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Polyradiculoneuritis after botulinum toxin therapy for cervical dystonia
J A Burguera1, T Villaroya, M López-Alemany
1Department of Neurology, Hospital Universitari La Fe, Valencia, Spain.
Clinical Neuropharmacology
|October 6, 2000
Summary
Botulinum toxin type A may trigger acute inflammatory demyelinating polyradiculoneuritis in cervical dystonia patients. Alternative botulinum toxin types are recommended due to potential adverse reactions.
Area of Science:
- Neurology
- Toxicology
Background:
- Cervical dystonia is a neurological movement disorder.
- Botulinum toxin type A is a common treatment for cervical dystonia.
Observation:
- A 40-year-old man developed acute inflammatory demyelinating polyradiculoneuritis after botulinum toxin type A treatment.
- This condition, also known as Guillain-Barré syndrome, affects the peripheral nervous system.
Findings:
- The temporal association suggests a potential pathogenic link between botulinum toxin type A and polyradiculoneuritis.
- Previous reports of idiopathic brachial plexopathy and polyradiculoneuritis exist.
Implications:
- Botulinum toxin type A may be contraindicated in cervical dystonia patients experiencing such adverse events.
- Consideration of alternative botulinum toxin types is advised for managing cervical dystonia.