The electrodiagnosis of Guillain-Barré syndrome subtypes: where do we stand?

In 2012 we reviewed the criteria employed for the electrodiagnosis of Guillain-Barré syndrome (GBS) cautioning about their inadequacy and advocating the development of more reliable criteria sets (Uncini and Kuwabara, 2012). This was timely because since the 1990s the electrodiagnosis of GBS have become more complicated because besides acute inflammatory demyelinating polyradiculoneuropathy (AIDP), two primary axonal subtypes: acute motor axonal neuropathy (AMAN) and acute motor and sensory axonal neuropathy (AMSAN), associated with antecedent Campylobacter jejuni infection and autoantibodies against gangliosides were recognized.

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