Mr. Pachaiappan

Associate Professor

MASLP

CRR No: A59687

Associate Professor

About

Mr. Pachaiappan with an experience of 6+ years in the field Audiology is an Associate Professor who is specialized in Electrophysiological tests, Implant audiology, Telehealth audiology, Hearing Conservation Program, New born screening, Community out-reach programs, Hearing aid fitting and programming, preoperative and post-operative counselling and also specialized in Cochlear implants and Auditory Brainstem implants switch ON and programming. He is also involved in organizing several hearing Camps at various places across Tamil Nadu which is organized by MERF-ISH.

About

Work Experience

2025

Associate Professor – MERF Institute of Speech and Hearing (P) Ltd, Chennai
2025 – Present

● Present

2019

Assistant Professor & Clinical Supervisor – MERF Institute of Speech and Hearing (P) Ltd, Chennai
2019 – 2025

2017

Lecturer / Clinical Supervisor – MERF Institute of Speech and Hearing (P) Ltd, Chennai
2017 – 2019

2011

Audiologist – IGMC & RI (Indira Gandhi Medical College and Research Institute), Puducherry
2011 – 2012

2009

Audiologist – MGMC & RI (Mahatma Gandhi Medical College and Research Institute), Puducherry
2009 – 2011

Achievements / Research Papers Presented

19th National Conference of the Cochlear Implant Group of India – CIGICON

2021

Audiological benefits and performance improvements of ADHER in patients with unilateral hearing loss

4th TASLPACON and ISAM

2023

Absorbance effect of wideband tympanometry in cochlear implant children – A comparative study
Review of reading and writing skills of Indian cochlear implantees and comparison with Western population
Hearing and mitochondrial disease: Single case study
Comparison of audiometric screening criteria for the identification of noise-induced hearing loss in adolescents
Audiological findings and aided performance in individuals with auditory neuropathy spectrum disorder 3rd Prize

20th National Conference of the Cochlear Implant Group of India – CIGICON

2023

Use of speech rate and intelligibility as a prognostic indicator in CI individuals: A preliminary study 2nd Prize
Vestibular loss in children affected by common cavity malformation and operated with cochlear implants
Vestibular symptoms and performance of cochlear implanted children

Ni-VEMP Conference

2023

Vestibular symptom and performance of cochlear implanted children (April 28–29, 2023)
Vestibular and equilibrium findings in individuals with peripheral vestibular dysfunction (April 28–29, 2023)
Vestibular loss in children affected by common cavity malformation and operated with cochlear implants (April 28–29, 2023)

FlaSH Series VII – Clinical Audiology in a Nutshell

2023

Effectiveness of sound therapy in individuals with tinnitus and hyperacusis (November 27, 2023)

Indian Speech and Hearing Association Conference (ISHA-CON) 2025

2024

Comparison of coarticulation perception in individuals with hearing impairment and cochlear implants (January 19–21, 2024)
Content analysis of CI care and maintenance (January 19–21, 2024)
Long term impedance measure (January 19–21, 2024)
Relationship between listening effort and real life outcomes in school-going children with bimodal and bilateral implants (January 19–21, 2024)

Samveed Conference

2024

A comparison of response metrics in traditional and amplitude modulated cervical VEMPs

21st National Conference of the Cochlear Implant Group of India

2024

Parental knowledge and understanding of care and maintenance of cochlear implant devices in hearing-impaired population (August 29 – September 1, 2024)
Conversation success in one-to-one and group conversations: A group concept mapping study of adults with hearing loss and cochlear implants (August 29 – September 1, 2024)

Diagnostic Audiology – Behavioral Tests

Diagnostic Audiology – Physiological Tests

Community oriented professional practice

Advancements in management of hearing impairment

Implantable Hearing devices

Audiology in practice

Aural Rehabilitation

Genetics of Hearing and Pediatric Audiology

Speech perception & its disorders

Neurophysiology of Hearing

Electrophysiological Assessment

Workshop on Fibro Optic Endoscopic Evaluation of Swallowing; Sri Ramachandra College, Chennai, 2017

1st Fitting Workshop on Fitting Cochlear Implant: From Science to Practice, 2019

51st ISHACON, Bangalore, 2019

Voice Update at SRMC, 2019

2nd Fitting Workshop on Fitting Cochlear Implant: From Science to Practice, 2020

Online CRE Program on Recent Trends in Hearing Restoration, 2020

Hearing Online Round Table Discussion titled "Audiological Services during COVID-19", 2020

