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Identifying Stimulation Lead Malfunction After Hypoglossal Nerve Stimulation Implantion
Pearl Doan1, Megan L Durr1, Jolie L Chang1,2
1Department of Otolaryngology, Head and Neck Surgery, University of California, San Francisco School of Medicine, San Francisco, California, USA.
The Laryngoscope
|April 23, 2026
Abstract
None:
This case series describes four obstructive sleep apnea patients who underwent hypoglossal nerve stimulation implant surgery. After a period of OSA resolution with therapy, these patients presented with symptoms of increased snoring and reduced tongue sensation with implant activation. Impedance testing showed abnormally elevated values on bipolar electrode settings, and electrode reprogramming led to restored therapeutic benefit.
