The Time is Upon Us-The Beginning of the End of Donor Heart Reanimation In Donation After Circulatory Death

Aaron M Williams1, Swaroop Bommareddi1, Kevin C McGann1

  • 1Department of Cardiac Surgery, Vanderbilt University Medical Center, Nashville, TN.

Insights

Donation after circulatory death (DCD) heart transplantation is evolving. Non-reanimation preservation strategies show promising outcomes, challenging the necessity of donor heart reanimation for successful transplantation.

Area of Science:

  • Cardiology
  • Transplantation Medicine
  • Surgical Innovation

Background:

  • Donation after circulatory death (DCD) heart transplantation is expanding the donor pool.
  • Historically, donor heart reanimation was essential for assessing viability after warm ischemic injury.
  • Current reanimation techniques (TA-NRP, DPP) face challenges like cost, complexity, and ethical concerns.

Purpose of the Study:

  • To evaluate the efficacy of non-reanimation-based preservation strategies in DCD heart transplantation.
  • To challenge the traditional paradigm requiring donor heart reanimation.
  • To explore the potential of new methods to overcome barriers in DCD heart transplantation.

Main Methods:

  • Review of recent advances in non-reanimation preservation: hypothermic oxygenated machine perfusion (HOPE) and rapid recovery with extended ultra-oxygenated preservation (REUP).
  • Analysis of early clinical outcomes from these novel platforms.
  • Comparison with traditional reanimation-based techniques.

Main Results:

  • Non-reanimation strategies (HOPE, REUP) demonstrate excellent short-term outcomes.
  • No donor discard reported with these new methods.
  • Successful transplantation across extended ischemic times and diverse profiles without pre-implant assessment.

Conclusions:

  • Non-reanimation strategies offer a less costly, more scalable, and ethically favorable alternative to donor heart reanimation.
  • These approaches are particularly impactful for pediatric DCD heart transplantation, overcoming historical barriers.
  • Donor heart reanimation may no longer be considered best practice in heart transplantation.