The purpose of this study is to document the safety of the Medtronic automatic periodic stimulating (APS) Electrode Stimulator during a parotidectomy and potentially prevent post-operative facial nerve weakness, which is a relatively common outcome after parotid surgery.
This study will be conducted in two phases. In the first phase the investigators will use the same monitoring system currently used during parotidectomy and requires placement of the APS electrode as the only additional piece of equipment. During this phase, the investigators will record intraoperative EMG data generated by the monitoring system as well as document intra-operative maneuvers that precede adverse EMG events. In the second phase of the study the investigators aim to allow the surgeon to alter his or her techniques, with the information provided by the APS electrode, to reverse adverse EMG changes.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
10
The APS electrode is an accessory intended for providing automatic periodic stimulation to nerves when used with the Medtronic Nerve Monitoring Systems.
The facial nerve monitoring system records the number of stimulations of the facial nerve during the operation and this data is stored on the device until it is shut down after the surgery is complete.
Mayo Clinic in Rochester
Rochester, Minnesota, United States
Change in Electromyography (EMG)
EMG is an electrodiagnostic medicine technique for evaluating and recording the electrical activity produced by skeletal muscles.
Time frame: baseline, approximately 3 hours
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