bilateral vestibulopathy
Conditions
Interventions
To determine the optimal stimulus intensity of noisy GVS (0 - 1000 microA) using a stabilomenter. To apply noisy GVS with the optimal intensity for each patient, and evaluate postural stability and g
Sponsors
University of Tokyo Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients who showed corrective saccades to horizontal head impulses bilaterally, and showed reduced or absent caloric responses to ice water irrigation of the external auditory canal bilaterally (maximum slow phase eye velocity<10 deg/sec)
Exclusion criteria
Exclusion criteria: 1)Metal in the body, including intracephalic aneurysm clips and pace makers 2)Orthopedic disease 3)Heart disease 4)Inability to walk without assistance 5)A malignant tumor 6)Medicated by any tranquilizers and/or antidepressants 7)Consumed alcohol after 10 PM the day prior to the trial 8) Deemed not eligible by the investigator (co-investigator)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Changes in total length of the center of pressure (COP) from the baseline (From 0 to 3 h after the cessation of noisy galvanic vestibular stimulation) 2. Adverse events and troubles | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Changes in envelopment area and root meas square (RMS) of COP from the baseline 2. Changes in gait velocity, step length and step time | — |
Countries
Japan
Contacts
Public ContactShinichi Iwasaki
University of Tokyo Hospital
Outcome results
None listed