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[Auditory evoked potentials in distinguishing between peripheral and central tinnitus]
M C de Lavernhe-Lemaire1, P Beutter
1Service d'Oto-Rhino-Laryngologie, CHU de Tours, France.
Archives Internationales De Physiologie Et De Biochimie
|April 1, 1989
Summary
Brainstem evoked response audiometry (BERA) can help differentiate tinnitus origins. BERA findings suggest peripheral tinnitus may show increased wave I latency, while central tinnitus may present with altered I-V latency.
Area of Science:
- Audiology
- Neuroscience
- Otolaryngology
Context:
- Tinnitus affects a significant portion of the population, impacting quality of life.
- Distinguishing the origin of tinnitus (peripheral vs. central) is crucial for effective management.
- Brainstem Evoked Response Audiometry (BERA) is a diagnostic tool used to assess auditory pathway function.
Purpose:
- To investigate the utility of Brainstem Evoked Response Audiometry (BERA) in differentiating the origin of tinnitus.
- To compare BERA parameters (wave latencies) in patients with tinnitus to a normal population.
- To explore BERA's potential in identifying peripheral versus central tinnitus.
Summary:
- BERA was conducted on 164 tinnitus patients and 57 controls.
- Increased wave I latency was observed on the tinnitus side.
- Altered I-V latency patterns were noted, aiding in differentiating tinnitus origins, even with unilateral deafness.
Impact:
- This study provides evidence for BERA's role in the etiological diagnosis of tinnitus.
- Findings may lead to more targeted and effective tinnitus treatment strategies.
- The results are consistent with previous research, reinforcing the diagnostic value of BERA in audiology.