Arends, Samuel ORCID: 0000-0003-4279-4657, Drenthen, Judith, van den Bergh, Peter, Franssen, Hessel, Hadden, Robert D. M., Islam, Badrul, Kuwabara, Satoshi, Reisin, Ricardo C., Shahrizaila, Nortina, Amino, Hiroshi, Antonini, Giovanni, Attarian, Shahram, Balducci, Claudia, Barroso, Fabio, Bertorini, Tulio, Binda, Davide, Brannagan, Thomas H., Buermann, Jan, Casasnovas, Carlos, Cavaletti, Guido, Chao, Chi-Chao, Dimachkie, Mazen M., Fulgenzi, Ernesto A., Galassi, Giuliana, Gutierrez, Gerardo Gutierrez, Harbo, Thomas, Hartung, Hans-Peter, Hsieh, Sung-Tsang, Kiers, Lynette, Lehmann, Helmar C., Manganelli, Fiore, Marfia, Girolama A., Mataluni, Giorgia, Pardo, Julio, Pereon, Yann, Rajabally, Yusuf A., Santoro, Lucio, Sekiguchi, Yukari, Stein, Beth, Stettner, Mark, Uncini, Antonino, Verboon, Christine, Verhamme, Camiel, Vytopil, Michal, Waheed, Waqar, Wang, Min, Zivkovic, Sasha, Jacobs, Bart C. and Cornblath, David R. (2022). Electrodiagnosis of Guillain-Barre syndrome in the International GBS Outcome Study: Differences in methods and reference values. Clin. Neurophysiol., 138. S. 231 - 241. CLARE: ELSEVIER IRELAND LTD. ISSN 1872-8952

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Abstract

Objective: To describe the heterogeneity of electrodiagnostic (EDx) studies in Guillain-Barre syndrome (GBS) patients collected as part of the International GBS Outcome Study (IGOS).Methods: Prospectively collected clinical and EDx data were available in 957 IGOS patients from 115 centers. Only the first EDx study was included in the current analysis.Results: Median timing of the EDx study was 7 days (interquartile range 4-11) from symptom onset. Methodology varied between centers, countries and regions. Reference values from the responding 103 centers were derived locally in 49%, from publications in 37% and from a combination of these in the remaining 15%. Amplitude measurement in the EDx studies (baseline-to-peak or peak-to-peak) differed from the way this was done in the reference values, in 22% of motor and 39% of sensory conduction. There was marked variability in both motor and sensory reference values, although only a few outliers accounted for this.Conclusions: Our study showed extensive variation in the clinical practice of EDx in GBS patients among IGOS centers across the regions. Significance: Besides EDx variation in GBS patients participating in IGOS, this diversity is likely to be present in other neuromuscular disorders and centers. This underlines the need for standardization of EDx in future multinational GBS studies.(c) 2022 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Arends, SamuelUNSPECIFIEDorcid.org/0000-0003-4279-4657UNSPECIFIED
Drenthen, JudithUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
van den Bergh, PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Franssen, HesselUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hadden, Robert D. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Islam, BadrulUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kuwabara, SatoshiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reisin, Ricardo C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shahrizaila, NortinaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Amino, HiroshiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Antonini, GiovanniUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Attarian, ShahramUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Balducci, ClaudiaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barroso, FabioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bertorini, TulioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Binda, DavideUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Brannagan, Thomas H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buermann, JanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Casasnovas, CarlosUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cavaletti, GuidoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chao, Chi-ChaoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dimachkie, Mazen M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fulgenzi, Ernesto A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Galassi, GiulianaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gutierrez, Gerardo GutierrezUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Harbo, ThomasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hartung, Hans-PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hsieh, Sung-TsangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kiers, LynetteUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lehmann, Helmar C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Manganelli, FioreUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marfia, Girolama A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mataluni, GiorgiaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pardo, JulioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pereon, YannUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rajabally, Yusuf A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Santoro, LucioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sekiguchi, YukariUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stein, BethUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stettner, MarkUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Uncini, AntoninoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Verboon, ChristineUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Verhamme, CamielUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vytopil, MichalUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Waheed, WaqarUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, MinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zivkovic, SashaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jacobs, Bart C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cornblath, David R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-699081
DOI: 10.1016/j.clinph.2021.12.014
Journal or Publication Title: Clin. Neurophysiol.
Volume: 138
Page Range: S. 231 - 241
Date: 2022
Publisher: ELSEVIER IRELAND LTD
Place of Publication: CLARE
ISSN: 1872-8952
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SYNDROME SUBTYPES; NERVE-CONDUCTION; DISEASE; INFECTION; CRITERIAMultiple languages
Clinical Neurology; NeurosciencesMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/69908

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