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Hypoglossal nerve stimulation in a pre-clinical anesthetized rabbit model relevant to OSA. | LitMetric

Hypoglossal nerve stimulation in a pre-clinical anesthetized rabbit model relevant to OSA.

Respir Physiol Neurobiol

Department of Medicine, Division of Puelmonary, Critical Care, and Sleep Medicine, Case Western Reserve University, Cleveland, OH, United States; Louis Stokes Cleveland VA Medical Center, Cleveland, OH, United States. Electronic address:

Published: April 2018

AI Article Synopsis

Article Abstract

We tested the functional effects of hypoglossal (CNXII) stimulation in the anesthetized rabbit before and after injections of saline into the tongue base to obstruct the airway. Data (n = 6) show little or no effect of CN XII trunk stimulation; however, medial branch stimulation (20-100 Hz; 50-500 μs pulse width, and incremental increases from 10 μA) reduced upper airway resistance. Medial branch stimulation was less effective in reducing resistance than anterior advancement of the hyoid. Endoscopic viewing (n-3) of the retropalate showed this region as the narrowest and dynamically changed by anterior hyoid displacement, with less evident effects than CNXII stimulation. We conclude that under these conditions CNXII medial branch stimulation reduces airway resistance, especially after induced obstruction.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7408316PMC
http://dx.doi.org/10.1016/j.resp.2018.01.015DOI Listing

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