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[Early evoked auditory potentials in transient ischemic attacks of the posterior circle of Willis]
Rivista Di Neurologia
|March 1, 1983
Insights
Brainstem evoked potentials significantly aid in diagnosing vertebrobasilar circulation transient ischemic attacks (TIAs). Increased V wave latency is a key indicator, allowing monitoring of auditory pathway disease and clinical evolution.
Area of Science:
- Neuroscience
- Clinical Neurology
- Audiology
Context:
- Transient ischemic attacks (TIAs) affecting the vertebrobasilar circulation pose diagnostic challenges.
- Evaluating brainstem auditory evoked potentials (BAEPs) offers a non-invasive method for neurological assessment.
Purpose:
- To investigate the diagnostic utility of brainstem evoked potentials in patients with vertebrobasilar transient ischemic attacks (TIAs).
- To identify characteristic electrophysiological markers associated with vertebrobasilar TIAs.
Summary:
- The study utilized brainstem evoked potentials to examine patients experiencing TIAs in the vertebrobasilar circulation.
- The examination proved significant in 66% of cases, with increased absolute latency of the V wave being the most characteristic finding.
- Repeated testing allows for monitoring the evolution of auditory brain pathway disease and clinical features.
Impact:
- This electrophysiological technique provides a valuable tool for diagnosing and monitoring vertebrobasilar circulation TIAs.
- Understanding changes in V wave latency can improve the management of patients with auditory pathway dysfunction secondary to vascular events.
Abstract:
The authors studies through the evoked potentials of the brain stem a group of patients affected from T.I.A. of the vertebro-basilar circulation. From the remarks of cases this examination results significant in 66%. The more characteristic remarks is the increase of absolute latency of V wave. It is also possible to follow contemporary the evolution of auditive brain pathways disease and clinical features in repeating the test.