Early auditory evoked potentials (EAEP) in vertebral basilar insufficiency
- 1 December 1979
- journal article
- research article
- Published by Springer Nature in Archiv Fur Psychiatrie Und Nervenkrankheiten
- Vol. 227 (4) , 367-376
- https://doi.org/10.1007/bf00344821
Abstract
Stimulation with a short tone pip elicits an acoustic nerve compound action potential (I) and different waves (II–VII) in the initial 10 ms. Seven waves have been studied in 40 control subjects and five waves in 12 patients with vertebral-basilar insufficiency. Abnormalities of the different waves were observed at levels such as cochlea and/or acoustic nerve, medulla, caudal pons, rostral pons, and midbrain. The recording of early auditory evoked potentials (EAEP) is a noninvasive method of confirming impairment of the auditory pathway caused by a reduced vascular supply of vertebral and basilar arteries. Nach akustischer Reizung mit einem kurzen Tonimpuls (tone pip) lassen sich in den ersten 10 ms das Summenaktionspotential des N. acusticus (I) und weitere 6 Wellen (II–VII) ableiten. 7 Komponenten wurden bei 40 Normalpersonen und 5 Komponenten (I–V) bei 12 Patienten mit typischen Symptomen einer vertebro-basilären Insuffizienz einer genauen Analyse unterzogen. Veränderungen der frühen akustisch evozierten Potentiale (FAEP) lassen eine topische Zuordnung gefäßbedingter Schädigungen dorso-lateraler Hirnstammanteile zu. Es handelt sich um eine nicht-invasive Untersuchungsmethode, die durch Verlaufskontrollen prognostische Aussagen ermöglicht.Keywords
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