For hundreds of years, the death of an individual has been identified with the permanent cessation of breathing and cardiac activity. The first clinical definition of brain death, described as coma, dates to 1959, when Mollaret and Goulon reported a personal experience of 23 patients in deep coma, a reactive without brainstem function and subjected to artificial ventilation [1]. After the first cardiac transplant performed by Christian Barnard in 1967, the culture of organ donation began to be p…