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This study will measure the effects of soft surgical techniques on vestibular function and quality of life in patients pre- and post-cochlear implant (CI) surgery. Additionally, the investigators will attempt to systematically evaluate the utility of different electrophysiological measures of vestibular system function in surgical ears.
Vestibular system function in CI patients will be evaluated pre-surgically and twice post-surgically, at 3 months and again at 1 year post-surgery. Traditional test techniques - such as VNG, rotational testing, and air conduction VEMPs - will be compared to and cross-checked with newer techniques including video head impulse testing (vHIT) and bone conduction VEMPs.
Design & Procedures: The current standard of care for CI patients includes a pre-op evaluation of the vestibular system. For this study, the investigators will compare subjects' routine pre-op test results to two additional post-op assessments performed for study purposes: one in the short term (~3 months post-op) and one in the long-term (~1 year post-op).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Cochlear Implant group - Vestibular testing | Active Comparator | Adult patients who have been implanted with a Med-El Cochlear implant device within the last 3 months who completed pre-op vestibular testing as standard of care. These subjects will undergo a series of post-op vestibular testing, at the 3 month and 12 month follow up visits |
|
| Control Group - existing historical vestibular data | No Intervention | This group will consist of existing historical vestibular testing data only. No subjects will be enrolled on this arm. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Vestibular testing | Other | Patients who have received a cochlear implant within 90 days, and had vestibular testing pre-operatively, will undergo post-op vestibular testing |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in Vestibular function in Cochlear Implant Patients | Vestibular system function in CI patients will be evaluated pre-surgically and twice post-surgically, at 3 months and again at 1 year post-surgery | Pre-Operatively, and then 3 months and 12 months post-operatively |
| Change in Quality of Life by questionnaire | Self-reported quality of life questionnaire (DHI) will be collected 3 months and 12 months post-operatively. | 3 months and 12 months post-operatively |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Erin Piker, AuD, PhD, | Duke University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Duke University Medical Center | Durham | North Carolina | 27705 | United States |
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