Journal
JOURNAL OF PSYCHOSOMATIC RESEARCH
Volume 116, Issue -, Pages 10-16Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpsychores.2018.11.006
Keywords
Dystonia; Functional (psychogenic) movement disorders; Parkinson's disease; Psychiatric comorbidities; Quality of life
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Objective: Patients with functional movement disorders (FMD) often report a disability and psychiatric co morbidities. However, few studies have compared these aspects in FMD and in organic movement disorders (OMD). The objectives were to compare QoL and psychiatric comorbidities of FMD and OMD patients. Methods: Twenty-one and 30 FMD patients were compared to 21 and 30 sex- and age-matched dystonia and Parkinson patients respectively. QoL was assessed using the Parkinson's Disease Summary Index (PDSI). Psychiatric comorbidities were screened with the Mini International Neuropsychiatric Interview, the Hospital Anxiety and Depression Scale and the Composite International Diagnostic Interview questionnaire. Results: QoL was more altered in FMD than in dystonia on PDSI (42.1 vs 25.1; p =.003). No significant difference was observed in QoL in FMD and Parkinson's disease on PDSI (38.3 vs 32.2; p =.61). Moreover, FMD patients were more often unemployed because of their condition than dystonia (61.9% vs 14.3%; p =.01) and Parkinson patients (53.35/o vs 13.3%; p =.005). The occurrence of anxiety (p =.58 and > 0.99), depression (p =.77 and 0.77), and traumatic events (p =.58 and 0.75) was not different between groups. FMD patients reported more often sexual abuse than dystonia (28,6% vs 4.8%; p =.13) and Parkinson patients (23.3% vs 0.0%; p =.02). Conclusion: FMD patients presented a significant alteration of QoL and no increased psychiatric comorbidities compared to OMD patients. These results highlight the impact of FMD and suggest that neurologists should be as involved in the management of FMD as they are in OMD.
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