer metabolites post-surgery indicating that the success of the surgery positively impacted the metabolic status of these patients.

scholarly journals Targeted Metabolomics Analysis on Obstructive Sleep Apnea Patients after Multilevel Sleep Surgery

Metabolites ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 358
Author(s):  
Abdulmohsen Alterki ◽  
Shibu Joseph ◽  
Thangavel Alphonse Thanaraj ◽  
Irina Al-Khairi ◽  
Preethi Cherian ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Metabolic Diseases ◽  
Metabolic Status ◽  
Apnea Hypopnea Index ◽  
P Value ◽  
Upper Airways ◽  
Sleep Surgery ◽  
Obstructive Sleep ◽  
Increased Risk

Background: Obstructive sleep apnea (OSA) is caused by partial or complete obstruction of the upper airways. Corrective surgeries aim at removing obstructions in the nasopharynx, oropharynx, and hypopharynx. OSA is associated with an increased risk of various metabolic diseases. Our objective was to evaluate the effect of surgery on the plasma metabolome. Methods: This study included 39 OSA patients who underwent Multilevel Sleep Surgery (MLS). Clinical and anthropometric measures were taken at baseline and five months after surgery. Results: The mean Apnea-Hypopnea Index (AHI) significantly dropped from 22.0 ± 18.5 events/hour to 8.97 ± 9.57 events/hour (p-Value < 0.001). Epworth’s sleepiness Score (ESS) dropped from 12.8 ± 6.23 to 2.95 ± 2.40 (p-Value < 0.001), indicating the success of the surgery in treating OSA. Plasma levels of metabolites, phosphocholines (PC) PC.41.5, PC.42.3, ceremide (Cer) Cer.44.0, and triglyceride (TG) TG.53.6, TG.55.6 and TG.56.8 were decreased (p-Value < 0.05), whereas lysophosphatidylcholines (LPC) 20.0 and PC.39.3 were increased (p-Value < 0.05) after surgery. Conclusion: This study highlights the success of MLS in treating OSA. Treatment of OSA resulted in an improvement of the metabolic status that was characterized by decreased TG, PCs, and Cer metabolites after surgery, indicating that the success of the surgery positively impacted the metabolic status of these patients.

393 Comparison of Oxygenation Abnormalities Between Obstructive Sleep Apnea and Central Sleep Apnea

SLEEP ◽  
2021 ◽  
Vol 44 (Supplement_2) ◽  
pp. A156-A157
Author(s):  
Sikawat Thanaviratananich ◽  
Hao Cheng ◽  
Maria Pino ◽  
Krishna Sundar
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Demographic Data ◽  
Central Sleep Apnea ◽  
Nrem Sleep ◽  
Rate Of Change ◽  
Apnea Hypopnea Index ◽  
P Value ◽  
Obstructive Sleep ◽  
Cheyne Stokes Breathing

