  Kidney exchange programs have been developed to find compatible kidneys for
recipients who have incompatible donors. On the other hand, patients who do not
have a living donor depend upon deceased donor (DD) donations to get a kidney
transplant. Currently, in India a deceased donor donates kidneys directly to a
deceased donor wait-list. The idea of initiating an exchange chain starting
from a deceased donor kidney is proposed in a few articles (and recently
executed in Italy), but no mathematical formulation has been given for this
merger. We have introduced an integer programming formulation that creates
deceased donor initiated chains, considering both paired exchange registry and
deceased donor allocations simultaneously. There is a possibility of overlap
between paired exchange registry and deceased donor wait-list registry data as
recipients can register for both registries independently. This has also been
addressed in the paper. A long term simulation study is done to analyze the
gain of these DD initiated chains over time. It suggests that even with small
numbers of deceased donors, these chains can increases the number of potential
transplants significantly. Also, waiting time and dropout rates in the merged
registry decreases substantially.
