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Erschienen in: Journal of NeuroVirology 1/2019

09.11.2018 | Case Report

Quantitative electroencephalography supports diagnosis of natalizumab-associated progressive multifocal leukoencephalopathy

verfasst von: G. Classen, C. Classen, C. Bernasconi, C. Brandt, R. Gold, A. Chan, R. Hoepner

Erschienen in: Journal of NeuroVirology | Ausgabe 1/2019

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Abstract

Long-term treatment of multiple sclerosis with natalizumab (NTZ) carries the risk of a devastating complication in the form of an encephalopathy caused by a reactivation of a latent John Cunningham virus infection (progressive multifocal leucoencephalopathy, PML). Early diagnosis is associated with considerably better prognosis. Quantitative EEG as an objective, rater-independent technique provides high sensitivity (88%) and specificity (82%) for the diagnosis of NTZ-PML. Combination of diagnostic modalities addressing static morphological (brain MRI) as well as functional (EEG) pathologic changes may improve risk management programmes.
Fußnoten
1
The calculation of the Fourier transform was initially performed with an internally developed software written in C++ using the function “Real One-dimensional Transform” of the C-library “FFTW” (Frigo and Johnson 1997). The current version is programmed in Java for cross-platform use. A copy is available on request.
 
2
Amplitude spectrum was calculated with Welch’s spectral estimation using the Matlab function “pwelch.m” between 0.5 and 30 Hz with a resolution of 0.1 Hz (Matlab, MathWorks Inc. Natick, Massachusetts, USA).
 
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Metadaten
Titel
Quantitative electroencephalography supports diagnosis of natalizumab-associated progressive multifocal leukoencephalopathy
verfasst von
G. Classen
C. Classen
C. Bernasconi
C. Brandt
R. Gold
A. Chan
R. Hoepner
Publikationsdatum
09.11.2018
Verlag
Springer International Publishing
Erschienen in
Journal of NeuroVirology / Ausgabe 1/2019
Print ISSN: 1355-0284
Elektronische ISSN: 1538-2443
DOI
https://doi.org/10.1007/s13365-018-0689-2

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