[Impact on caregivers of elderly patients with dementia treated at a psychogeriatric service].

Objective: There is an increasingly number of demented elderly in Brazil but empirical data on the resulting impact on their informal caregivers is still poorly documented. The purpose of this study was to evaluate the impact on informal caregivers of elderly with dementia.

Methods: A cross-sectional study was conducted at a psychogeriatric unit in the city of Sao Paulo, Brazil.