balance disorder bilateral vestibular loss
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Patient has a disease that requires destructive surgery of the labyrinth - Patient has residual hearing that can be monitored using BERA - Patient is older than 18 years - Patient gives informed consent
Exclusion criteria
Exclusion criteria: - Patient is mentally incapacitated - Patient is carrier of any other implanted electronic device (e.g. pace-maker) - Patient has an enlarged vestibular aqueduct on routinely made preoperative CT-scan
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Assessment of preserved auditory function when the membranous labyrinth is kept intact 2. Assessment of preserved auditory function after the membranous labyrinth is perforated with an electrode, which closes the opening directly 3. Assessment of preserved auditory function after electrode manipulation 4. Assessment of preserved auditory function after vestibular implantation | — |
Secondary
| Measure | Time frame |
|---|---|
| 5. Assessment of preserved vestibular function with an electrode inside the semicircular canals 6. Assessment of damage on tissue and cellular level with histopathological examination of labyrinths after vestibular implantation | — |
Countries
Netherlands