About
Prof. Ranjith Rajeswaran, the Principal / Managing Director of MERF-Institute of Speech and Hearing; Chief Audiologist at Madras ENT Research Foundation and the Founder of Hearing for Life Foundation, a charitable trust working on Prevention, Restoration and Rehabilitation for persons with Communication Disorders has an experience of 25 years in the field of Audiology and Speech – Language Pathology. He is specialized in the field of Hearing Implants. He is one of the founder members of Cochlear Implant Group of India and HEARRING (Comprehensive Hearing Implant Centres) for research and development. Expert Advisory Committee Member: Rehabilitation Council of India. Executive Committee Member: Anna University. Member of Board of studies: The Tamil Nadu Dr.MGR Medical University. President: Indian Speech and Hearing Association – Tamil Nadu. Vice President: Cochlear Implant Group of India. Global Ambassador: International Smiling Crocodile. Field of Interest: Auditory Neuroscience. Awards: Best Teacher Award by the “The Tamil Nadu Dr.MGR Medical University”. “Outstanding Alumni” Award for Research & Academics by Sri Ramachandra University. Establishment: Established Hearing Restoration centres in SAAARC Countries & Africa. Guided more than 63 Thesis. Research Grants: Department of Science and Technology., NHHID & HEARRING. Research publication: More than 25 papers in International and National Journals. Invited Speaker: More than 30 Major International Conferences & Seminars. First in India to introduce Auditory Steady State Response (Objective Test for frequency specific Hearing Sensitivity) in 2002. First in India to perform Electrically Evoked Auditory Brainstem Implant for Cochlear Implants. First Audiologist in India and South East Asia to perform Auditory Brainstem Implant to restore hearing in children with absent inner ear and auditory nerve. Introduced the first formal Training for Auditory Habilitationist in India. Community Service: Involved in Community services to create awareness on Hearing Restoration. Established network of rehabilitation centres across the state of Tamil Nadu to facilitate rehabilitation after hearing restoration for underprivileged children. The services are extended in the name of PROJECT CHITHRA.
Countries visited for training:
  1. Underwent training in Cochlear Implants at Bionic Ear Institute, Melbourne, Australia in March 2000.
  2. Underwent training in current technologies in Hearing Aids at Widex Academy, Copenhagen, Denmark in June 2002.
  3. Underwent training in ASSR and Evoked Potentials at Intelligent Hearing Systems, University of Miami, USA in September 2003
  4. Underwent training in Middle Ear Implants in Ospedale Civil, Rovoretto, Italy in February 2007.
  5. Underwent training in Implant electrophysiology at University of Wurzburg, Germany in February 2007.
  6. Underwent training in Recent Implant Technologies at Med-El electronics, Innsbrook, Austria in February 2007.
  7. Underwent Training in “Advanced Troubleshooting and Problem solving in Cochlear Implants’ at Bionic Ear Institute, Melbourne, Australia in July 2007.
  8. Underwent training in “Advanced Bionics Hi-Res” workshop at Advanced Bionics Europe, Frankfurt, Germany in April 2008.
  9. Underwent Training in “Auditory Brainstem Implantation” at The Royal Victorian Eye and Ear Hospital” Melbourne in June 2008.
  10. Underwent training and passed in distinction on “Advanced Course in Implantable Hearing Devices” Med-El Academy, Innsbruck, Austria in October 2010.
Membership:
  • Life member of “Indian Speech and Hearing Association”
  • Member of “International Society of Audiology”
  • One of the founder member of “Cochlear Implant Group of India”
  • One of the founder member of “HEARRING” Group.
Honors
  • Expert Committee Member- Rehabilitation Council of India
  • Member of Board of Studies – The Tamil Nadu Dr MGR Medical Univrsity.
  • Member of the Apex Advisory Committee – Rehabilitation Council of India.
  • Member of Academic Council – Jerusalem College of Engineering.
Research Grants:
  • Department of Science and Technology, under National Hub for Health care Instrumentation and Development for Design and Development of Web/Mobile based Audiometer.
  • HEARRING for ABI in Non NF2 –Long Term Outcomes and Device Safety
  • Department of Science and Technology for Visual Evoked Potentials in children with Hearing Impairment and Cochlear Implant.
