An early investigation of outcomes with the new 2018 donor heart allocation system in the United States

See Related Editorial, page 5 See Related Editorial, page 5 Since 2005, the United States donor heart allocation system assigned patients awaiting transplantation with measurably distinct outcomes into a single high urgency priority status. In this old system, patients in cardiogenic shock as well as ambulatory stable patients with complications of a left ventricular assist device (LVAD) were allocated to a similar status of highest urgency...