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Clinical Trial Summary

Recently published data suggest that stimulation of the infrahyoid strap muscles increases pharyngeal patency in patients with obstructive sleep apnea, but the innervation of these muscles by the ansa cervicalis is variable. The investigators propose a study examining the anatomic variation of the ansa cervicalis and the effect of neurostimulation on muscle recruitment.


Clinical Trial Description

This is a single-arm physiology study. Consenting patients undergoing neck dissection (ND) for cervical lymphadenectomy of level IV will undergo dissection of the ansa cervicalis nerves to the infrahyoid strap muscles. Per routine care, a large incision is made across the neck to provide surgeons access to the cervical lymph nodes for extirpation. During this dissection, the branch(es) of the ansa cervicalis nerve plexus descending from the loop of the plexus and innervating the infrahyoid strap muscles (the "common trunk") are dissected uni- or bilaterally. For this study, measurements and photos/videos of the common trunks will be taken. An electrode will be placed on one or both common trunks to stimulate infrahyoid muscles. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05650710
Study type Interventional
Source Vanderbilt University Medical Center
Contact Katie Hartley-Estes, RPSGT
Phone (615) 875-9214
Email katherine.e.hartley@vumc.org
Status Recruiting
Phase N/A
Start date February 28, 2023
Completion date December 2025

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