Brazilian Journal of Cardiovascular Surgery, Vol 29, Iss 3, Pp 344-349 (2014) Revista Brasileira de Cirurgia Cardiovascular : órgão oficial da Sociedade Brasileira de Cirurgia Cardiovascular Brazilian Journal of Cardiovascular Surgery, Volume: 29, Issue: 3, Pages: 344-349, Published: SEP 2014 Brazilian Journal of Cardiovascular Surgery v.29 n.3 2014 Brazilian Journal of Cardiovascular Surgery Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV) instacron:SBCCV