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To study the remaining hearing capability of children after surgery to insert a hearing device in the ear.

Residual hearing following cochlear implantation: An observational study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2020/04/024686
Enrollment
49
Registered
2020-04-16
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: H903- Sensorineural hearing loss, bilateral

Interventions

None listed

Sponsors

Jipmer Pondicherry
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: All children who have undergone cochlear implantation at least 6 months before the day of assessment.

Exclusion criteria

Exclusion criteria: 1. Cochlear implantation done for anatomically abnormal cochlea 2. Children who have undergone a revision cochlear implant in the same ear. 3. Children unable to understand commands for pure tone audiometry.

Design outcomes

Primary

MeasureTime frame
Residual hearing preservation using the Skarzynski formula.Timepoint: June 2020—

Secondary

MeasureTime frame
To determine the optimum length of electrode array needed to provide electrical stimulation without damage to the residual hearing.Timepoint: June 2020—

Countries

India

Contacts

Public ContactDr Arun Alexander

Department of E.N.T.

arun.a@jipmer.edu.in9443021595

Outcome results

None listed

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