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April 1, 1986

Botulinum toxin for blepharospasm: single-fiber EMG studies

April 1, 1986 issue
36 (4) 545-547

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.

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Published In

Neurology®
Volume 36Number 4April 1, 1986
Pages: 545-547
PubMed: 3960330

Publication History

Published online: April 1, 1986
Published in print: April 1, 1986

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Cited By
  1. Filler and Neurotoxin Injections During Pregnancy and the Postpartum Period, ENT Diseases: Diagnosis and Treatment during Pregnancy and Lactation, (913-921), (2022).https://doi.org/10.1007/978-3-031-05303-0_69
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  2. Single fiber electromyography and measuring jitter with concentric needle electrodes, Muscle & Nerve, 66, 2, (118-130), (2022).https://doi.org/10.1002/mus.27573
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  3. Contribution of Single-Fiber Evaluation on Monitoring Outcomes Following Injection of Botulinum Toxin-A: A Narrative Review of the Literature, Toxins, 13, 5, (356), (2021).https://doi.org/10.3390/toxins13050356
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  4. Drugs Used in Ophthalmology, Drug-Induced Ocular Side Effects, (413-499), (2021).https://doi.org/10.1016/B978-0-323-65375-6.00018-9
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  5. Jitter Evaluation in Distant and Adjacent Muscles after Botulinum Neurotoxin Type A Injection in 78 Cases, Toxins, 12, 9, (549), (2020).https://doi.org/10.3390/toxins12090549
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  6. Soft Nanomembrane Sensors and Flexible Hybrid Bioelectronics for Wireless Quantification of Blepharospasm, IEEE Transactions on Biomedical Engineering, 67, 11, (3094-3100), (2020).https://doi.org/10.1109/TBME.2020.2975773
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  7. Application of botulinum toxin in pregnancy and its impact on female reproductive health, Expert Opinion on Drug Safety, 19, 1, (83-91), (2019).https://doi.org/10.1080/14740338.2020.1707803
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  8. Guidelines for single fiber EMG, Clinical Neurophysiology, 130, 8, (1417-1439), (2019).https://doi.org/10.1016/j.clinph.2019.04.005
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  9. Botulinum Neurotoxin: Basic Facts, Physiology and Pharmacology, Atlas of Surgical Therapy for Migraine and Tension-Type Headache, (45-50), (2019).https://doi.org/10.1007/978-3-030-29505-9_7
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  10. Neurophysiological Measures of Efficacy and Safety for Botulinum Toxin Injection in Facial and Bulbar Muscles: Special Considerations, Toxins, 9, 11, (352), (2017).https://doi.org/10.3390/toxins9110352
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