Brazilian Journal of Cardiovascular Surgery Brazilian Journal of Cardiovascular Surgery, Volume: 33, Issue: 3, Pages: 265-270, Published: JUN 2018 Brazilian Journal of Cardiovascular Surgery v.33 n.3 2018 Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV) instacron:SBCCV Brazilian Journal of Cardiovascular Surgery, Vol 33, Iss 3, Pp 265-270