[The feasibility of using Quick Dementia Rating System in clinical practice: results of a multi-center prospective validation study].

Aim: To determine the sensitivity and specificity of the Quick Dementia Rating System (QDRS), a 10-item questionnaire for the assessment of cognitive, behavioral, and functional impairments, in the Russian population.

Material And Methods: The authors examined 2357 patients,1479 female (63%) and 878 male (37%), with subjective cognitive impairment (SCI), mild cognitive impairment (MCI) or dementia. Their average age was 73,1±9,7.

[Anxiety and depressive disorders in Parkinson's disease].

This review presents the most recent data of worldwide research on anxiety and depressive disorders in patients with Parkinson's disease. Their characteristics and epidemiology, pathogenetic and clinical features, methods of diagnosis and treatment are presented. Depression occurs in 40-50% of patients with PD, anxiety in 17-43% of patients.

[Transcranial magnetic stimulation in Parkinson's disease].

This review presents the results of studies investigating the effects of transcranial magnetic stimulation (TKMS) on motor and non-motor symptoms of Parkinson's disease (PD). It has been found that TKMS reduces the severity of both motor and non-motor disorders without causing serious side-effects. Magnetic field therapy can be combined with pharmacological and non-drug therapies, including the use of dopaminergic therapy, antidepressants and anti-dementia drugs, as well as stereotactic operations.