Abstract:
:We reviewed the clinical and electrophysiologic features of 36 patients with increased titers of IgM anti-GM1 antibodies. Mildly elevated titers of up to 3,200 were not associated with any particular clinical syndrome or disease. Clinically, 14 of 16 patients with highly elevated titers of 6,400 or higher had progressive weakness with lower motor neuron signs; six had active tendon reflexes and eight had absent reflexes, but none had definite upper motor neuron signs. Electrophysiologic studies showed spontaneous activity in all 14 patients, one or more motor conduction blocks in nine, slowed motor conductions in one, and normal conductions in four patients. None had abnormal sensory conductions. These patients presented with a syndrome that has features of, but is distinct from, both motor neuron disease and demyelinating neuropathy.
journal_name
Neurologyjournal_title
Neurologyauthors
Kinsella LJ,Lange DJ,Trojaborg W,Sadiq SA,Younger DS,Latov Ndoi
10.1212/wnl.44.7.1278subject
Has Abstractpub_date
1994-07-01 00:00:00pages
1278-82issue
7eissn
0028-3878issn
1526-632Xjournal_volume
44pub_type
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