A federal health agency has a set of guidelines for evaluating implant recipients . Harvard University says : More than 20 % of implant recipients were n't good candidates . Among those patients , the risk of dying in the hospital was significantly higher . They were in a period where they were more prone to complications , '' Al-Khatib said . This will have ` ` major implications , '' the president of a cardiologists ' group says .
A federal health agency has a set of guidelines for evaluating implant recipients . Harvard University says : More than 20 % of implant recipients were n't good candidates . Among those patients , the risk of dying in the hospital was significantly higher . This will have ` ` major implications , '' the president of a cardiologists ' group says .