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Clinical Studies
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A Comparison of Acoustic and Electric Reflex Thresholds (ESRT)
Scottsdale/Phoenix, Ariz.,
Rochester, Minn.
The purpose of this study is to analyze immittance patterns, both acoustically and electrically, for patients with either cochlear implantation or auditory brainstem implantation.
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A Pivotal, Prospective, Multi-centre, Randomize Control, Blinded Study Evaluating the
Efficacy of a Dexamethasone Eluting Slim Modiolar Electrode (CI632D) in the Reduction
of Fibrosis as Compared to a Standard Slim Modiolar Electrode (CI632) in a Newly
Implanted Adult Population with Bilateral, Post-Linguistic, Moderate to Profound
Sensorineural Hearing Loss (CI-DEX)
Rochester, Minn.
The purpose of this study is show the effectiveness of a dexamethasone eluting electrode in an adult population with post-lingual, bilateral, moderate to profound sensorineural hearing loss in the reduction of fibrosis (as measured by impedance) when compared to a conventional, non-dexamethasone eluting electrode and in the improvement of speech recognition from preoperative baseline.
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Clinical Utility of Residual Hearing in the Cochlear Implant Ear
Rochester, Minn.
The primary objective of this study is to determine the hearing preservation advantage, defined as the increased chance of preservation of residual hearing (i.e., low frequency pure tone average ≤ 80 dB HL), of ECochG-guided CI electrode insertions in EAS candidates.
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Electrophysiological Measurements in Cochlear Implant Patients
Rochester, Minn.
The purpose of this study is to perform electrophysiological (inner ear) measurements to assess hearing function in cochlear implant patients.
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Impedance Monitoring in Cochlear Implants
Rochester, Minn.
The purpose of this study is to determine changes in cochlear implant electrode impedances as a function over a period of time.
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Intra- and Post-operative Measures of Auditory Function
Rochester, Minn.
The purpose of this study is to determine if electrocochleography (ECochG) measurements performed during cochlear implant surgery can be used to monitor cochlear structures and minimize electrode insertion trauma.
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Remote Objective Monitoring: Neural Response and Cochlear Implant Electrode Impedance Measurements
Rochester, Minn.
Hypothesis: Cochlear implant and Auditory Brainstem Implant outcomes continue to improve secondary to improved device design, surgical approach, and advanced programming.
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