Abstract Introduction The apnea-hypopnea index (AHI) is used as a generic index to quantify both central sleep apnea (CSA) and obstructive sleep apnea (OSA) syndromes. Patterns of oxygenation abnormalities seen in CSA and OSA may be key to understanding differing clinical impacts of these disorders. Oxygen desaturation and resaturation slopes and durations in OSA and CSA were compared between OSA and CSA patients. Methods Polysomnographic data of patients aged 18 years or older with diagnosis of OSA and CSA, at University of Iowa Hospitals and Clinics, were analyzed and demographic data were collected. Oximetric changes during hypopneas and apneas were studied for desaturation/resaturation durations and desaturation/resaturation slopes. Desaturation and resaturation slopes were calculated as rate of change in oxygen saturation (ΔSpO2/Δtime). Comparison of hypoxemia-based parameters between patients with OSA and CSA was performed using unpaired t-test. Results 32 patients with OSA with median AHI of 15.4 (IQR 5.1 to 30.55) and median ODI of 15.47 (IQR 9.50 to 29.33) were compared to 15 patients with CSA with a median AHI of 20.4 (IQR 12.6 to 47.8) and median ODI of 27.56 (IQR 17.99 to 29.57). The mean number of desaturation and resaturation events was not significantly different between patients with OSA and CSA (OSA - 106.81±87.93; CSA - 130.67±76.88 with a p-value 0.1472). 4/15 CSA patients had Cheyne-Stokes breathing, 2/15 had treatment emergent central sleep apnea, 1/15 had methadone-associated CSA and for 8/15, no etiologies for CSA were found. Mean desaturation durations was significantly longer in OSA (20.84 s ± 5.67) compared to CSA (15.94 s ± 4.54) (p=0.0053) and consequently the desaturation slopes were steeper in CSA than OSA (-0.35%/sec ±0.180 vs. -0.243 ± 0.073; p=0.0064). The resaturation duration was not significantly longer in OSA (9.76 s ± 2.02) than CSA (9.057 s ± 2.17) (p=0.2857). Differences between desaturation duration and slopes between CSA and OSA persisted during REM and NREM sleep, and in supine sleep. Conclusion As compared to OSA, patients with CSA have different patterns of desaturations and resaturations with lesser hypoxic burden with CSA. This may have implications on the clinical outcomes seen between these two disorders. Support (if any):

scholarly journals Multilevel Sleep Surgery Including the Palate in Nonsyndromic, Neurologically Intact Children with Obstructive Sleep Apnea

OTO Open ◽  
2019 ◽  
Vol 3 (2) ◽  
pp. 2473974X1985147
Author(s):  
Jason E. Cohn ◽  
George E. Relyea ◽  
Srihari Daggumati ◽  
Brian J. McKinnon
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Tertiary Care ◽  
Case Series ◽  
T Test ◽  
Velopharyngeal Insufficiency ◽  
Apnea Hypopnea Index ◽  
Sleep Surgery ◽  
Obstructive Sleep ◽  
Neurologically Intact

Objective To examine the effects of multilevel sleep surgery, including palate procedures, on obstructive sleep apnea parameters in the pediatric population. Study Design A case series with chart review was conducted to identify nonsyndromic, neurologically intact pediatric patients who underwent either uvulectomy or uvulopalatopharyngoplasty as part of multilevel sleep surgery from 2011 through 2017. Setting A tertiary care, university children’s hospital. Subjects and Methods Unpaired Student t test was used to compare average pre- and postsurgical apnea-hypopnea index (AHI) and oxygen saturation nadir (OSN). Paired Student t test was used to compare the mean pre- and postsurgical AHI and OSN within the same patient for the effects of adenotonsillectomy (T&A) vs multilevel sleep surgery. Results In patients who underwent T&A previously, multilevel sleep surgery, including palate procedures, resulted in improved OSA severity in 6 (86%) patients and worsened OSA in 1 (14%) patient. Multilevel sleep surgery, including palate procedures, significantly decreased mean AHI from 37.98 events/h preoperatively to 8.91 events/h postoperatively ( P = .005). However, it did not significantly decrease OSN. Conclusion This study includes one of the largest populations of children in whom palate procedures as a part of multilevel sleep surgery have been performed safely with no major complications and a low rate of velopharyngeal insufficiency. Therefore, palatal surgery as a part of multilevel sleep surgery is not necessarily the pariah that we have traditional thought it is in pediatric otolaryngology.

Defining Risk of Postoperative Obstructive Sleep Apnea in Patients With 22q11.2DS Undergoing Pharyngeal Flap Surgery for Velopharyngeal Dysfunction Using Polysomnographic Evaluation

2020 ◽  
Vol 57 (7) ◽  
pp. 808-818
Author(s):  
Alfred Lee ◽  
Brian L. Chang ◽  
Cynthia Solot ◽  
Terrence B. Crowley ◽  
Vamsee Vemulapalli ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Tertiary Care ◽  
22Q11.2 Deletion Syndrome ◽  
Deletion Syndrome ◽  
Apnea Hypopnea Index ◽  
Pressure Therapy ◽  
Obstructive Sleep ◽  
Increased Risk ◽  
Pharyngeal Flap