19th National Conference of the Cochlear Implant Group of India – CIGICON, 2021

20th National Conference of the Cochlear Implant Group of India – CIGICON, 2022

4th TASLPACON and ISAM, 2023

3rd Fitting & Objective Measures in Cochlear Implant, 2023

20th National Conference of the Cochlear Implant Group of India, 2023

55th ISHACON, Kolkata, 2024

Clinical features and hearing outcomes of sudden sensorineural hearing loss in diabetic patients

Development of Eustachian Tube Dysfunction Questionnaire – Child Edition

Parental knowledge and understanding of care and maintenance of cochlear implant device in hearing impaired population

The audiological services and recommendations during the COVID-19 pandemic: A systematic review

Practices in programming cochlear implant by the audiologist in India

Monitoring the resonance property of the middle ear with wideband tympanometry in cochlear implants

Documentation of spatial hearing abilities in SSD using SHHI – Tamil

Hearing loss: A sequela of prematurity – case study International Journal of Scientific and Research Publications, 2019 | International
Correlation between EABR and CAEP in subjects with Auditory Brainstem Implants International Journal of Scientific and Research Publications, 2019 | International
Profiling Long-term outcomes in children with auditory brainstem implant International Journal of Scientific and Research Publications, 2019 | International
Analysis of phonology in Tamil speaking cochlear implantees Worldwide Journal of Multidisciplinary Research and Development, 2019 | National
Treating functional Aphonia – A Case study International Journal of Health Sciences and Research, 2020 | International
Identifying patterns of disfluencies in school going Tamil and English medium children International Journal of Health Sciences and Research, 2020 | International
Spatial hearing handicap index – Development and validation International Journal of Creative Research Thoughts, 2020 | International
The advantages of having tone burst auditory brainstem response in finding hearing in patients with cerebellopontine angle tumor – A Case study International Journal of Research and Review, 2020 | International
Outcomes in children with cochlear implants: parental perspectives in Indian context International Journal of Research and Analytical Reviews (IJRAR), 2020 | International
Benefit of CI through the measures of phonological working memory International Journal of Research and Analytical Research, 2020 | International
Threshold of octave masking as a tool to explain cochlear non-linearity Audiovestibular Research, 2021 | International
Masking level difference: Performance of school children aged 6–12 years in Indian population International Journal of Research and Analytical Reviews (IJRAR), 2021 | International
A Case study of audiological test battery in a pediatric patient with Klipper Feil Syndrome International Journal of Health Sciences and Research, 2021 | International
Congenital rubella syndrome – A case study from an audiologist perspective for the diagnostic and management of hearing loss International Journal of Research and Analytical Research, 2021 | International
Translation and cultural adaptation of Eustachian Tube Dysfunction Questionnaire (ETDQ) International Journal of Research and Analytical Reviews, 2022 | International
Bionic hearing in auditory neuropathy spectrum disorder: A systematic review Indian Journal of Otology, 2022 | National
Development of Eustachian tube dysfunction questionnaire – Child edition (ETDQ-CE) Pachaiappan, C., Rexton, V., Ranjith, R., Varshini, Prabhavathi, & Cherukuri, R. S.
Otolaryngology Open Access Journal, 2023 | International
Audiologist's perception on JCIH 2019 positional statement Pachaiappan, C., Rexton, V., Cherukuri, R., Ranjith, R., & Rathinamani.
International Journal of Research and Analytical Reviews (IJRAR), 2023 | International
Applications of artificial intelligence in hearing aids and auditory implants: A short review Umashankar, A., Anusha, M. N., & Pachaiappan, C.
Journal of Hearing Science, 11(3), 2021 | International
Auditory implant with Goldenhar syndrome: A systematic review and narrative synthesis of case reports Umashankar, A., Suganthi, & Pachaiappan, C.
Indian Journal of Otology, 2021 | National
Understanding conversational success in hearing loss: A group mapping study Pachaiappan, C., Sri, C. R., Jahir, S., Rexton, V., Preethi, & Krithika.
Acta Scientific Otolaryngology, 7(7), 2025 | International
Audiological findings and aided performance in individuals with auditory neuropathy spectrum disorder (ANSD) – A retrospective study Pachaiappan, C., Ranjith, R., Sri, C. R., Shivaranjini, & Rexton, V. L.
Otolaryngology Open Access Journal, 2024 | International
Relationship between listening effort and real life outcomes in school going children with bimodal and bilateral cochlear implantation Pachaiappan, C., Ganesh, S., Rexton, V., Sri, R., & Priya, L.
International Journal of Speech and Audiology, 6, 2025 | International
Incidence and prevalence of central auditory processing disorder in school going children Pachaiappan, C., Sethuraman, R., Ranjith, R., Sri, C. R., Rexton, V., Shree, S. S., & Ganesh, S.
International Journal of Health Sciences and Research, 14(10) | International