National organ donation registry celebrates 100th successful transplant November 29, 2011 (OTTAWA, ON) – Canada’s ground-breaking Living Donor Paired Exchange (LDPE) kidney transplant registry has reached another significant milestone with the completion of its 100th successful transplant. The landmark transplant comes less than a year after the last province signed on to make the LDPE Canada’s first truly national organ donation registry. The LDPE – which operates as a partnership between Canadian Blood Services and transplant programs across the country - facilitates living kidney donations