Journal
EUROPEAN JOURNAL OF PEDIATRICS
Volume 178, Issue 4, Pages 581-585Publisher
SPRINGER
DOI: 10.1007/s00431-019-03317-8
Keywords
Psychogenic movement disorder; Children; Functional motor disorder
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This short communication provides an update on childhood psychogenic movement disorders (PMD), focusing on descriptive studies and case reports from 2008 to 2018. Known also as functional movement/motor disorders, PMD diagnoses are relatively common in adults but less so in children. In group studies over the past decade, sample prevalence of childhood PMD ranged from 2.8 to 23.1%, with a higher percentage of girls in most studies (consistent with adult PMD literature). Common types of PMD included tremor (32.4%), dystonia (29.5%), and myoclonus (24.3%). Precipitating events for PMD onset included H1N1 influenza vaccinations, family/child stressors, anxiety/depression in the child or parent, panic attacks, behavior disorders, injury or accident, sexual abuse of the child or family member, death of a close relative, parental discord, domestic violence, school-related problems, medical illness/surgery, sleep disturbance, and participation in competitive sport or dance. The most frequently mentioned treatments were cognitive behavioral therapy, psychotherapy, relaxation techniques, and physiotherapy.Conclusion: Although additional cases of childhood PMD have been published over the past decade, little new information has appeared. There is still no diagnostic gold standard, making an accurate estimate of prevalence virtually impossible and contributing to confusion among pediatricians when trying to identify children with PMD.
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