Visual evoked potentials in neuromyelitis optica and its spectrum disorders

Author:

Ringelstein Marius1,Kleiter Ingo2,Ayzenberg Ilya2,Borisow Nadja3,Paul Friedemann34,Ruprecht Klemens4,Kraemer Markus5,Cohn Eva1,Wildemann Brigitte6,Jarius Sven6,Hartung Hans-Peter1,Aktas Orhan1,Albrecht Philipp1

Affiliation:

1. Department of Neurology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany

2. Department of Neurology, St. Josef-Hospital, Ruhr University, Bochum, Germany

3. Neurocure Clinical Research Center, Charité-Universitätsmedizin Berlin, Germany

4. Department of Neurology, Charité-Universitätsmedizin Berlin, Germany

5. Department of Neurology, Alfried Krupp Hospital, Essen, Germany

6. Division of Molecular Neuroimmunology, Department of Neurology, University of Heidelberg, Germany

Abstract

Optic neuritis (ON) is a key feature of neuromyelitis optica (NMO). Recently, NMO patients of predominantly Afro-Brazilian origin were evaluated by visual evoked potentials (VEPs) and showed marked amplitude reductions. Here, we analyzed VEPs in a predominantly Caucasian cohort, consisting of 43 patients with definite NMO, 18 with anti-aquaporin (AQP) 4 antibody-seropositive NMO spectrum disorders and 61 matched healthy controls. We found reduced amplitudes in only 12.3%, prolonged latencies in 41.9% and a lack of response in 14.0% of NMO eyes. Delayed P100 latencies in eyes without prior ON suggested this was a subclinical affection. The data indicate heterogenous patterns in NMO, warranting further investigation.

Publisher

SAGE Publications

Subject

Clinical Neurology,Neurology

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