H90.4
Conditions
Interventions
Group 1: The study population consists of 63 single-sided deaf patients.
The following parameters are collected before and after CI surgery over a period of 5 years:
- Visual acuity
- Cognitive Funct
Sponsors
HNO-Uniklinik Freiburg
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Hearing ability of the poorer ear: profound hearing loss up to deafness; monosyllable understanding in the Freiburg monosyllable test at 65 dB of less than 50% with a hearing aid; hearing ability of the better ear: air conduction hearing threshold up to and including 4 kHz = 30 dB HL; difference between the worse and better ear of = 30 dB; CI indication
Exclusion criteria
Exclusion criteria: Age 65 years; Understanding of the German language at least at B1 level; left-handed; relevant neurological or psychiatric concomitant disease; relevant ophthalmologic diseases; circumstances and diseases which are a contraindication for MRI or which indicate insufficient compliance with the fMRI examination; circumstances and diseases that indicate or are likely to indicate inadequate compliance with the PET examination; Pregnancy, breastfeeding, current desire to have children; persons unable to give consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| How does central nervous activity in the auditory pathway changes when SSD patients are fitted with a CI using PET/CT 6 months and 5 years after CI fitting? | — |
Secondary
| Measure | Time frame |
|---|---|
| (I) How does audiological performance change when fitting SSD patients with a CI? (II) How does visual perception change when SSD patients are fitted with a CI? (III) How does somatosensory perception change when SSD patients are fitted with a CI? (IV) How does cognitive ability change when SSD patients are fitted with a CI? (V) How does central nervous processing auditory, visual, and somatosensory stimuli differ between normal hearing and SSD patients? | — |
Countries
Germany
Contacts
Public ContactIva Speck
HNO-Uniklinik Freiburg
Outcome results
None listed