Prevalence of self-reported movement dysfunction among young adults with a history of ecstasy and methamphetamine use

•Tremor and abnormal hand function is common in ecstasy and methamphetamine users.•The role of poly-drug use on movement abnormalities requires careful consideration.•Stimulant users do not report noticeable changes in gait, posture, or balance. Illicit stimulant use is associated with long-lasting...

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Published in:Drug and alcohol dependence 2019-12, Vol.205, p.107595-107595, Article 107595
Main Authors: Todd, Gabrielle, Burns, Lucinda, Pearson-Dennett, Verity, Esterman, Adrian, Faulkner, Patrick L., Wilcox, Robert A., Thewlis, Dominic, Vogel, Adam P., White, Jason M.
Format: Article
Language:eng
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Summary:•Tremor and abnormal hand function is common in ecstasy and methamphetamine users.•The role of poly-drug use on movement abnormalities requires careful consideration.•Stimulant users do not report noticeable changes in gait, posture, or balance. Illicit stimulant use is associated with long-lasting changes in movement and movement-related brain regions. The aim of our study was to investigate the prevalence of movement dysfunction in this population. We hypothesized that prevalence of self-reported movement dysfunction is higher among stimulant users than non-stimulant users. Three groups of adults completed a survey containing questions about demographics, health, drug use, and movement. The groups consisted of ecstasy users with no history of methamphetamine use (ecstasy group, n = 190, 20 ± 3 yrs.), methamphetamine users (methamphetamine group, n = 331, 23 ± 5 yrs.), and non-stimulant users (control group, n = 228, 25 ± 8 yrs.). Movement data was analyzed with logistic regression. In the unadjusted logistic regression model, group had a significant effect on fine hand control, tremor, and voice/speech questions, but not on other movement domain questions. The prevalence of tremor and abnormal fine hand control was significantly higher in the ecstasy and methamphetamine groups than in the control group (p 
ISSN:0376-8716
1879-0046