Objective: To determine pre- and postoperative prevalence of obstructive sleep apnea (OSA) in patients with 22q11.2 deletion syndrome (DS) undergoing wide posterior pharyngeal flap (PPF) surgery for velopharyngeal dysfunction (VPD). Design: Retrospective study using pre- and postoperative polysomnography (PSG) to determine prevalence of OSA. Medical records were reviewed for patients’ medical comorbidities. Parents were surveyed about snoring. Setting: Academic tertiary care pediatric hospital. Patients: Forty patients with laboratory confirmed 22q11.2DS followed over a 6-year period. Interventions: Pre- and postoperative PSG, speech evaluation, and parent surveys. Main Outcome Measure: Severity and prevalence of OSA, defined by obstructive apnea hypopnea index (OAHI), before and after PPF surgery to determine whether PPF is associated with increased risk of OSA. Results: Mean OAHI did not change significantly after PPF surgery (1.1/h vs 2.1/h, P = .330). Prevalence of clinically significant OSA (OAHI ≥ 5) was identical pre- and postoperatively (2 of 40), with both cases having severe-range OSA requiring positive airway pressure therapy. All other patients had mild-range OSA. Nasal resonance was graded as severe preoperatively in 85% of patients. None were graded as severe postoperatively. No single patient factor or parent-reported concern predicted risk of OSA (OAHI ≥ 1.5). Conclusions: Patients with 22q11.2DS are medically complex and are at increased risk of OSA at baseline. Wide PPF surgery for severe VPD does not significantly increase risk of OSA. Careful perioperative planning is essential to optimize both speech and sleep outcomes.

scholarly journals Polysomnography and Nocturia Evaluations after Uvulopalatopharyngoplasty for Obstructive Sleep Apnea Syndrome

2020 ◽  
Vol 9 (10) ◽  
pp. 3089
Author(s):  
Yung-An Tsou ◽  
Eric Chieh-Lung Chou ◽  
Dung-Yun Shie ◽  
Ming-Jeng Lee ◽  
Wen-Dien Chang
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Symptom Score ◽  
Sleep Apnea Syndrome ◽  
Apnea Hypopnea Index ◽  
International Prostatic Symptom Score ◽  
Post Surgery ◽  
Obstructive Sleep ◽  
Group 2 ◽  
Group 1

A higher incidence rate of nocturia in patients with obstructive sleep apnea (OSA) has been observed. We investigated the differences in clinical examinations between OSA patients with and without nocturia, and further compared those with successful and unsuccessful uvulopalatopharyngoplasty (UPPP). This retrospective study enrolled 103 patients with OSA undergoing UPPP. Patients were diagnosed with OSA by following the 2018 American Academy of Sleep Medicine (AASM) Scoring Manual Version 2.5. Patients were divided into two groups depending on if they urinated more than twice per night. The medical data of body mass index (BMI), nocturia frequency per night, apnea–hypopnea index (AHI), Epworth Sleepiness Scale (ESS), International Prostatic Symptom Score (IPSS), and Overactive Bladder Symptom Score (OABSS) were analyzed before and after uvulopalatopharyngoplasty (UPPP) surgery. All of the measurements were compared between successful and unsuccessful surgery in the non-nocturia or nocturia groups, respectively. Fifty patients (41 males and nine females) without nocturia were assigned to group 1, and 53 patients (43 males and 10 females) with nocturia were assigned to group 2. Nocturia frequency and post-surgery AHI in group 2 were significantly higher than those in group 1 (p < 0.05). Significant decreases in IPSS and OABSS were observed in the successful surgery subgroup of group 2 (p < 0.05). A significant decrease in post-surgery AHI was observed between unsuccessful and successful surgery in patients with nocturia (p < 0.05), but not in the non-nocturia group (p > 0.05). Although AHI had a significant correlation to nocturia frequency in all OSA patients before UPPP, no significant correlation between AHI reduction and nocturia frequency was found. UPPP appeared to be an effective treatment for nocturia associated with OSA. OSA should be taken into consideration for patients who complain of nocturia syndrome. The relationship of AHI reduction and nocturia improvement after OSA treatment with UPPP is still unclear. In addition, it is necessary to establish the existence of nocturia in patients with OSA, as a result of its high prevalence in OSA patients. UPPP could reduce the symptoms of OSA and could also contribute to a reduction of nocturia even in the unsuccessful surgery group.