Research Thesis Completed:
   The entire listed thesis are conceived and guided by Prof. R. Ranjith, for students as a part of Fulfillment of Masters in Audiology and Speech Language Pathology.
  1. Temporal processing in individuals using cochlear implant.
  2. Co-relation between behavioral PTA Thresholds and CAEP thresholds.
  3. Amplitude changes in electrically evoked compound action potential (ECAP) at different cochlear regions.
  4. Clinical applications of aided cortical auditory evoked potentials in pediatric Auditory Brainstem Implanters – a preliminary study.
  5. Refractory properties of auditory never Fiber at different regions in the cochlea
  6. Standardization of the screening tool for identifying children with deviant voice characteristics in Indian population.
  7. Changes in response characteristics of cortical auditory evoked potentials in bilateral cochlear Implanters.
  8. Predicting Electrode placement using cortical auditory evoked potentials in children with auditory brainstem implant
  9. Electrically evoked auditory brainstem response in complete cochlear coverage.
  10. Music perception using IOS based Hearing aids
  11. Effect of auditory deprivation on auditory visual integration in cochlear implants users.
  12. Comparison of speech perception in noise with different noise reduction programs in cochlear implant users
  13. Satisfaction with hearing aid-A self-reporting questionnaire in Tamil
  14. Relationship between Intra-operative & post-Operative & ABR in subjects with auditory brainstem implant
  15. Effect Of Rate On Electrically Evoked Auditory Brainstem Response In Different Cochlear Regions
  16. Outcomes Of Children With Auditory Brain Stem Implantation-An Indian Perspective
  17. Monitoring Maturation Of Auditory Cortex In Children With Cochlear Implantation Under Tamilnadu Chief Minister’s Comprehensive Health Insurance Scheme
  18. Tamilnadu Chief Minister’s Comprehensive Health Insurance Scheme-First Outcome Audit On Cochlear Implantation
  19. A comparative study between early and conventional switch-on dates for subjects with cochlear – a plot study
  20. Profiling outcomes in subject with single sided deafness (SSD) using cochlear implant
  21. Visual evoked potential – A Normative study
  22. Investigating Differential limen for frequency and intensity in normal hearing subject.
  23. Measuring cross modal plasticity Using Visual evoked potentials(VEP) in children with cochlear implant
  24. Perception Of just noticeable difference in Children with cochlear Implant.
  25. Visual evoked potentials in Congenitally Deaf Children
  26. Correlation between ABR and CAEP In Auditory Brainstem Implants
  27. Long-term outcomes of CI in children with inner ear malformations and cochlear nerve anomalies
  28. Psychophysical tuning curves in CI children
  29. Profiling outcomes in clients with bimodal hearing
  30. Dichotic word testing in Tamil speaking children
  31. P300 in children with CI
  32. Correlation between EABR and communication outcomes in children with ABI
  33. Binaural summation in B/ L CI using objective measures
  34. Profiling outcomes in children with B/l CI
  35. Development of associative and scene prime target stimulus material for visual confrontation naming in Tamil
  36. Role of Fine Structure Processing in speech perception in CI
  37. Profiling vestibular function in children with cochlear anomalies
  38. Outcomes in children with CI: Parental perspectives in Indian context
  39. Investigating the VOR gain function in normal hearing subjects
  40. Second formant transition of stop consonant vowel production in children with normal hearing and children using CI
  41. Profile of Physiological And Psychophysical Measures In Single Sided Deafness With Cochlear Implant
  42. Development of Confrontation Naming Task in Tamil for Children between 3 To 8 Years of Age.
  43. Intra Operative Monitoring of Cochlear Function Using Advance Art- A Preliminary Study On Feasibility And Possibility.
  44. A Preliminary Study On Frequency Resolution Using Psychophysical Tuning Curves And Differential Limen For Frequency In Post Lingual Cochlear Implant Users.
