Journal of Otology & RhinologyISSN: 2324-8785

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Research Article, J Otol Rhinol Vol: 4 Issue: 2

Mapping of Paediatric Cochlear Implant Recipients using EABR as a Tool

Ruchika Mittal1*, SS Panwar2, Satish Nair3, VR Sinha4, AV Ramesh4, Ajith Nilkanthan4 and Poonam Raj3
1Chief Audiologist, Army Hospital (R&R), Delhi, India
2AMC Centre and School, Lucknow, India
3Classified Specialist ENT, Associate professor, Army Hospital (R&R), Delhi, India
4Senior Advisor (ENT), Army Hospital (R&R), Delhi, India
Corresponding author : Dr. Ruchika Mittal
Chief Audiologist, Army Hospital (R & R), Delhi Cantt-110010, India
Received: June 14, 2014 Accepted: October 15, 2014 Published: April 03, 2014
Citation: Mittal R, Panwar SS, Nair S, Sinha VR, Ramesh AV, et al. (2015) Mapping of Paediatric Cochlear Implant Recipients using EABR as a Tool. J Otol Rhinol 4:2. doi:10.4172/2324-8785.1000213


Mapping of Paediatric Cochlear Implant Recipients using EABR as a Tool

Objective: With expanding cochlear implant candidacy criteria young children, children with additional co-morbidities and abnormal cochlea are being implanted. In many of these cases, the child’s behavioural or cognitive limitations may make doing the task of behavioural mapping difficult or impossible in paediatric cochlear implant recipients (CIR). Therefore, the present study was aimed to determine whether behavioural thresholds could be predicted from objective measurements of electrical auditory brainstem responses (EABR).

Methods: 75 paediatric CIR using Nucleus 24 R (ST) implant and operated and visiting the cochlear implant centre of a tertiary care hospital in New Delhi, India were prospectively enrolled in the study. The correlation between post-operative t- EABR with behaviourally obtained T and C levels was studied for CIR in the age range of 5-9 years.

Statistical Analysis: The significance of correlation was calculated using Karl Pearson’s correlation.

Results: Mean age of CIR was 9 ± 1.6 years, with M:F :: 38:37. Out of the 75 recipients one had mondini deformity and two subjects had auditory neuropathy spectrum disorder as per their medical records. The group correlation coefficient was found to be r=0.989 at p<0.0001 for the ‘T’ level and r=0.885 at p<0.0001 for ‘C’ level versus t-EABR (threshold EABR).

Conclusion: t-EABR was found to be more correlated with T levels than with C levels and it was always between T and C levels.

Keywords: Paediatric cochlear implant; EABR tool

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