Abstract:
:In four patients who received periocular injections of botulinum toxin for blepharospasm, abnormal neuromuscular transmission was demonstrated by single-fiber EMG in arm muscles. The time course with which the abnormalities developed and cleared, as well as the inverse relationship between the neuromuscular jitter and the firing rate in the abnormal muscles, indicated that the toxin caused the abnormalities in arm muscles. No weakness was detected clinically in muscles distant from the face, but the abnormal neuromuscular transmission indicates that the toxin spread remotely from the site of injection.
journal_name
Neurologyjournal_title
Neurologyauthors
Sanders DB,Massey EW,Buckley EGdoi
10.1212/wnl.36.4.545subject
Has Abstractpub_date
1986-04-01 00:00:00pages
545-7issue
4eissn
0028-3878issn
1526-632Xjournal_volume
36pub_type
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