• Can J Anaesth · May 2021

    Heart donation and transplantation after circulatory determination of death: expert guidance from a Canadian consensus building process.

    • Sam D Shemie, Sylvia Torrance, Lindsay Wilson, Laura Hornby, Janet MacLean, Jim Mohr, Clay Gillrie, Mitesh V Badiwala, Andrew Baker, Darren H Freed, Christy Simpson, Jeanne Teitelbaum, Diana Brodrecht, and Andrew Healey.
    • Division of Critical Care, Montreal Children's Hospital, McGill University, Montreal, QC, Canada. sam.shemie@mcgill.ca.
    • Can J Anaesth. 2021 May 1; 68 (5): 661-671.

    AbstractControlled donation after circulatory determination of death (DCD), where death is determined after cardiac arrest, has been responsible for the largest quantitative increase in Canadian organ donation and transplants, but not for heart transplants. Innovative international advances in DCD heart transplantation include direct procurement and perfusion (DPP) and normothermic regional perfusion (NRP). After death is determined, DPP involves removal and reanimation of the arrested heart on an ex situ organ perfusion system. Normothermic regional perfusion involves surgically interrupting (ligating the aortic arch vessels) brain blood flow after death determination, followed by restarting the heart and circulation in situ using extracorporeal membrane oxygenation. The objectives of this Canadian consensus building process by a multidisciplinary group of Canadian stakeholders were to review current evidence and international DCD heart experience, comparatively evaluate international protocols with existing Canadian medical, legal, and ethical practices, and to discuss implementation barriers. Review of current evidence and international experience of DCD heart donation (DPP and NRP) determined that DCD heart donation could be used to provide opportunities for more heart transplants in Canada, saving additional lives. Although candid discussion identified a number of potential barriers and challenges for implementing DCD heart donation in Canada, it was determined that DPP implementation is feasible (pending regulatory approval for the use of an ex situ perfusion device in humans) and in alignment with current medical guidelines for DCD. Nevertheless, further work is required to evaluate the consistency of NRP with current Canadian death determination policy and to ensure the absence of brain perfusion during this process.

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