  45. Factors Influencing Long Term Outcomes of Cochlear Implant under State (TNCMCHIS) and Self-Funded Scheme.
  46. Subjective Assessment Of Vestibular Function In Children
  47. Auditory and Visual Working Memory in Children Using Cochlear Implants: A Preliminary Investigation.
  48. Auditory and Visual Working Memory in Children Using Cochlear Implants: A Preliminary Investigation.
  49. Subjective Assessment of Vestibular Function in Children with Cochlear Implant- A Preliminary Study.
  50. Pre and Post Comparison of Fine Structure DPOAE on Music Listening In Young Adults.
  51. Adaptation of Littlears Auditory Questionnaire in Tamil.
  52. Acoustic Analysis of Stop Consonant Vowel (CV) Production in Children Using Cochlear Implants and Normal Hearing Children.
  53. Test Retest Reliability of Absolute Amplitude in DPOAE.
  54. Barriers Faced By Audiologist In Practicing Auditory Habilitation Through Tele- rehabilitation
Research Projects- International Multicenter Research
  1. “ART Study of Hearring”- Auditory Nerve Response Telemetry.
  2. “Auditory Brainstem Implantation in Non NF2 cases”
  3. “FOX Study”- Fitting Outcome Experts- a study for automated fitting of the implants
  4. “Hi Res 90K”- Speech Perception and Hearing Quality .
  5. “AAST”- in Indian Languages.
  6. Timing Study” in Cochlear Implant Procedures.
  7. “ CP802”- Validation study in India.
Research Projects- Independent
  1. “Electrophysiological Evidences to stimulate the Apical Region in the Cochlea”
  2. “Comprehensive Language Processing Model”
  3. “Optimizing Electrical stimulation methods for Brainstem.
Papers Presented: National and International Conferences:
  1. “Development of new Spondee Word list in Tamil” at 29 th National convention of Indian Speech and Hearing Association, Coimbatore, February 1997.
  2. ”Development of new PB wordlist in Tamil” at 30 th National Convention of Indian Speech and Hearing association”, Puri in January 1998.
  3. ”Cochlear Implants- MERF Experience” at National Convention of Indian Speech and Hearing Association, Hyderabad in January 2000.
  4. ”Peadiatric Cochlear Implantation – MERF Experience” Workshop conducted by Clarke School for the Deaf and Institute Vordoven, The Netherlands , Chennai in March 2000
  5. “Cochlear Implant in Older Pre-linguals” at 1 st Cochlear Implant Group of India Conference at Mumbai in November 2003.
  6. ”Correlation between ECAP and T & C levels in Nucleus 24 Cochlear Implant Recipient” at 2 nd Cochlear Implant group of India Conference, in October 2004.
  7. ”Auditory Brainstem Implant – MERF Experience” at Indian Speech and Hearing Association National Conference, Indore in January 2005.
  8. “Trends in Audiology” at Workshop on Recent Tends and beyond cochlea at Madras ENT research Foundation, Chennai in 2006.
  9. ”Outcomes and challenges in Auditory Brainstem implant” at 5 th Cochlear Implant Group of India Conference, Pune in 2007.
  10. Poster Presentation on “Cochlear implantation in Corpuscollosal Agenesis” at 5 th Cochlear Implant Group of India Conference, Pune in 2007.
  11. ”Correlation between EAP and Behavioural T & C levels in Nucleus Freedom Cochlear Implantees – A preliminary study.” at 39 th Indian Speech and Hearing Association National Conference at Calicut in January 2007.
  12. “Oto Acoustic Emission –Principles and Application” at International Update on Electrophysiology and Implantation Audiology” conducted by Madras ENT Research Foundation and MERF- Institute of Speech and Hearing, Chennai in March 2007.
  13. “A Rare case of Auditory Dys-Synchrony” at Clinical Audiological Conference at Madras ENT research Foundation, Chennai in February 2007.
  14. “Electrically Evoked auditory Brainstem Implant” at International Update on Electrophysiology and Implantation Audiology” conducted by Madras ENT Research Foundation and MERF- Institute of Speech and Hearing, Chennai in March 2007.
  15. “Congenital Atresia- A Rare Dilemma” at Clinical Audiological Conference at Madras ENT Research Foundation, Chennai in September 2007.
  16. “Device Failures in Cochlear Implants” at Clinical Audiological Conference at Madras ENT research Foundation, Chennai in September 2007.
