ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2025
Effect of Botulinum toxin on non-motor symptoms in adult-onset idiopathic focal/segmental dystonia.
Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundNon-motor symptoms, including depression, anxiety, sleep disturbances, pain and cognitive dysfunction, are a much more important predictor of quality of life than the severity of dystonia.
objectivesTo assess the effect of Botulinum toxin on non-motor symptoms and quality of life in patients with adult-onset idiopathic focal dystonia.
methodsPatients aged > 18 years diagnosed with idiopathic focal dystonia were recruited in this longitudinal cohort study. The severity of dystonia, non-motor symptoms, and quality of life were evaluated using the BFMDRS, DNMSQuest, and EQ-5D at baseline and 1 and 3 months after botulinum toxin.
results65 patients were recruited with a median age of 59 years. Blepharospasm was the most common phenomenology. 49.2% of patients had depression at baseline assessed using the Beck Depression Inventory (BDI). There was a significant negative correlation between baseline BFMDRS, DNMSQuest, BDI, and HAM-A scores and quality of life, but there was no relation with the type of focal dystonia. The mean percentage improvement in the BFMDRS-M, BFMDRS-D, DNMSQuest, BDI, HAM-A and EQ-5D was 25%, 52%, 16%,20%,23% and 23%, respectively, at one month. There was no statistically significant correlation between percentage change in motor scores compared to depression and quality of life scores at one month.
conclusionBotulinum toxin improved motor and non-motor scores and quality of life at 1 and 3 months after botulinum toxin therapy. The motor scores did not correlate with depression and DNMSQUEST scores but showed a weak positive correlation with anxiety scores.
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