Electrodiagnostic Testing of Large Fiber Polyneuropathies: A Review of Existing Guidelines

Hatice Tankisi, Kirsten Pugdahl, Anders Fuglsang-Frederiksen
Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society 2020, 37 (4): 277-287
Electrodiagnostic testing for polyneuropathies is a large part of the diagnostic workup in all electrodiagnostic laboratories. Guidelines on examination and diagnostic strategies and classification of polyneuropathies are crucial for standardization of electrodiagnostic testing and best clinical practice. Several guidelines have been suggested on pathophysiological classification, particularly for the definition of inflammatory neuropathies, whereas for axonal polyneuropathies, the literature is sparse. Similarly, there are a few recommendations on examination and diagnostic strategies. This review will cover the existing guidelines on electrodiagnostic testing of large fiber polyneuropathies including examination and diagnostic strategies and pathophysiological classification. In addition, the diagnostic criteria for Guillain-Barre syndrome, chronic inflammatory demyelinating polyneuropathy, multifocal motor neuropathy, and hereditary neuropathies are summarized.

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