  17. “Outcomes in Auditory Brainstem Implants” at Cochlear Implant Group of India Conference, Pune in November 2007.
  18. ”Outcomes in Totally Implantable Hearing Device” at Cochlear Implant Group of India Conference, Bangalore, in November 2008.
  19. “Frequency Following Responses in different processing techniques in Cochlear Implants” at Cochlear Implant Group of India Conference, Bangalore, in November 2008.
  20. “ABI in NF2 and Non NF2” at Cochlear Implant Group of India National Conference, Hyderabad, in November 2009.
  21. ”Steps to measure ECAP in cochlea and nerve anomalies” at Cochlear Implant Group of India National Conference, Hyderabad, in November 2009.
  22. “Early steps in pediatric Auditory Brainstem Implantation-Indian Experience” at Cochlear Implant Group of India National Conference, Chandigarh, in Nov.2010
  23. “Electrophysiological evidences to stimulate the Apical region in the Cochlea” at Cochlear Implant Group of India National Conference, Chandigarh, in November 2010.
  24. Relationship between ECAP, ESRT with behavioral MAP in individuals with Cochlear implants; 16th Annual conference of cochlear to implant group of India, 29th November 2018 to 1st December 2018 at Deltin, Daman.
  25. Little ears Auditory Questionnaire in early and late Cochlear implantees, 16th Annual conference of cochlear to implant group of India, 29th November 2018 to 1st December 2018 at Deltin, Daman.
  26. Exploring the recovery properties of the auditory nerve fibres at different cochlear regions using ECAP, 51st ISHACON, 10th - 12th February 2019, conducted by Indian Speech & Hearing Association at NIMHANS, Bengaluru
  27. Refractory property of the auditory nerve in pre lingual cochlear implantee, 17 TH CIGICON, Annual conference of cochlear to implant group of India 11 th to 13 th October 2019, Mumbai.
  28. P300 in cochlear implantees, 17 TH CIGICON, Annual conference of cochlear to implant group of India 11 th to 13 th October 2019, Mumbai.
  29. Refractory Properties of Auditory nerve in the post lingual cochlear Implantees, CIGICON 2021
  30. Hearing & Mitochondriopathy – A single case report, AUDISHCON, 2021
  31. Optimization of frequency band table in adult using cochlear implant, CIGICON 2021 (virtual) – 12 – 14 November 2021.
  32. E-Poster The relationship between the tone and speech evoked ESRT Measures in both ipsilateral & Contra lateral ear, CIGICON 2021 (virtual)
Papers Presented in International Conferences:
  1. “First step in Pediatric Auditory Brainstem Implantation- Indian Experience” at Asia Pacific Symposium on Cochlear Implants and Related Sciences, Singapore in December 2009.
  2. “Hi Res 90K- Outcomes” at investigators conference, Amsterdam, the Netherlands in March 2010.
  3. “First Step in Pediatric ABI” at 11 th International Conference on Cochlear Implants, Stockholm in July 2010.
  4. “Early experiences in Pediatric Auditory Brainstem implants” at Implantes Cochleares y Ciencias Afines 2 nd Congreso Iberoamericano, Cartagena, Colombia in December 2010.
  5. “Electrophysiological Evidences to stimulate Apical Region” at Implantes Cochlear Ciencias Afines 2 nd Congreso Iberoamericano, Cartagena, Colombia in December 2010.
Invited Speaker:
  1. Seminar on “ Early Detection and Management Strategies for Hearing Impaired” organised by Srilankan Deaf Association, Colombo, Srilanka in June 2002.
  2. Workshop on “Auditory-Verbal Approach & Cochlear Implants for Multiple handicapp in the education of the Hearing Impaired”, Sponsored by The Clarke School for the Deaf, Chennai & Institute Voor Doven, The Netherlands, at Madras ENT Research Foundation, Chennai in March 2003.
  3. Workshop on “Management of children with Hearing Hearing Loss” organised by Little flower Convent for the Deaf, Chennai in 2003.
  4. Workshop on Cochlear Implantation organised by Thilak ENT Hospital, Trichy in Novenber 2003.
  5. Seminar on “Detection, Management and Empowerment of Hearing Handicap” conducted by Ajay School for the Hearing Habdicap, Chennai in April 2004.