scholarly journals 0879 Outcomes of Adenotonsillectomy in Children with Down Syndrome and Obstructive Sleep Apnea

SLEEP ◽  
2020 ◽  
Vol 43 (Supplement_1) ◽  
pp. A335-A335
Author(s):  
A Morello Gearhart ◽  
B Gunaratnam ◽  
E Senthilvel
Keyword(s):  
Obstructive Sleep Apnea ◽  
Down Syndrome ◽  
Sleep Apnea ◽  
Sleep Onset ◽  
Sleep Efficiency ◽  
Apnea Hypopnea Index ◽  
P Value ◽  
Children With Down Syndrome ◽  
Arousal Index ◽  
Obstructive Sleep

Abstract Introduction Obstructive sleep apnea (OSA) is highly prevalent in children with Down Syndrome (DS). The aim of this study was to assess the effectiveness of adenotonsillectomy (T&A) on polysomnographic parameters of children with DS. Methods Retrospective chart review of children with DS who underwent T&A between 2012-2019 was performed. Preoperative OSA severity was categorized by obstructive apnea-hypopnea index (OAHI): mild = 1-4.9 events/h; moderate = 5-9.9 events/h; severe ≥ 10 events/h. Results We identified 43 DS children with pre and post T&A polysomnographic data in a population of 162 DS patients. A total of 25 were male, mean age 5.1 years (± 3.8 years) and 56% Caucasians. Preoperative data showed 19% mild OSA, 30% moderate and 51% severe. Postoperatively, apnea-hypopnea index (AHI) normalized in 9.3%, 37.2% had mild OSA, 18.6% moderate and 34.9% severe. Overall, T&A resulted in significant improvement (p-value &lt;0.05) in mean AHI, (18.51 ± 28.05 vs 11.72 ± 16.43), SaO2 nadir (80.00 ± 14.82 vs 85.51 ± 5.94), sleep efficiency (81.97 ± 11.15 vs 85.9 ± 8.28), arousal index (16.14 ± 10.23 vs 14.45 ± 12.34), and wake after sleep onset (67.19 ± 46.89 vs 50.55 ± 40.83) and no statistical difference (p-value &gt;0.05) in end-tidal carbon dioxide (43.86 ± 9.56 vs 44.17 ± 3.78), Rapid Eye Movement (REM)% (15.86 ± 7.75 vs 15.92 ± 7.41), sleep latency (24.03 ± 34.39 vs 22.55 ± 21.11), and central apnea index (0.86 ± 1.38 vs 0.66 ± 0.82) in pre and post T&A data. There was no statistically significant difference in pre and post T&A polysomnographic parameters between 17 DS and 17 age and gender-matched non-DS control subjects. Conclusion Adenotonsillectomy resulted in improvement in AHI, oxygen desaturation nadir, sleep efficiency, arousal index and wake after sleep onset. However, a significant portion of children with DS continued to have moderate to severe OSA after T&A. Support None.

scholarly journals Clinical significance of obstructive sleep apnea in patients with acute coronary syndrome in relation to diabetes status

2019 ◽  
Vol 7 (1) ◽  
pp. e000737 ◽  
Author(s):  
Xiao Wang ◽  
Jingyao Fan ◽  
Yunhui Du ◽  
Changsheng Ma ◽  
Xinliang Ma ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Acute Coronary Syndrome ◽  
Sleep Apnea ◽  
Arterial Oxygen Saturation ◽  
Arterial Oxygen ◽  
Apnea Hypopnea Index ◽  
Coronary Syndrome ◽  
Diabetes Status ◽  
Obstructive Sleep ◽  
Increased Risk

