ArticleMovement disorders clinical practice2021
Management of Secondary Poor Response to Botulinum Toxin in Cervical Dystonia: A Multicenter Audit.
Article in Movement disorders clinical practice, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- Review
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- Task-Specific Drinking Tremor.Journal of movement disorders · 2023Article
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Authors and funding
9 authors at 6 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBotulinum toxin A (BoNT-A) is an effective treatment for cervical dystonia. Nevertheless, up to 30% to 40% patients discontinue treatment, often because of poor response. The British Neurotoxin Network (BNN) recently published guidelines on the management of poor response to BoNT-A in cervical dystonia, but adherence to these guidelines has not yet been assessed.
objectivesTo assess adherence to and usefulness of BNN guidelines in clinical practice.
methodsWe undertook a retrospective medical notes audit of adherence to the BNN guidelines in 3 United Kingdom tertiary neurosciences centers.
resultsOf 76 patients identified with poor response, 42 (55%) had a suboptimal response and, following BNN recommendations, 25 of them (60%) responded to adjustments in BoNT dose, muscle selection or injection technique. Of the remaining 34 (45%) patients with no BoNT response, 20 (59%) were tested for immune resistance, 8 (40%) of whom showed resistance. Fourteen (18%) of all patients were switched to BoNT-B, and 27 (36%) were referred for deep brain stimulation surgery. In those not immune to BoNT-A, clinical improvement was seen in 5 (41%) after adjusting their dose and injection technique.
conclusionOur audit shows that optimizing BoNT dose or injection strategy largely led to improvements in those with suboptimal response and in those reporting no response without resistance. It would be helpful to standardize investigations of potential resistance in those with no therapeutic response.
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