  6. CME on ‘Cochlear Implantation’ at Christian Medical College, Vellore, February. 2004.
  7. CME on “Early diagnosis, Intrevention and Management Strategies for Hearing Loss” at NKP Salvee Institute of Medical Sciences, Nagpur in December 2007.
  8. CME on “Audiology for ENT Surgeons” at Calicut Medical College, Calicut in January 2008.
  9. Seminar on “ Hearing Processes and Hearing Prosthesis” at College of Allied Health Sciences, University of Manipal in January 2008.
  10. CRE on “Perspectives in Diagnosis of Auditory Disorders & Contemporary Advances in the Management of Laryngectomy” at AWH Special College, Calicut inMarch 2008.
  11. Workshop on “Med-El Implants and Hearing Challenges” at Med-El, India, Delhi in April 2008.
  12. Seminar in “Trends in Audiological Diagnosis and Management” organized by Hearing Aid Center, Coimbatore in 2009.
  13. Workshop on “ Recent Trends in Pediatric Audiology” organized by Samvaad institute of Speech and Hearing, Bangalore in September 2009.
  14. Seminar in “Hearing Aid technology and HearingSciences” organized by Phonak India, chennai in April 2009.
  15. Seminar “Audiology for ENT” organized by Dr.Mohan Kumaramangalam Medical College, Salem in December 2009.
  16. Pre-Conference Workshop on Cochlear Implants at CIGI CON 09, Hyderabad in November 2009.
  17. Workshop on “Audiological aspects in Cochlear and Brainstem Implants” organized by Sir Gangaram hospital, Delhi in October 2010.
  18. 1 st Pediatic Audiology Conference, organized by ISHA Kerala Branch, Allepy in November 2010.
  19. Implantes Cochleares y Ciencias Afines 2 nd Congreso Iberoamericano as a panelist in Round Table Discussion in “Auditory Brainstem Implants” at Cartagena, Colombia in December 2010.
  20. “Pre-Congress Audiology Workshop” organized by AOI, in January 2011.
  21. “Med-EL Symposium” in AOI National Conference, Chennai, January 2011.
  22. Workshop on “Diagnostic Procedures in Pediatric Audiology” organized by Ephatha Speech and Hearing Institute, Cochin, February 2011.
  23. Workshop on “Audiology for Otolaryngologist” organized by Institute of ORL, Madras Medical College, Chennai in February 2011.
  24. Workshop on Recent Trends in Management of Hearing Loss” organized by Somani Speech and hearing Centre and Association of the Pediatricians of India, Nagpur in March 2011.
  25. Seminar on “Cortical Evoked Potentials” organized by HAC, Hyderabad in April 2011.
  26. Workshop on “Recent Advances in Cochlear Implants” organized by Apollo Hospitals, Hyderabad in September 2011.
  27. Seminar on “Audiological Assessments in Hearing Fitting” organized by AOI, Hyderabad branch, Hyderabad in September 2011.
  28. Lecture on CAEP-Understanding the Principles?” at the 4 th KSB ISHA, Pala, Kerala in October 2011.
  29. Lecture on “Factors predicting outcomes in Cochlear Implants” in workshop organized by All India Institute of Speech and Hearing, Mysore in November 2011.
  30. Lecture on “Overview of Aoditory Brainstem Implant” in 1 st TAN-ISHA conference at Tiruchirapalli, Tamil Nadu in November 2011.
  31. Lecture on “Principles and Fundamentals in Auditory Diagnosis” at the first International Cochlear Implant Conference of the West Africa, Katsina, Nigeria in November 2011.
  32. Lecture on “Candidacy selection- Cochlear Implants” at the first International Cochlear Implant Conference of the West Africa, Katsina, Nigeria in November 2011.
  33. Lecture on “applications of CAEP in CI and ABI” in Hearing Implants meeting at Goa, in February 2012.
  34. Moderated a session on “Cross Fire – Implants” in 9 th National Convention of Cochlear Implant Group of India, at Lucknow, UP in November 2011.
  35. Moderated a session on “Programming CI” in 1 st International Debate on CI fitting at Antwerp, Belgium in October 2012.
