Asymmetric hearing loss and bilateral implanted patients - follow- up longterm study regarding speech perception, assessment of auditory abilities and psychological comorbities following cochlear implant

Asymmetric hearing loss and bilateral implanted patients - follow- up longterm study regarding speech perception, assessment of auditory abilities and psychological comorbities following cochlear implant - AHL vs Bilat

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00016542

Enrollment

Registered

2019-11-04

Start date

2019-08-01

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

tinnitus, depression, anxiety, social burden in daily life H90.0

Interventions

Group 1: patients with asymmetric hearing loss or bilateral CI indication undergo hearing rehabilitation via cochlear implant. Asymmetric hearing loss (group 1) is defined as deafness on one ear and s

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Asymmetric hearing loss, bilateral deaf and bilateral implanted with CI

Exclusion criteria

Exclusion criteria: All other CI indication groups

Design outcomes

Primary

Measure	Time frame
The aim of this study is to compare speech perception, tinnitus burden and quality of life preoperatively and two years following CI surgery in AHL and bilateral implanted patients.	—

Secondary

Measure	Time frame
anxiety, depressiveness, subjective auditory assessment	—

Countries

Germany

Contacts

Public ContactManuel Christoph Ketterer

Klinik für Hals- Nasen- Ohrenheilkunde

manuel.christoph.ketterer@uniklinik-freiburg.de0049076127041010

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026