ObjectiveThe prognostic significance of obstructive sleep apnea (OSA) in patients with acute coronary syndrome (ACS) according to diabetes mellitus (DM) status remains unclear. We aimed to elucidate the association of OSA with subsequent cardiovascular events in patients with ACS with or without DM.Research design and methodsIn this prospective cohort study, consecutive eligible patients with ACS underwent cardiorespiratory polygraphy between June 2015 and May 2017. OSA was defined as an Apnea Hypopnea Index ≥15 events/hour. The primary end point was major adverse cardiovascular and cerebrovascular events (MACCEs), including cardiovascular death, myocardial infarction, stroke, ischemia-driven revascularization, or hospitalization for unstable angina or heart failure.ResultsAmong 804 patients, 248 (30.8%) had DM and 403 (50.1%) had OSA. OSA was associated with 2.5 times the risk of 1 year MACCE in patients with DM (22.3% vs 7.1% in the non-OSA group; adjusted HR (HR)=2.49, 95% CI 1.16 to 5.35, p=0.019), but not in patients without DM (8.5% vs 7.7% in the non-OSA group, adjusted HR=0.94, 95% CI 0.51 to 1.75, p=0.85). Patients with DM without OSA had a similar 1 year MACCE rate as patients without DM. The increased risk of events was predominately isolated to patients with OSA with baseline glucose or hemoglobin A1c levels above the median. Combined OSA and longer hypoxia duration (time with arterial oxygen saturation <90%>22 min) further increased the MACCE rate to 31.0% in patients with DM.ConclusionsOSA was associated with increased risk of 1 year MACCE following ACS in patients with DM, but not in non-DM patients. Further trials exploring the efficacy of OSA treatment in high-risk patients with ACS and DM are warranted.

scholarly journals A Pharyngoplasty with a Dorsal Palatal Flap Expansion: The Evaluation of a Modified Surgical Treatment Method for Obstructive Sleep Apnea Syndrome—A Preliminary Report

2021 ◽  
Vol 10 (16) ◽  
pp. 3746
Author(s):  
Ewa Olszewska ◽  
Piotr Fiedorczuk ◽  
Adam Stróżyński ◽  
Agnieszka Polecka ◽  
Ewa Roszkowska ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Oxygen Saturation ◽  
Obstructive Sleep Apnea Syndrome ◽  
Sleep Apnea Syndrome ◽  
Apnea Hypopnea Index ◽  
Upper Airways ◽  
Sleep Study ◽  
Obstructive Sleep ◽  
Apnea Syndrome

Surgical techniques for obstructive sleep apnea syndrome (OSAS) constantly evolve. This study aims to assess the effectiveness and safety of a new surgical approach for an OSAS pharyngoplasty with a dorsal palatal flap expansion (PDPFEx). A total of 21 participants (mean age 49.9; mean BMI 32.5) underwent a type III sleep study, an endoscopy of the upper airways, a filled medical history, a visual analog scale for snoring loudness, an Epworth Sleepiness Scale, and a Short Form Health Survey-36 questionnaire. A follow-up re-evaluation was performed 11 ± 4.9 months post-operatively. The study group (4 with moderate, 17 with severe OSAS) showed an improvement in all measured sleep study characteristics (p < 0.05), apnea-hypopnea index (pre-median 45.7 to 29.3 post-operatively, p = 0.009, r = 0.394), oxygen desaturation index (pre-median 47.7 and 23.3 post-operatively, p = 0.0005, r = 0.812), mean oxygen saturation (median 92% pre-operatively and median 94% post-operatively, p = 0.0002, r = 0.812), lowest oxygen saturation (p = 0.0001, r = 0.540) and time of sleep spent with blood oxygen saturation less than 90% (p = 0.0001, r = 0.485). The most commonly reported complications were throat dryness (11 patients) and minor difficulties in swallowing (5 patients transient, 3 patients constant). We conclude that a PDPFEx is a promising new surgical method; however, further controlled studies are needed to demonstrate its safety and efficacy for OSAS treatment in adults.