  36. Lecture on “ Electrophysiological and other objective measures in CI” at 10 th National Convention of Cochlear Implant Group of India in Ahamadabad, November 2012.
  37. Lecture on “Application of CAEP in Hearing Implants” at 10 th National Convention of Cochlear Implant Group of India in Ahamadabad, November 2012.
Participation in International Conferences and Meetings:
  1. “9 th European Symposium on Pediatric Cochlear Implants” at Warsaw, Poland in May 2009.
  2. “Founder members meeting of the HEARRING Group” at Warsaw, Poland in May 2009.
  3. “Investigators meeting on Auditory Brainstem implants in NF2 and Non NF2 Cases” at Frankfurt, Germany in February 2010.
  4. “2 nd HEARRING Group Meeting” at Antwerp, Belgium in February 2010.
  5. “9 th European Investigators Conference” at Amsterdam, the Netherlands in March 2010
  6. “American Academy of Audiology” at San Diego, California, USA in April 2010.
  7. “ FOX study investigators meeting” at Antwerp, Belgium in march 2010.
  8. “International Symposium on Auditory Brainstem implants” at Uppsala, Sweeden in June 2010.
  9. “11 th International Conference on Cochlear Implants” in Stockholm, Sweden in July 2010.
  10. “3 rd HEARRING group Meeting” at St.Petersberg, Russia in September 2010.
  11. “1 st Russian Federation Congress on Implantable Hearing Devices” at St.petersberg in October 2010.
  12. “Cochleares y Ciencias Afines 2 nd Congreso Iberoamericano” at Cartagena, Colombia in December 2010.
  13. “American academy of Audiology” at Chicago, USA. In April 2011.
  14. “9 th European Symposium on Cochlear Implants” in Athens, Greece ,May 2011.
  15. “BELLS” – Research meeting at University of Cologne, Germany, September 2011.
  16. “4 th Hearring meeting” in London, UK in October 2011.
  17. “EUHA”- at Nuremberg, Germany in October 2011.
  18. “First Cochlear Implant Conference of the Western Africa” organized by the Federal Medical Center,Katsina, Nigeria in November 2011.
  19. “CTRL”- meeting at Sydney in December 2011.
  20. “American Acsdemy of Audiology” at Boston, USA in April 2012.
  21. “5 th Hearring meeting” in London, Canada in October 2012.
  22. “International Debate on Fitting Cochlear Implants” organized by Ear Group, Antwerpen, Belgium in October 2012.
  23. “EUHA” – at Frankfurt, Germany in October 2012.
PAPERS PUBLISHED
Under HEARRING Group:
  • Hearing Preservation Classification
  • Towards a consensus on a hearing preservation classification system
  • Patient management for cochlear implant recipients in audiology departments: A practice review
  • Electrically evoked compound action potentials are different depending on the site of cochlear stimulation
  • Hearing preservation cochlear implantation in children: The HEARRING Group consensus and practice guide
OTHER PUBLICATIONS:
  • Jayachandran, D., & Rajeswaran, R. (2023). Quality of sound in post-lingual cochlear implant users.
  • Chandarsekaran P, Rexton V, Ranjith R, Varshini P, Prabhavathi B, and Ramyasri Cherukuri; Development of Eustachian tube dysfunction questionnaire-child edition, Otolaryngology open access; 2023.
