Opto-electrical Cochlear Implants

Launched by NORTHWESTERN UNIVERSITY · Oct 26, 2021

Keywords

ClinConnect Summary

The patient is admitted to one of the participating clinical centers because of a brain tumor, which requires surgery to be removed. As discussed in detail with the treating surgeon, the tumor is large, and an approach will be used that accesses the tumor from the side through the temporal bone. This approach passes by the balance and hearing organ, and the partial or complete removal of the organ responsible for balance and hearing on this side is necessary. Participation in the study will extend the time of surgery by 30 minutes. There is no special preparation and no follow-up required f...

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• Criterion for inclusion of a patient is the requirement of the translabyrinthine approach for tumor removal. The surgical approach is determined by the tumor size, the tumor location and the remaining hearing of the patient. Criteria for a translabyrinthine approach are:
• • 1. the tumor grows in the pontine angle and the facial nerve is at risk for damage during the surgery because the tumor is already large and in close proximity of the facial nerve AND
• • 2. the tumor is larger than 2.5 cm AND
• • 3. Pure tone hearing thresholds are elevated by at least 50 dB AND
• • 4. Speech discrimination scores are 50% or less
• Exclusion Criteria:
• • adults unable to consent.
• • individuals who are not yet adults (infants, children, teenagers).
• • pregnant women.
• • prisoners.
• • vulnerable populations