Ilaria Cani1, Anna Latorre2,3, Carla Cordivari2,4, Bettina Balint2,5, Kailash P Bhatia2. 1. IRCCS Istituto delle Scienze Neurologiche di Bologna Bologna BO Italy. 2. Department of Clinical and Movement Neurosciences UCL Queen Square Institute of Neurology London United Kingdom. 3. Department of Human Neurosciences Sapienza University of Rome Italy. 4. Department of Clinical Neurophysiology, National Hospital for neurology and Neurosurgery London United Kingdom. 5. Department of Neurology University Hospital Heidelberg Heidelberg Germany.
Abstract
BACKGROUND: Brachial neuritis has previously been described as a rare occurrence in patients receiving botulinum toxin for cervical or writing/focal arm dystonia. METHODS: We report four cases of patients with a long history of cervical dystonia treated with botulinum toxin injections. RESULTS: All patients developed pain and muscular weakness around the shoulder, with EMG studies suggesting brachial neuritis. CONCLUSIONS: In the context of these observations, we discuss the question of an association between brachial neuritis and botulinum toxin treatment.
BACKGROUND: Brachial neuritis has previously been described as a rare occurrence in patients receiving botulinum toxin for cervical or writing/focal arm dystonia. METHODS: We report four cases of patients with a long history of cervical dystonia treated with botulinum toxin injections. RESULTS: All patients developed pain and muscular weakness around the shoulder, with EMG studies suggesting brachial neuritis. CONCLUSIONS: In the context of these observations, we discuss the question of an association between brachial neuritis and botulinum toxin treatment.
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