Abstract
Intramuscular injections of botulinum toxin are the cornerstone of treatment for cervical dystonia. Controversy exists regarding the necessity for EMG-guided injections. We compared the clinical examination of four movement disorder specialists to an electromyographic (EMG) mapping study. Clinical predictions of individual muscle involvement were only 59% sensitive and 75% specific. Muscle hypertrophy, shoulder elevation, and dominant head vector did not bolster clinical accuracy. An EMG mapping study facilitates identification of dystonic muscles in cervical dystonia, which may enhance botulinum toxin therapy. (C) 2000 John Wiley and Sons, Inc.
Original language | English (US) |
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Pages (from-to) | 1752-1756 |
Number of pages | 5 |
Journal | Muscle and Nerve |
Volume | 23 |
Issue number | 11 |
DOIs | |
State | Published - 2000 |
Keywords
- Botulinum toxin
- Cervical dystonia
- EMG
- Movement disorder
- Torticollis