[The organic disorders in the course of Lyme disease].

In the last decade the number of patients with Lyme disease has been continuously growing worldwide including Poland. Psychiatric examinations with the help of psychometric tests were performed in the group of 77 patients with arthritis, in 20 with neuroborreliosis and 26 with erythema migrans. First evaluations started before antibiotic therapy, second 5-6 months after the treatment, third one year since the first assessment. Mental state examinations and psychometric testing revealed in majority of the patients, mainly in those suffered from neuroborreliosis and erythrema migrans evidence of various psychiatric symptomatology. The range of psychiatric presentations included: mild cognitive deficits, organic mood disorders, mild dementias, depressive and anxiety episodes with non organic etiology.