A novel intraoral neuromuscular stimulation device for treating sleep-disordered breathing

Bhik Kotecha, Phui Yee Wong, Henry Zhang, Amro Hassaan, Bhik Kotecha, Phui Yee Wong, Henry Zhang, Amro Hassaan

Abstract

Purpose: To ascertain the usefulness of a novel intraoral neuromuscular stimulation device in treating patients with primary snoring and mild obstructive sleep apnoea (OSA). This device uses daytime awake neuromuscular electrical stimulation (NMES) as an application to induce toning of the tongue muscles.

Methods: A prospective cohort study of 70 patients with sleep-disordered breathing was conducted. Objective snoring and respiratory parameters were recorded with 2 consecutive night WatchPat sleep studies before and after treatment. The device was used for 20 min once daily for a 6-week period. Secondary outcome measures using visual analogue scale reporting of snoring by patient and Epworth Sleepiness Score (ESS) were recorded. Quality of life parameters were also noted.

Results: Objective reduction of snoring was noted on the sleep studies in 95% of participants, with an average snoring time reduction of 48%. Subjectively, the visual analogue scale reported by partners' similarly demonstrated reduction in 95% of the patients with an average reduction of 40%. In a subset of 38 patients with mild OSA, AHI reduced from 9.8 to 4.7/h (52% reduction), ODI 7.8 to 4.3/h (45% reduction), and ESS from 9.0 to 5.1. Adverse effects encountered were minimal.

Conclusion: This prospective cohort study demonstrates a notable improvement in both objective and subjective parameters of snoring and mild OSA in both simple snorers and patients with mild OSA. This device offers a safe and novel approach to reduce snoring and mild OSA by utilising intraoral neuromuscular electrical stimulation. This could be a preferred option for patients as it alleviates the need of using an oral device during sleep.

Trial registration: clinicaltrials.gov identifier NCT03829956.

Keywords: Awake neuromuscular stimulation; Intraoral device; Mild OSA; Primary snoring.

Conflict of interest statement

Professor Kotecha received sponsorship from Signifier Medical Limited for attending clinical meetings for presentations. None of the other authors have conflicts of interest to declare.

© 2021. The Author(s).

Figures

Fig. 1
Fig. 1
eXciteOSA device with smartphone app
Fig. 2
Fig. 2
eXciteOSA device in situ
Fig. 3
Fig. 3
Change in AHI, ODI and ESS in subgroup of patients with mild OSA (n=38) (p<0.001)
Fig. 4
Fig. 4
Device stimulus intensity levels during the 6-week treatment period
Fig. 5
Fig. 5
Bed partner visual analogue score (VAS) before treatment, end of treatment (week 5/6) and after stopping treatment (week 7/8) (p< 0.001)

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Source: PubMed

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