Dizziness and nausea
Conditions
Interventions
Sham taVNS Group:The subjects will first undergo a cold stimulation test. During this period, the SPV (Slow phase Angle velocity) of nystagmus, the start time of nystagmus, the duration of nystagmus,
25 Hz Group:The subjects will undergo two cold stimulation tests and the results will be recorded. After the first cold stimulation test, vagus nerve stimulation will be performed at a frequency of 25
50 Hz Group:The subjects will undergo two cold stimulation tests and the results will be recorded. After the first cold stimulation test, vagus nerve stimulation will be performed at a frequency of 50
Sponsors
Sun Yat-sen Memorial Hospital, Sun Yat-sen University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: Patients aged 18 to 85 years with symptoms of dizziness and requiring vestibular function tests.
Exclusion criteria
Exclusion criteria: 1. History of stroke, epilepsy or neurological disorders; 2. Had any medication been used within one week prior to the study; 3. Install pacemakers and metal implants; 4. Earwax blockage.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| nystagmus duration;dizziness duration; | — |
Secondary
| Measure | Time frame |
|---|---|
| nystagmus start time;dizziness start time;Slow phase velocity of nystagmus;dizziness score;index of nausea and vomiting; | — |
Countries
China
Contacts
Public ContactYu Si
Sun Yat-sen Memorial Hospital, Sun Yat-sen University
Outcome results
None listed