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Stimulation of the Hypoglossal Nerve for Obstructive Sleep Apnea Treatment

  • By

  • Armita Norouzi

  • Megan L. Durr

  • September 1, 2026

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  • 1

    Hypoglossal nerve stimulation (HNS) is a surgical treatment for obstructive sleep apnea (OSA) using a small implanted device.

  • 2

    HNS works by stimulating the hypoglossal nerve to move the tongue forward, maintaining an open airway during sleep.

  • 3

    There are two primary approaches to HNS: unilateral stimulation activates one side of the tongue, while bilateral stimulation activates both sides.

  • 4

    Patient eligibility for HNS depends on factors such as polysomnography results, weight, airway anatomy, and overall health.

  • 5

    Potential risks of HNS surgery include pain, bleeding, swelling, and temporary tongue discomfort, with nerve injury occurring in less than 1% of cases.

Original Source(s)

Hypoglossal Nerve Stimulation

  • by Armita Norouzi, Megan L. Durr

  • September 1, 2026

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