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Study of Variation and Latency of Wave V of Brain Stem Evoked Response Audiometry in North Central India

  • Vishwambhar SinghEmail author
  • Utkarsh Agrawal
  • Ashvanee Kr. Chaudhary
  • Mukesh Ranjan
Original Article
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Abstract

The brainstem evoked response audiometry (BERA) is an objective electrophysiological method for assessing the auditory pathway from the auditory nerve to the brain stem. To access the hearing pathway by BERA and compare differences in latency of wave five associated with age, gender and side of ear (left and right) in our set up. Total 257 patients were selected, there were 125 males and 132 females. All patients with auditory and vestibular complaint were assessed and underwent otoscopic examination, Pure Tone Audiometry (free field audiometry in children), Impedence and BERA. The analysis revealed that there has been progressive rise in latency (mean) of wave V with age, with a significant rise in latency in elderly individuals above 60. The analysis also revealed that that latency (mean) was higher in males than females in corresponding age group, also latency was higher in right ear in females but no such statistically significant relation could be established in males. There is still a need to have standardized set of absolute latency and interwave latency peak difference. Also in such cases of inclusion and exclusion needs to be mentioned.

Keywords

Brain stem evoked response audiometry Latency Absolute latency Interwave latency 

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Copyright information

© Association of Otolaryngologists of India 2018

Authors and Affiliations

  • Vishwambhar Singh
    • 1
    Email author
  • Utkarsh Agrawal
    • 1
  • Ashvanee Kr. Chaudhary
    • 1
  • Mukesh Ranjan
    • 1
  1. 1.Department of Otorhinolaryngology, Faculty of Modern Medicine, Institute of Medical SciencesBanaras Hindu UniversityVaranasiIndia

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