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The effect of ECochG on residual hearing protection in cochlear implantation and the prediction of postoperative efficacy

The effect of ECochG on residual hearing protection in cochlear implantation and the prediction of postoperative efficacy

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500101953
Enrollment
Unknown
Registered
2025-05-06
Start date
2024-10-23
Completion date
Unknown
Last updated
2025-05-12

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

Conditions

Sensorineural Hearing Loss, SNHL

Interventions

The cochlear implantation group:NA

Sponsors

Sun Yat-sen Memorial Hospital, Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Unilateral cochlear implantation surgery; 2. No malformations or abnormalities in the middle ear, cochlea, or auditory nerve; 3. Uneventful cochlear implantation with all electrodes fully inserted. 4. Ability to cooperate with pre- and postoperative hearing and speech discrimination assessments, with normal intellectual capacity.

Exclusion criteria

Exclusion criteria: 1. Other neurological dysfunction such as cerebral palsy, intellectual abnormalities, etc.; 2. Malformations or abnormalities in the middle ear, inner ear, or auditory nerve; 3. Incomplete electrode insertion or inability to complete intraoperative ART testing; 4. Parental or subject non-consent to participate in the study.

Design outcomes

Primary

MeasureTime frame
Electrocochleography;cochlear microphonics;

Secondary

MeasureTime frame
Speech Discrimination;Pure-Tone Audiometry;

Countries

China

Contacts

Public ContactWang Yajing

Sun Yat-sen Memorial Hospital, Sun Yat-sen University

wangyj95@mail.sysu.edu.cn+86 159 2038 3491

Outcome results

None listed

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