Brain Stem Evoked Response Audiometry Responses in Tinnitus Patients - A Study on Auditory Evaluation in a Tertiary Teaching Hospital of Hyderabad
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 6
Abstract
Background: The cause of tinnitus is theorized as due to abnormal spontaneous nerve activity somewhere along the auditory pathway. Majority of the causes of such neuronal activities are unknown. Auditory evaluation is done in all patients with tinnitus to rule out organic brain diseases which may also cause tinnitus. Brain stem evoked response audiometry (BERA) is one such test in the armamentarium of audiological evaluation laboratory. Aim: The aim of the study is to study the results of BERA performed in all patients undergoing audiological evaluation for tinnitus. Materials and Methods: Patients were divided into two groups; 78 patients with tinnitus and 34 normal individuals as control group. Total audiological evaluation was done in individuals of both groups. Absolute latencies of Wave I, III, and V, inter peak latencies (IPLs) as well as the interaural latency difference of Wave V (ILD-V) was recorded. Observations and Results: There was no statistical significant difference between both groups. Few tinnitus patients showed abnormal prolonged absolute latencies, IPLs, and increased ILD-V. There was some asymmetry in results between different study subgroups. Conclusions: BERA results can variable in tinnitus patients. Few patients have normal results while others showed prolonged absolute or IPLs or increased ILD-V difference.
Authors and Affiliations
Urooj Ahmed Choudhary, Imtiaz Ahmed Khan
Keywords
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