A nondirected donor donates to a recipient of an incompatible pair. Rather than the chain terminating in the donation to a recipient on the deceased donor waitlist, the last donor serves as a bridge, propagating the chain.
From: Veale JL, Capron AM, Nassiri N, et al. Vouchers for future kidney transplants to overcome "chronological incompatibility" between living donors and recipients. Transplantation 2017; 101:2115. DOI:
10.1097/TP.0000000000001744. Copyright © 2017 The Transplantation Society and the International Liver Transplantation Society. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.