Abstract
Aim of the studyTo demonstrate the influence of botulinum toxin (BTX) type A injections into the deep anterior neck muscles (aDNMs) on the severity of cervical dystonia (CD) in severely affected CD-patients with pure antecaput and/or antecollis. MethodsRetrospective analysis of our (Access) data bank and the CT-scans performed during injections.In eight patients CT-guided injections were performed. Outcome was measured by means of the TSUI-score and a 4 point global assessment scale (GAS) to score efficacy, tolerability and pain relief of BTX-A injections into the aDNMs. Patients were asked for side effects of the injections. ResultsRetrospective analysis reveals that CT-guided intramuscular injections of BTX-A into the aDNMs improve antecollis better than antecaput and reduce pain, but are tolerated barely. The most frequent side-effects were dysphagia and anxiety. The majority of patients wanted to be reinjected. ConclusionFor the special subgroup of CD-patients with a severe antecollis CT-guided injections of the aDNMs are a relevant treatment option for intermittent but not continuous intervention.
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