The objective of the research is to defi ne the clinico-anamnestic and socio-demographic predictors of suicidal behavior in patients with diff erent types of dementia. A total of 213 patients were examined with the help of the clinico-anamnestic method, 75 of them had the dementia caused by Alzheimer’s disease, 50 patients had vascular dementia and 60 patients suff ered from mixed dementia. According to the presence of suicidal behavior symptoms (intentions, attempts, thoughts, utterances) all the patients were divided into two groups: the main and the control one

The socio-demographic predictors of suicidal risk in dementia caused by Alzheimer’s disease include: male sex; low level of education; loneliness, lack of marriage throughout life. In vascular dementia: male sex; age 78—88 years); loneliness, lack of marriage throughout life. In dementia of mixed type: the aged age of 78—88 years. The factors of suicide anti-risk in dementia caused by Alzheimer’s disease: female sex; higher education; stay in marriage. In vascular dementia: stay with a spouse in marriage and joint residence. In mixed dementia: younger age 40—55 years old and 67—77 years.

In the process of the research the clinico-anamnestic factors of suicidal risk in patients with diff erent types of demen tia were defi ned: In dementia caused by Alzheimer’s disease: heterogeneity of the coexistent somatic disorders in the form of the diabetes, COPD, osteoarthritis deforming; traumatic events (craniocerebral traumas, fractures of the body and limb bones) and chronic alcoholism within the medical history; suicidal attempts in the pas; suicidal history and alcoholism in the family. In vascular dementia: coexistence with cardiac disorders; traumatic events throughout life: craniocerebral traumas; surgery; suicidal attempts. In mixed dementia: coexistence with diabetes; traumatic events (craniocerebral traumas, suicidal attempts) throughout life; acute cerebrovascular haemorrhagic disorders within the medical history; hereditary cognitive disorders load.