Background And Purpose: The prognosis of rapid onset functional tic-like behaviors (FTLBs) is unknown. This prospective cohort study describes the course and treatment of rapid onset FTLBs in adolescents (n = 20) and adults (n = 9) previously reported in two case series.
Methods: Yale Global Tic Severity Scale (YGTSS) scores were compared between first clinical presentation and 6-month follow-up assessment. All treatments used for FTLBs and any psychiatric comorbidities were recorded.
Results: In adolescents with FTLBs, motor tics, vocal tics, total tics, impairment, and global scores on the YGTSS significantly improved at 6 months, with a mean decrease in the YGTSS global score of 31.9 points, 95% confidence interval (CI) 15.4, 48.4, p = .0005. In adults with FTLBs, only impairment and global scores significantly improved, with a mean decrease in the YGTSS global score of 19.6 points, 95% CI -3.2, 42.3, p = .04. Selective serotonin reuptake inhibitors (SSRIs) and cognitive behavioral therapy (CBT) for anxiety and depression were the most used treatment in both age groups.
Conclusions: This prospective study suggests that adolescents have a better prognosis than adults with FTLBs. Management of comorbidities with SSRIs and CBT seems effective.
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| http://dx.doi.org/10.1002/brb3.2606 | DOI Listing |
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