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Cervical dystonia and botulinum treatment: Is electromyographic guidance necessary?

✍ Scribed by J. D. Speelman; J. W. M. Brans

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
93 KB
Volume
10
Category
Article
ISSN
0885-3185

No coin nor oath required. For personal study only.

✦ Synopsis

To the Editor:

Consensus exists that in the treatment of cervical dystonia, botulinum toxin (BTA) has to be applied within the selected muscles. Discussion continues whether this treatment must be administered under electromyographic (EMG) guidance.

To answer this question, one of us (J.D.S.), with 9 years experience with BTA treatment of cervical dystonia, inserted a 27-gauge hollow electrode needle, Teflon coated with a bar tip and connected to an electromyograph, into muscles selected for treatment with the EMG switched off. Before injecting BTA, the EMG was switched on to record the motor unit potentials (MUPs) and the interference pattern, using this method to inves-

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