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Performing Intracochlear Electrocochleography During Cochlear Implantation
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Electrocochleography: New Uses for an Old Test and Normative Values
John A Ferraro1, Paul R Kileny2, Signe S Grasel3
1Hearing and Speech Department, University of Kansas Medical Center, Kansas City.
American Journal of Audiology
|April 10, 2020
Summary
Electrocochleography (ECochG) shows promise in diagnosing and predicting Ménière
Area of Science:
- Neuroscience
- Audiology
- Otolaryngology
Background:
- Electrocochleography (ECochG) is a neurodiagnostic tool with a long clinical history.
- Its applications are expanding beyond traditional uses.
- Standardization of ECochG protocols remains a challenge.
Purpose of the Study:
- To explore novel clinical applications of ECochG.
- To investigate ECochG's utility in predicting Ménière's disease (MD).
- To demonstrate ECochG's role in diagnosing and monitoring superior semicircular canal dehiscence (SSCD).
Main Methods:
- ECochG recordings from asymptomatic individuals with a genetic predisposition to MD.
- Case studies detailing ECochG use in diagnosing and surgically monitoring SSCD.
- Establishment of normative ECochG data from 100 normal-hearing subjects using noninvasive tympanic membrane recordings.
Main Results:
- ECochG may predict the onset of MD in genetically predisposed individuals.
- ECochG is effective in diagnosing SSCD and monitoring surgical repair.
- Normative data for key ECochG parameters were established.
Conclusions:
- ECochG offers valuable applications beyond MD diagnosis, including prediction.
- ECochG aids in the diagnosis and surgical management of SSCD.
- Established normative data can improve ECochG standardization and interpretation.