  • Aster Franz Miranda, Saranyaa G, Divya S, Ranjith R, Deepika J; The Role Of Audiologists And Speech Language Pathologists In The Assessment And Management Of Neonates: Neonatologists Perspective; International Journal of Research and Analytical Reviews (IJRAR),Vol.9, Issue 4, 839-844, October 2022
  • Deepika Jayachandran, Ranjith Rajeswaran, Saranyaa Gunalan; Quality of Sound in Post - Lingual Cochlear Implantees; International Journal of Science and Research (IJSR) Volume 11 Issue 11, November 2022
  • Rajeswaran, R., Tavora-Vieira, D., Mertens, G., Dillon, M., Narayan, S., Kameswaran, M., & Kurz, A. Audiological practice and COVID‐19: recommendations that audiological centers can use to maintain the safety and quality of service—expert opinion; European Archives of Oto-Rhino-Laryngology; 2021
  • Vijayakumar, K., Gunalan, S., & Rajeswaran, R; Development of Minimal Pair Test in Tamil (MPT-T); Journal of Clinical and Diagnostic Research., 15(9), MC01-MC04, 2021
  • Pachaiappan Chandrasekaran, Ranjith Rajeswaran, Amritha, Maryum Thabassum, Elakiya Elango; Outcomes in Children with Cochlear Implants: Parental Perspectives in Indian Context; International Journal of Research and Analytical Reviews; 2020
  • Armstrong, S., Gunalan, S., & Rajeswaran, R; Investigating The VOR Gain Function In Normal Hearing, Indian Journal Of Applied Research, 28-29, 2019
  • Ranjith R, Kameswaran, M; Auditory brainstem implantation (ABI) in children without neurofibromatosis type II (NF2): communication performance and safety after 24 months of use; Cochlear Implants International; 2019
  • Ranjith Rajeswaran, Yetisurya Sasikumar, Jennifer Ramesh, Pachaiappan Chandrasekaran, Mohan Kameswaran; Correlation between eABR and CAEP in children with Auditory Brainstem Implant; International Journal of Scientific and Research Publications; Volume 9, Issue 12; 2019
  • KR Rahul , Deepika Jayachandran , Ranjith Rajeswaran, Abishek Umashankar , Auditory and preverbal skill improvement between early and late cochlear implantees: evidence from little ear questionnaire; Journal of Clinical and Diagnostic Research, Volume 13, Issue 1, 2019
  • Deepika Jayachandran , Ranjith Rajeswaran, Abishek Umashankar & Rahul (2019), Adaptation of LITTLEARS auditory Questionnaire in Tamil, European Journal of Special Education Research, Volume 4, Issue 4; 2019
  • Ranjith Rajeswaran, Oviya Kalai, Deepika Jayachandran, Profiling Long-term Outcomes in children with Auditory Brainstem Implant, International Journal of Scientific and Research Publications. Volume 9, Issue 12; 2019
  • Selvaraj, A., Rajeswaran, R., & Jayachandran, D. Development of Dichotic Word Test in Tamil Speaking Children; Languages In India 13-24, 2018
  • Ranjith R, Kameswaran, M; Relationship between eABR and communication outcomes in children with auditory brainstem implant; Journal of Hearing Sciences; 2018
  • Gunesh Rajan  , Ranjith R, Kameswaran, M et al., Hearing preservation cochlear implantation in children: The HEARRING Group consensus and practice guide; 2017
  • Dayse Távora-Vieira , Ranjith R, Kameswaran, M et al., Towards a unified testing framework for single sided deafness studies – A Consensus paper; Audiology and Neurotology; 2017
  • Jeyaraman, J., Rebecca, C. G., Pokala, P., Ramamoorthy, R., Punniyaraj, P., Dhinakaran, P., ... Rajeswaran, R , & Kameswaran, M. (2017). Auditory, Speech, and Language Outcomes in Paediatric Auditory Brainstem Implant Users: an Indian Experience. Journal of the All India Institute of Speech & Hearing, 36.
  • Lorens, A., Skarzynski, H., Rivas, A., Rivas, J. A., Zimmermann, K., Rajeswaran, R; Parnes, L., ... & Pulibalathingal, S. (2016). Patient management for cochlear implant recipients in audiology departments: A practice review. Cochlear Implants International, 17(3), 123-128.
  • Van de Heyning, P., Adunka, O., Arauz, S. L., Atlas, M., Baumgartner, Rajeswaran, R, W. D., Brill, S., ... & Skarzynski, H. (2013). Standards of practice in the field of hearing implants.  Cochlear implants international, 14(sup2), S1-S5.
  • Skarzynski, H., Van de Heyning, P., Agrawal, S., Arauz, S. L., Atlas, M., Baumgartner, Rajeswaran, R; W., ... & Mertens, G. (2013). Towards a consensus on a hearing preservation classification system. Acta Oto-Laryngologica, 133(sup564), 3-13.
