 METHODS STUDY DESIGN It will be a blinded- controlled-randomized clinical trial in parallel-group, with six months follow-up. The trial protocol will be performed in referral outpatient center that accompany patients with heart failure. This unit is part of the public health system in the city of Salvador - Bahia, the second largest city in Northeast of Brazil. The Brazilian health system is one of the largest public health systems in the world. Ensures full access, universal and free to the entire population of the country. Bolstered by a broader concept of health, the health system was created in 1988 by the Brazilian Federal Constitution, to be the health system of more than 180 million Brazilians. 