Arends, Samuel ORCID: 0000-0003-4279-4657, Drenthen, Judith, van den Bergh, Peter Y. K., Hadden, Robert D. M., Shahrizaila, Nortina, Dimachkie, Mazen M., Gutierrez Gutierrez, Gerardo, Katzberg, Hans, Kiers, Lynette, Lehmann, Helmar C., Pereon, Yann, Reisin, Ricardo C., Uncini, Antonino, Verhamme, Camiel, Waheed, Wagar, Cornblath, David R. and Jacobs, Bart C. (2022). Electrodiagnostic subtyping in Guillain-Barre syndrome: Use of criteria in practice based on a survey study in IGOS. J. Peripher. Nerv. Syst., 27 (3). S. 197 - 206. HOBOKEN: WILEY. ISSN 1529-8027

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Abstract

Electrodiagnostic (EDx) studies are helpful in diagnosing and subtyping of Guillain-Barre syndrome (GBS). Published criteria for differentiation into GBS subtypes focus on cutoff values, but other items receive less attention, although they may influence EDx subtyping: (a) extensiveness of EDx testing, (b) nerve-specific considerations, (c) distal compound muscle action potential (CMAP)-amplitude requirements, (d) criteria for conduction block and temporal dispersion. The aims of this study were to investigate how these aspects were approached by neuromuscular EDx experts in practice and how this was done in previously published EDx criteria for GBS. A completed questionnaire was returned by 24 (of 49) members of the electrophysiology expertise group from the International GBS Outcome Study. Six published EDx criteria for GBS subtyping were compared regarding these aspects. The indicated minimal number of motor nerves to study varied among respondents and tended to be more extensive in equivocal than normal studies. Respondents varied considerably regarding usage of compression sites for subtyping (median/wrist, ulnar/elbow, peroneal/fibular head): 29% used all variables from all sites, 13% excluded all sites, and 58% used only some sites and/or variables. Thirty-eight percent of respondents required a minimal distal CMAP amplitude to classify distal motor latency as demyelinating, and 58% did for motor conduction velocity. For proximal/distal CMAP-amplitude ratio and F-wave latency, a requisite minimal CMAP amplitude was more often required (79%). Also, the various published criteria sets showed differences on all items. Practical use of EDx criteria for subtyping GBS vary extensively across respondents, potentially lowering the reproducibility of GBS subtyping.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Arends, SamuelUNSPECIFIEDorcid.org/0000-0003-4279-4657UNSPECIFIED
Drenthen, JudithUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
van den Bergh, Peter Y. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hadden, Robert D. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shahrizaila, NortinaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dimachkie, Mazen M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gutierrez Gutierrez, GerardoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Katzberg, HansUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kiers, LynetteUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lehmann, Helmar C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pereon, YannUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reisin, Ricardo C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Uncini, AntoninoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Verhamme, CamielUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Waheed, WagarUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cornblath, David R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jacobs, Bart C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-696222
DOI: 10.1111/jns.12504
Journal or Publication Title: J. Peripher. Nerv. Syst.
Volume: 27
Number: 3
Page Range: S. 197 - 206
Date: 2022
Publisher: WILEY
Place of Publication: HOBOKEN
ISSN: 1529-8027
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
CONDUCTIONMultiple languages
Clinical Neurology; NeurosciencesMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/69622

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