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

Not yet recruiting

• Conditions: Sensorineural hearing loss, bilateral,

• Registration Number: CTRI/2020/04/024686
• Lead Sponsor: Jipmer Pondicherry

Brief Summary

1. Title: Residual hearing following cochlear implantation: An observational study

2. Research hypothesis: a. Cochlear implantation causes damage to the residual hearing

b. There is a negative correlation between depth of insertion of a cochlear implant and residual hearing.

3. Primary objective: To evaluate residual hearing after cochlear implantation.

4. Secondary objective: To correlate depth of insertion of electrode array and residual hearing.

Detailed Description

Not available

Study Timeline

• Study Start: 2020-04-20
• Last Update Posted: 2020-09-04

Recruitment & Eligibility

• Status: Not Yet Recruiting
• Sex: All
• Target Recruitment: 49

Inclusion Criteria

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

Exclusion Criteria

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

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Residual hearing preservation using the Skarzynski formula.	June 2020

Secondary Outcome Measures

Name	Time	Method
To determine the optimum length of electrode array needed to provide electrical stimulation without damage to the residual hearing.	June 2020

Trial Locations

Locations (1)

Ent Opd Jipmer; 🇮🇳 Pondicherry, PONDICHERRY, India

Ent Opd Jipmer

🇮🇳Pondicherry, PONDICHERRY, India

Dr Stuti Chowdhary

Principal investigator

7447661928

stuti.9894@gmail.com