bilateral sensorineural hearing loss sensorineural hearing loss
Conditions
Interventions
E01.370.520.510.500, E01.370.520.596.500, E04.510.500
Intraoperative Neurophysiological Monitoring
Sponsors
Yoshida Tadao
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) Patients 18 years of age or older who meet the criteria for cochlear implantation or electric acoustic stimulation (2) Have residual hearing loss of 70 dB or less at least one frequency in the low frequency range (3) Patients who can understand the study and give written consent.
Exclusion criteria
Exclusion criteria: (1) Adults who lack sufficient judgment (2) Patients suffering from other psychiatric disorders (3) Patients who are judged by the principal investigator or subinvestigator to be inappropriate to participate in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Correlation between EcochG sweep (intraoperative, 3 months later) and postoperative (3 months later) pure tone hearing levels | — |
Secondary
| Measure | Time frame |
|---|---|
| Correlation between EcochG sweep (1, 6 months later) and postoperative (1,6 months later) pure tone hearing levels, Correlation between the number of drops above Amplitude 4 dB of intraoperative EcochG monitoring and pure tone hearing level at 3 months postoperatively, correlation between the maximum amplitude of intraoperative EcochG monitoring and electrode insertion length (correlation with estimation by OTOPLAN), change in DHI score before and after surgery, and change in cochlear vestibular symptoms (tinnitus, change in presence/absence of cochlear vestibular symptoms (tinnitus, vertigo, etc.) before and after surgery | — |
Contacts
Public ContactTadao Yoshida
Nagoya university school of medicine (Nagoya university hospital)
Outcome results
None listed