P070 Efficacy of the ExVent Accessory with the O2Vent Optima Oral Appliance in the Treatment of Obstructive Sleep Apnea – A Clinical Trial

S Sharma, H Reiter, A Conflitti
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Abstract

Abstract Introduction The study assessed the efficacy of oral appliance device O2Vent Optima and ExVent, an oral Expiratory Positive Airway Pressure (EPAP) accessory in the treatment of OSA. Methods A prospective, open-label study conducted at 3 sites in mild to moderate OSA (AHI ≥ 5 and ≤ 30). Screening Phase A diagnostic in-lab PSG study confirmed a diagnosis of mild to moderate OSA. Treatment I Subjects used O2Vent Optima for 6 weeks and underwent a PSG sleep night while using the O2Vent Optima. Treatment II Subjects used O2Vent Optima + ExVent for 6 weeks and underwent a PSG sleep night while using the O2Vent Optima + ExVent Primary Effectiveness Measure: Change in AHI between baseline vs. O2Vent Optima MAD vs. O2Vent Optima + ExVent Results Treatment with Optima, Optima + ExVent reduced AHI from 22.5±6.4/hr to 12.6±4.5/hr to 5.9±2.7 (p< 0.005 baseline vs. Optima and Optima + ExVent; p<0.05 Optima MAD vs. Optima + ExVent). Average reduction in AHI with Optima was 43% and with Optima + ExVent was 72%. The lowest oxygen during sleep increased from 84.6±2.7% to 88.6±2.9% to 91.6±3.2% (p< 0.005 baseline vs. Optima and Optima + ExVent; p<0.05 Optima vs. Optima + ExVent). During the trial patients on treatment with Optima and Optima + ExVent demonstrated no excessive adverse events or device malfunction. Conclusion Treatment with O2Vent Optima and O2Vent Optima + ExVent significantly improved OSA compared to the baseline. Even greater benefit was observed with addition of ExVent to the Optima in mild to moderate OSA.
ExVent配件联合O2Vent Optima口腔矫治器治疗阻塞性睡眠呼吸暂停的临床研究
摘要:本研究评估了口腔器械O2Vent Optima和口腔呼气正压通气(EPAP)辅助装置ExVent治疗OSA的疗效。方法在3个轻中度OSA患者(AHI≥5和≤30)进行前瞻性、开放标签研究。筛查A期诊断性实验室PSG研究证实了轻度至中度OSA的诊断。治疗一:受试者使用O2Vent Optima 6周,并在使用O2Vent Optima的同时进行PSG睡眠。治疗II受试者使用O2Vent Optima + ExVent治疗6周,并在使用O2Vent Optima + ExVent主要有效性测量方法的同时进行PSG睡眠夜:基线与O2Vent Optima的AHI变化与O2Vent Optima的AHI变化与O2Vent Optima + ExVent结果相比,Optima + ExVent将AHI从22.5±6.4/小时降低到12.6±4.5/小时至5.9±2.7 (p<基线vs Optima和Optima + ExVent 0.005;p<0.05 Optima MAD vs. Optima + ExVent)。Optima的平均AHI降低率为43%,Optima + ExVent的平均AHI降低率为72%。睡眠时最低含氧量由84.6±2.7%上升至88.6±2.9%,再上升至91.6±3.2% (p<基线vs Optima和Optima + ExVent 0.005;p<0.05 Optima vs. Optima + ExVent)。在试验期间,接受Optima和Optima + ExVent治疗的患者没有出现过多的不良事件或设备故障。结论与基线相比,O2Vent Optima和O2Vent Optima + ExVent治疗可显著改善OSA。在轻度至中度OSA患者中,在Optima的基础上加入ExVent,观察到更大的益处。
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