Kidney Allocation and the Aging Immune Response

To the Editor: Organ allocation is a critical component in the success of transplantation. The increasing discrepancy between supply and demand is one of the most important problems in renal transplantation. Despite intensive efforts, donation rates have not increased recently. Moreover, demographics have changed, and the numbers of older recipients and donors show the highest proportional increase.1 The mainstay of the existing kidney-allocation policy for deceased donors has been the assignment of priority for waiting time, in addition to HLA matching and geographic aspects. The new proposal for kidney allocation calls for the assignment of 20% of available organs that . . .