[Treatment of hypertension may affect the incidence of dementia?].

High blood pressure is one of the main risk factor for developing dementia in high age. The connection between treatment of hypertension and reduced risk of cognitive impairment has been studied. Clinical trials have shown reduced risk of dementia after hypertension treatment. Efficacy of antihypertensive drugs varies in their impact on the incidence of dementia. Dementia together with higher life expectancy and prevalence of systolic hypertension will be real issue not only for health care in the near future. Primary and secondary prevention of dementia might be affected by hypertension treatment. Recently, it has been studied possible influence of subclinical damage by hypertension.