[多发性硬化症VEP的形状变化:与病变类型的关系]。

EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete Pub Date : 1991-12-01

K Lowitzsch

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引用次数: 0

摘要

MS患者的VEP变化是由于脱髓鞘过程引起的传导改变以及抑制机制。模式移位VEP可以显示主正性延迟，振幅减弱或/和形状和持续时间的改变。通过对500多例MS患者的一系列文献和自身观察，可以观察到4种不同类型的VEP改变:1。具有P2延迟的NPN复形;2. 随着N2和P2延迟的损失而展宽;3.双歧P2, P100-P135复合物;4. 变形和解离，失去P2、N105优势和振幅减小。

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[Shape changes in contrast VEP in multiple sclerosis: relation to the type of lesion].

VEP changes in MS patients are due to the demyelinating process which causes conduction alterations as well as inhibitory mechanisms. The pattern-shift VEP can show a delay of the main positivity, a diminished amplitude or/and an altered shape and duration. Concerning to series from the literature and own observations on more than 500 MS patients 4 different types of VEP alterations can be observed: 1. NPN complex with P2 delay; 2. broadening with loss of N2 and P2 delay; 3. bifid P2, P100-P135 complex; 4. deformation and dissociation with loss of P2, N105 dominance and amplitude reduction.

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EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete

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