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Electrophysiologic Features of Inherited Demyelinating Neuropathies: A Reappraisal
Author(s) -
LEWIS RICHARD A.,
SUMNER AUSTIN J.
Publication year - 1999
Publication title -
annals of the new york academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.712
H-Index - 248
eISSN - 1749-6632
pISSN - 0077-8923
DOI - 10.1111/j.1749-6632.1999.tb08594.x
Subject(s) - demyelinating disorder , myelin , neuroscience , electrodiagnosis , medicine , nerve conduction , electrophysiologic study , pathology , biology , disease , central nervous system , tachycardia
The observation that inherited demyelinating neuropathies tend to have uniform conduction slowing and acquired disorders (CIDP and variants) have nonuniform or multifocal slowing was made before the identification of genetic defects of specific myelin constituents that cause the different forms of Charcot‐Marie‐Tooth and other inherited disorders involving peripheral nerve myelin. It is becoming clear that the electrophysiologic aspects of these disorders are more complex than previously realized. We review the current information available on the electrophysiologic features of the inherited demyelinating neuropathies in hopes of clarifying the clinical electrodiagnostic features of these disorders as well as to shed light on the physiologic consequences of the different genetic mutations.