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Comparison of hearing thresholds of patients with advanced, and very advanced sensorineural type hearing loss using tone-evoked ABR

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https://doi.org/10.2399/jmu.2014002005
Dündar, R., Kulduk, E., Kemal Soy, F., Erdem Kılavuz, A., Umut Sakarya, E., Yazıcı, H., & Eren, A. (2014). Comparison of hearing thresholds of patients with advanced, and very advanced sensorineural type hearing loss using tone-evoked ABR. ENT Updates, 4(2). https://doi.org/10.2399/jmu.2014002005
Volume 4 Issue 2 (2014)
Copyright (c) 2014 Rıza Dündar, Erkan Kulduk, Fatih Kemal Soy, Ahmet Erdem Kılavuz, Engin Umut Sakarya, Haşmet Yazıcı, Abdülkadir Eren
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This work is licensed under a Creative Commons Attribution 4.0 International License.

Authors

  • Rıza Dündar Department of Otorhinolaryngology, Kızıltepe Government Hospital, Mardin, Turkey
  • Erkan Kulduk
    Department of Otorhinolaryngology, Kızıltepe Government Hospital, Mardin, Turkey
  • Fatih Kemal Soy Department of Otorhinolaryngology, Kızıltepe Government Hospital, Mardin, Turkey
  • Ahmet Erdem Kılavuz Department of Otorhinolaryngology, Malazgirt Government Hospital, Muş, Turkey
  • Engin Umut Sakarya Department of Otorhinolaryngology, Bozkır Government Hospital, Konya, Turkey
  • Haşmet Yazıcı Department of Otorhinolaryngology, Faculty of Medicine, Balıkesir University, Balıkesir, Turkey
  • Abdülkadir Eren Department of Radiology, Kızıltepe Government Hospital, Mardin, Turkey

Objective: In the present study, thresholds of airway tone-burst auditory brainstem response (ABR), and pure-tone audiometry were compared, and correlations between threshold values obtained with classical audiometric methods, and pure-tone airway hearing in individuals with advanced, and very advanced sensorineural (S/N) hearing loss were investigated.

Methods: Eighty patients with advanced and very advanced S/N hearing loss were included in the study. Pure-tone air conduction thresholds of advanced, and very advanced S/N hearing loss patients detected at 500, 2000 and 4000 Hz frequencies were compared with tone-burst ABR threshold values.

Results: Our study population consisted of males with a mean age of 21.8±3.45. Mean differences between thresholds of tone-burst, and pure-tone audiometry were detected to be 4.75 dB, 6.25 dB, and 4.87 dB at stimulus frequencies of 500 Hz, 2000 Hz, and 4000 Hz, respectively.

Conclusion: In conclusion, in patients with S/N hearing loss, a strong correlation is found between pure-tone audiometry thresholds, and electrophysiological thresholds obtained at 500, 2000, and 4000 Hz with tone-evoked ABR wave-V. Tone-ABR can be used as a reliable test in the diagnosis of patients with hearing loss in conditions where pure-audiometry cannot be performed.

Keywords:

Pure-tone audiometry advanced sensorineural type hearing loss

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