ABC | Volume 111, Nº2, Agosto 2018

Artigo Original Marino et al Cintilografia 123 I-MIBG na Insuficiência Cardíaca Arq Bras Cardiol. 2018; 111(2):182-190 Aprovação ética e consentimento informado Este estudo foi aprovado pelo Comitê de Ética da Universidade Federal de Minas Gerais - Comitê de ética em Pesquisa (COEP) sob o número de protocolo ETIC 0116.0.203.000-11. Todos os procedimentos envolvidos nesse estudo estão de acordo com a Declaração de Helsinki de 1975, atualizada em 2013. O consentimento informado foi obtido de todos os participantes incluídos no estudo. 1. Roger VL. Epidemiology of heart failure. Circ Res. 2013;113(6):646-59. 2. BocchiEA.HeartfailureinSouthAmerica.CurrCardiolRev.2013;9(2):147-56. 3. Freitas HF, Chizzola PR, Paes AT, Lima AC, Mansur AJ. Risk stratification in a Brazilian hospital-based cohort of 1220 outpatients with heart failure: role of Chagas’ heart disease. Int J Cardiol. 2005;102(2):239-47. 4. Bestetti RB, Muccillo G. 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