This systematic review investigates the effects of treatments for focal and generalized dystonia. Much of the review examines the effects of medical and surgical management of dystonia, but speech-language pathology services are briefly addressed.
BMJ
Up to September 2013
Randomized controlled trials; systematic reviews of randomized controlled trials
19
<div>Results were unclear whether any of the following treatments were effective in improving quality of life for people with adductor spasmodic dysphonia:</div>
<ul>
<li>Voice therapy plus botulinum A toxin injections;</li>
<li>Sham voice therapy plus botulinum A toxin injections; and</li>
<li>Botulinum A toxin injections only (Very Low Quality Evidence).</li>
</ul>
<div>No RCTs or systematic reviews of RCTs were found addressing speech-language pathology intervention in generalized dystonia.</div>
<div> </div>
<div>Additional research is indicated due to an overall lack of studies. </div>