Projects Undertaken:
  1. Neonatal Hearing Screening Program in Corporation Maternity Hospitals.
  2. Nationwide Hearing Screening Program.
  3. National Networking of Rehabilitation Centers.
  4. Auditory Habilitation Certification in India.
  5. ABI Study in Non –NF2 cases
COCHLEAR IMPLANT EDUCATION PROGRAMMES (CIEP)
    Cochlear Implant Education programme is an ongoing activity initiated by Madras ENT Research Foundation to educate the people and professionals about the Cochlear implant and management strategies for the hearing impaired. A team of professional will travel to different parts of the country and conduct free seminars and free hearing screening, candidate selection for CI and counseling).
  1. Conducted CIEP in colloboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Madras ENT research Foundation , Chennai in 2002.
  2. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Pondicherry in 2003.
  3. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Nellore in 2003
  4. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Trichy in November 2003.
  5. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Salem in March 2004.
  6. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Thirunelveli in January 2004.
  7. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Madurai in 2004
  8. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Thirunelveli in January 2004.
  9. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Theni in February 2005.
  10. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Thirunelveli in December 2006.
  11. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Kodambakkam, Chennai in January 2007.
  12. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Salem in August 2007.
  13. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Vishakapattinam in April 2007.
  14. Conducted CIEP in collaboration with Med-El India (P) Ltd, at Pondicherry in December 2007.
  15. Conducted CIEP in collaboration with Pika Medicals, Bangalore, India and Cochlear Corporation, Australia at Thirunelveli in May 2008.
  16. Conducted CIEP in collaboration with Med-El India, Delhi at Madurai in March 2009.
  17. Conducted CIEP in collaboration with Med-El India, Delhi at Kanyakumari in June 2009.
  18. Conducted CIEP in collaboration with Med-El India, Delhi at Trichy in September 2010.
  19. Conducted CIEP in collaboration with Med-El India, Delhi at Madurai in September 2011.
COMMUNITY SERVICES / CAMPS
S.No DATE VENUE
2020
1 25/01/2020 CAMP- CSM Higher Secondary School, Pillaiyarpalayam, Kancheepuram
2 20/02/2020 CAMP - Commissioner Office
3 27/02/2020 CAMP - Commissioner’s Office
4 03/03/2020 CAMP – Vani Vidhyasharam Nursery and Primary SCHOOL, Neelankarai, Chennai.
5 03/03/2020 CAMP – Ashraya Therapy Centre, Moore Street, Parrys.
6 03/03/2020 CAMP – Lotus Petals Kids Play School, Maraimalai Nagar.
7 09/03/2020 CAMP- Chennai Primary School, Saidapet.
2021
8 29-31/06/2021 CAMP - Dr MGR School for the Speech and Hearing Impaired
9 31/07/2021 CAMP - Minerva Higher Secondary School. Kumbakonam
10 21/08/2021 CAMP - Rotary Club of Kumbakonam
11 08/10/2021 CAMP - Ashok Leyland – Foundry Division, Sriperumbudur
12 04-05/12/2021 CAMP - The Sound of Music, Mettupalayam.
13 21-22/12/2021 CAMP - The Directorate of Education, Pondicherry
14 22/12/2021 CAMP - Government High School for the Hearing Impaired, Kanchipuram.
2022
15 07/01/2022 CAMP – District Collector Office, Ranipet.
16 03/03/2022 Guild of Services, Anna Nagar
17 07-08/03/2022 CAMP – Lincoln Electric – Mahindra City.
18 11/08/2022 CAMP – ITC Ltd. – SBU Packaging and Printing, Thiruvottriyur.
19 17/04/2022 CAMP – New Bharath Matriculation Higher Secondary School.
20 2-3/06/2022 CAMP – Vallam
21 07/10/2022 Clark school for HI
22 10/10/2022 MGR School, Ramapuram
2023
23 26/02/2023 Thiruvannamalai
24 17/03/2023 MGR School, Ramapuram
25 19/03/2023 Panruti
26 26/03/2023 Thiruvaarur
2024
27 09/03/2024 – 10/03/2024 Speech and Hearing Screening Camp organized by Mrs. Kanimozhi Karunanidhi – Thoothukudi MP
28 12/03/2024 Old Washermenpet – VITHAI ILLAM TRUST