Extract
We read with interest the article by Eastwood et al. [1] on bilateral hypoglossal nerve stimulation for treatment of adult obstructive sleep apnoea (OSA), the BLAST OSA trial. The authors present data on a novel approach, the Genio system, to stimulate the hypoglossal nerve and provide neuromuscular tone to the genioglossus, the main dilator muscle of the upper airway, to improve upper airway patency in OSA. The primary outcomes of the BLAST OSA trial focus on indices describing severity of OSA, the apnoea–hypopnoea index (AHI), and the safety of this approach. The AHI improved by 10.8 events per hour at 6 months, leading to a symptomatic improvement, as measured by the Epworth Sleepiness Scale and the Functional Outcome of Sleep Questionnaire (FOSQ-10), and any serious adverse events observed were related to the surgical procedure; most minor adverse events wore off during the 6-month follow-up period.
Abstract
Electrical stimulation for the treatment of OSA can be delivered invasively, using hybrid methods as well as non-invasively http://bit.ly/2ogLBFP
Footnotes
Conflict of interest: M. Pengo has nothing to declare.
Conflict of interest: E.I. Schwarz has nothing to declare.
Conflict of interest: J. Steier is named inventor on a patent for Kings College London/Guys & St Thomas’ NHS Foundation Trust for an apparatus to treat snoring and sleep apnoea using electrical stimulation.
- Received October 13, 2019.
- Accepted October 17, 2019.
- Copyright ©ERS 2020
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