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Cognitive impairment and mental disorders in patients with focal muscular dystonia

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Non-motor manifestations in focal muscular dystonia (FMD) have been little studied.
Objective: to analyze the characteristics of cognitive impairment (CI) and mental disorders (MDs) in FMD.
Patients and methods. Fifteen patients (7 men and 8 women) aged 25 to 80 years (mean age, 59.8±14.7 years) with FMD were examined. Cervical dystonia and blepharospasm were noted in 10 (66.7%) and 5 (33.3%) patients, respectively. A control group consisted of 15 healthy individuals (7 men and 8 women) (mean age, 58.2±14.9 years). Neurological and standardized psychiatric examinations and neuropsychological tests were performed; the Beck Depression Inventory and the Spielberger State-Trait Anxiety Inventory were used.
Results and discussion. Patients with FMD were found to have moderate CI as impaired control functions. Depression was diagnosed in 9 (60%) patients; it corresponded to the pattern of protracted psychogenically provoked conditions in most cases (n = 8). Six (40%) patients with FMD had anxiety and somatic disorders. The pathophysiology of non-motor manifestations of FMD is likely to depend on many factors, including the relationship between different clinical factors and basal ganglia dysfunction. The data on the association between emotional disorders and CI in FMD are contradictory. MDs can seem to be as an additional factor that aggravates the manifestations of dystonia.
Conclusion. In patients with FMD, moderate CI can be due to emotional disorders that aggravate the manifestations of the disease. The diagnosis and correction of emotional disorders are promising in the management of patients with FMD.

About the Authors

V. A. Tolmacheva
Department of Nervous System Diseases and Neurosurgery
Russian Federation
11, Rossolimo St., Build. 1, Moscow 119021

D. A. Grishina
Department of Nervous System Diseases and Neurosurgery
Russian Federation
11, Rossolimo St., Build. 1, Moscow 119021

D. V. Romanov
Research Department of Psychosomatic Medicine, Science and Technology Park for Biomedicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia; Department for the Study of Borderline Mental Disease and Psychosomatic Disorders, Mental Health Research Center
Russian Federation

6, Bolshaya Pirogovskaya St., Build. 1, Moscow 119435;

34, Kashirskoe Shosse, Moscow 115522


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For citations:

Tolmacheva V.A., Grishina D.A., Romanov D.V. Cognitive impairment and mental disorders in patients with focal muscular dystonia. Neurology, Neuropsychiatry, Psychosomatics. 2019;11(4):51-56. (In Russ.)

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ISSN 2074-2711 (Print)
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