scholarly journals Design and Evaluation of a Non-Contact Bed-Mounted Sensing Device for Automated In-Home Detection of Obstructive Sleep Apnea: A Pilot Study

Biosensors ◽  
2019 ◽  
Vol 9 (3) ◽  
pp. 90 ◽  
Author(s):  
Mosquera-Lopez ◽  
Leitschuh ◽  
Condon ◽  
Hagen ◽  
Rajhbeharrysingh ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Pilot Study ◽  
Pressure Sensors ◽  
Diagnostic System ◽  
High Sensitivity ◽  
Apnea Hypopnea Index ◽  
P Value ◽  
Apnea Test ◽  
Obstructive Sleep

We conducted a pilot study to evaluate the accuracy of a custom built non-contactpressure-sensitive device in diagnosing obstructive sleep apnea (OSA) severity as an alternative toin-laboratory polysomnography (PSG) and a Type 3 in-home sleep apnea test (HSAT). Fourteenpatients completed PSG sleep studies for one night with simultaneous recording from ourload-cell-based sensing device in the bed. Subjects subsequently installed pressure sensors in theirbed at home and recorded signals for up to four nights. Machine learning models were optimized toclassify sleep apnea severity using a standardized American Academy of Sleep Medicine (AASM)scoring of the gold standard studies as reference. On a per-night basis, our model reached a correctOSA detection rate of 82.9% (sensitivity = 88.9%, specificity = 76.5%), and OSA severity classificationaccuracy of 74.3% (61.5% and 81.8% correctly classified in-clinic and in-home tests, respectively).There was no difference in Apnea Hypopnea Index (AHI) estimation when subjects wore HSATsensors versus load cells (LCs) only (p-value = 0.62). Our in-home diagnostic system providesan unobtrusive method for detecting OSA with high sensitivity and may potentially be used forlong-term monitoring of breathing during sleep. Further research is needed to address the lowerspecificity resulting from using the highest AHI from repeated samples.

Comparison of Traditional Upper Airway Surgery and Upper Airway Stimulation for Obstructive Sleep Apnea

2020 ◽  
pp. 000348942095317
Author(s):  
Colin Huntley ◽  
Maurits Boon ◽  
Samuel Tschopp ◽  
Kurt Tschopp ◽  
Carolyn M Jenks ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Sleep Apnea ◽  
Upper Airway ◽  
Apnea Hypopnea Index ◽  
Upper Airway Stimulation ◽  
Sleep Surgery ◽  
Medical Centers ◽  
Academic Medical ◽  
Obstructive Sleep ◽  
Quality Life

Objective: To compare patients with moderate-severe obstructive sleep apnea (OSA) undergoing traditional single and multilevel sleep surgery to those undergoing upper airway stimulation (UAS). Study Design: Case control study comparing retrospective cohort of patients undergoing traditional sleep surgery to patients undergoing UAS enrolled in the ADHERE registry. Setting: 8 multinational academic medical centers. Subjects and Methods: 233 patients undergoing prior single or multilevel traditional sleep surgery and meeting study inclusion criteria were compared to 465 patients from the ADHERE registry who underwent UAS. We compared preoperative and postoperative demographic, quality of life, and polysomnographic data. We also evaluated treatment response rates. Results: The pre and postoperative apnea hypopnea index (AHI) was 33.5 and 15 in the traditional sleep surgery group and 32 and 10 in the UAS group. The postoperative AHI in the UAS group was significantly lower. The pre and postoperative Epworth sleepiness scores (ESS) were 12 and 6 in both the traditional sleep surgery and UAS groups. Subgroup analysis evaluated those patients undergoing single level palate and multilevel palate and tongue base traditional sleep surgeries. The UAS group had a significantly lower postoperive AHI than both traditional sleep surgery subgroups. The UAS group had a higher percentage of patients reaching surgical success, defined as a postoperative AHI <20 with a 50% reduction from preoperative severity. Conclusion: UAS offers significantly better control of AHI severity than traditional sleep surgery. Quality life improvements were similar between groups.

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