“…Penetrating cardiac injuries had been considered lethal for centuries, with sporadic clinical observations suggesting possible survival, until in 1896 Rehn demonstrated the feasibility of suturing a heart wound [ 4 ] . Nevertheless, it was Harken who during World War II, compiled an impressive number of 130 soldiers operated on due to cardiac lesions by shrapnel, with no deaths recorded [ 4 ] . In Brazil, the first successful sutures of a cardiac injury were performed by Brauner in 1927, and Zerbini in 1942, who operated on a 6-year-old boy who was hit by metallic shrapnel in the precordium and suffered an injury in the anterior descending coronary artery, marking the first steps of Brazilian heart surgery [ 5 , 6 ] .…”