Transplantation Journal. 96(7):e55–e56, OCT 2013

DOI: 10.1097/TP.0b013e3182a68879

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PMID: 24100847

Issn Print: 0041-1337

Publication Date: 2013/10/01


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International Kidney Paired Donation

Jacqueline Garonzik-Wang;Brigitte Sullivan;Janet Hiller;Valerie Cass;Jean Tchervenkow;Liane Feldman;Dana Baran;Prosanto Chaudhury;Marcelo Cantarovich;Dorry Segev;Robert Montgomery;

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CASE REPORTWe report a 10-way domino transplant (Fig. 1), which was initiated in September 2009 and concluded in July 2010. The uniqueness of this chain was that it included the international exchange of kidneys between the United States and Canada. The chain was initiated by an altruistic donor and included three hospitals, four flights, one international exchange, and one pediatric recipient. The international donor and recipient procedures were performed at McGill University (Montreal, Quebec, Canada) and Johns Hopkins University (Baltimore, MD). Both organs were transported via chartered international flights with cold ischemia times of less than 6 hr, which included not only procurement and travel time but also time for customs clearance. Donor-related expenses were charged at the institution where donation occurred.Additional arrangements were necessary to account for a newly developed United Network for Organ Sharing (UNOS) policy. UNOS Policy 3.3.7 was implemented shortly before this planned kidney paired donation (KPD). This policy required that all living-donor kidneys be recovered at Organ Procurement and Transplantation Network member centers in the United States (1). We requested a waiver, given the imminent donor procurement date, allowing this KPD to proceed as planned and requested that UNOS revisit this policy, with such international exchanges in mind. To proceed, we were required to provide a detailed list of McGills’ living-donor protocols, along with written proof that we verified that McGill complied with these protocols. Additionally, McGill University agreed to follow the UNOS policy for living-donor follow-up to ensure that the donor care met certain standards. Currently, all recipients are alive with functioning grafts.DISCUSSIONConnolly et al. (2) recently highlighted the advantages of international cooperation and organ sharing in KPD. Successful KPD hinges on a sufficient number of donor–recipient pairs to maximize match rates (3–5). This is especially true for broadly sensitized patients who are searching for rare donor genotypes found in large KPD pools (6). Expansion of KPD practices to include international registries would be the most logical way to increase the donor pool. Currently, active KPD registries exist in many countries including the United States, Canada, the United Kingdom, The Netherlands, Korea, and Spain. KPD sharing between Canada and the United States is logistically tenable due to a shared border, language, and relatively short travel distances. In fact, a chartered flight from Baltimore to Montreal is shorter than many of the current flights for live-donor organ transport in other areas of the United States, which have resulted in prompt allograft function (7). Additionally, the American Society of Transplantation, the American Society of Transplant Surgeons, and the Canadian Society of Transplantation share close collaboration and similar philosophical understandings. It seems logical that the transplant centers in the United States and Canada would benefit by combining KPD pools and allowing more patients to be transplanted. We would suggest re-looking at this UNOS policy with revisions in mind to allow for international exchanges with centers that have regulations and mission to that of UNOS.In 2009, we demonstrated the feasibility of international participation in a KPD chain by performing a 10-way exchange starting with a nondirected donor, which included one Canadian donor–recipient pair. Both donor and recipient operations were performed simultaneously, requiring meticulous planning to minimize cold ischemia time while transporting the organs on international flights. Factoring time for customs clearance was something that had not previously been a part of organ transport logistics.

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