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Αλέξανδρος Γ. Σφακιανάκης

Sunday, April 18, 2021

Effect of position therapy and oral devices on sleep parameters in patients with obstructive sleep apnea

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Eur Arch Otorhinolaryngol. 2021 Apr 17. doi: 10.1007/s00405-021-06817-2. Online ahead of print.

ABSTRACT

PURPOSE: The purpose of this study was to elucidate the effect of a neck-worn position therapy device (PTD) and oral appliance (OA) on sleep parameters in patients with obstructive sleep apnea (OSA).

METHODS: Patients with an apnea hypopnea index (AHI) of 5/h or more at baseline polysomnography were divided into a PTD group and an OA group randomly. All participants underwent a type 1 polysomnography for diagnosis and device-set outcome measurements.

RESULTS: The PTD decreased the AHI from a mean of 24.2/h to 16.7/h, and the OA decreased the AHI from 20.8/h to 10.3/h. Snoring duration decreased from 31.1% to 16.9% in the PTD group, and from 41.2% to 30.7% in the OA group. There were no significant differences in these decreases between the two groups. The PTD decreased sleep-time percentage in the supine position from a mean of 67.4% to 4.5%, despite five patients who were unable to avoid the supine position. There were no significant differences in improvement in sleep efficiency, percentage of stage wake, stage N1, stage N2, and stage REM, and overall arousal and respiratory arousal indices between the two groups. However, the spontaneous arousal index worsened in the OA responders but remained unchanged in the PTD responders. Percentage of stage N3 sleep (%N3) was improved in the PTD responders but not in the OA responders. There were significant differences in spontaneous arousal index and %N3 between the two groups.

CONCLUSION: PTDs are a potential treatment modality that does not disturb sleep in patients with OSA.

PMID:33864481 | DOI:10.1007/s00405-021-06817-2

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